CLASS 65, GLASS MANUFACTURING |
376 | PROCESSES OF MANUFACTURING FIBERS, FILAMENTS, OR PREFORMS: |
This subclass is indented under the class definition. Processes directed to producing (a) rodlike stock of sufficiently
small diameter, either as (i) continuous filaments of indefinite
length, or (ii) short discrete pieces, or (b) stock material intended
to be used in fiber and filament making.
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377 | . With measuring, controlling, sensing, programming, timing, indicating, or testing: |
This subclass is indented under subclass 376. Processes including measuring, controlling, programming,
sensing, timing, indicating, or testing fibers, filaments, or preforms
during any stage of their manufacture or treatment.
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378 | .. Optical property: |
This subclass is indented under subclass 377. Processes combined with measuring, controlling, programming,
sensing, timing, indicating, or testing the properties of light
or visual characteristics associated with the fibers, filaments, or
preforms during manufacture or treatment thereof.
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379 | .. Fluid pressure: |
This subclass is indented under subclass 377. Processes including measuring, controlling, sensing, programming,
timing, indicating, or testing a force per unit area of fluid associated with
the fibers, filaments, or preforms during manufacture or treatment
thereof.
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380 | .. Molten material level: |
This subclass is indented under subclass 377. Processes directed to measuring, controlling, sensing, programming,
timing, indicating, or testing any height variance of the surface
of a molten pool of glass used during manufacture or treatment of
the fibers, filaments, or preforms.
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381 | .. Winder or puller movement: |
This subclass is indented under subclass 377. Processes directed to measuring, controlling, sensing, programming,
timing, indicating, or testing (a) fiber tautness, (b) rotational
speed, or (c) position of a winder or puller during any stage of
manufacture or treatment of the fibers, filaments, or preforms.
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382 | .. Diameter or coating thickness: |
This subclass is indented under subclass 377. Processes directed to measuring, controlling, sensing, programming,
indicating, or testing a (a) thickness of an applied coating or
(b) diameter of the formed fiber, filament, or preform.
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384 | .. Temperature: |
This subclass is indented under subclass 377. Processes directed to measuring, controlling, sensing, programming,
indicating, or testing a change in sensible heat during any stage
of manufacturing or treating the fibers, filaments, or preforms.
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385 | . Process of manufacturing optical fibers, waveguides, or preforms thereof: |
This subclass is indented under subclass 376. Processes directed to producing (a) fibers having light
transmitting regions, (b) waveguides which transmit radiation (light)
in the visible and near-visible portions of the spectrum, or (c)
stock materials intended to be used in optical fiber or waveguide
making.
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386 | .. Planar waveguides: |
This subclass is indented under subclass 385. Processes wherein the material which transmits light has
a surface that is flat.
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387 | .. Forming lens integral with optical fiber: |
This subclass is indented under subclass 385. Processes directed to producing an optical product having
an optical component which focuses transmitting light waves joined
directly to an optical fiber.
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388 | .. Nonoxygen halide glass (e.g., metal halide, etc.): |
This subclass is indented under subclass 385. Processes wherein a major component of the optical fiber,
waveguide, or preform glass composition is a halide, fluorine, chlorine,
bromine, iodine, or astatine devoid of oxygen.
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389 | .. Nonoxygen chalcogenide glass containing: |
This subclass is indented under subclass 385. Processes wherein a major component of the optical fiber,
waveguide, or preform glass composition is a chalcogen containing
compound (i.e., compounds of sulfur, selenium, or tellurium) devoid
of oxygen.
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390 | .. Scandium (Sc), yttrium (Y), or rare earth doped core or preform (i.e., atomic numbers 21, 39, 57-72): |
This subclass is indented under subclass 385. Processes directed to treating the optical fiber, waveguide,
or preform with property altering constituents consisting of scandium,
yttrium, or rare earth material.
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391 | .. Plasma utilized: |
This subclass is indented under subclass 385. Processes wherein a plasma is used during any stage of manufacturing
or treating the optical fiber, waveguide, or preform.
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392 | .. Laser utilized: |
This subclass is indented under subclass 385. Processes wherein a laser is used during any stage of manufacturing
or treating the optical fiber, waveguide, or preform.
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393 | .. Hollow optical fibers or waveguides: |
This subclass is indented under subclass 385. Processes wherein the optical fiber or waveguide produced
has an empty space or cavity.
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394 | .. Ion implantation: |
This subclass is indented under subclass 385. Processes wherein ion implantation is utilized during any
stage of manufacturing or treating the optical fiber, waveguide,
or fiber preform.
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395 | .. Sol-gel or liquid phase route utilized: |
This subclass is indented under subclass 385. Processes wherein a sol-gel route or liquid phase route
procedure is used during any stage of manufacturing or treating
the optical fiber, waveguide, or preform.
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396 | ... Sonic or ultrasonic energy utilized (e.g., homogenizing, dispersing, etc.): |
This subclass is indented under subclass 395. Processes wherein the vibratory energy used during any stage
of the sol-gel or liquid phase route procedure is sonic or ultrasonic.
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397 | .. Fluorine doping: |
This subclass is indented under subclass 385. Processes wherein the property altering material used to
treat the optical fiber, waveguide, or preform consists of fluorine.
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398 | ... Germanium or boron containing: |
This subclass is indented under subclass 397. Processes wherein the fluorine doped optical fiber, waveguide,
or preform additionally contains germanium or boron.
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399 | .. Incorporating dopant into porous body: |
This subclass is indented under subclass 385. Processes directed to a step of diffusing a small quantity
of material into a porous material used during any stage of manufacturing
the optical fiber, waveguide, or preform.
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400 | .. Ion exchange utilized: |
This subclass is indented under subclass 385. Processes which include a step of exchanging selected ions
of the optical fiber, waveguide, or preform at any stage during
manufacture or treatment.
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401 | .. Extruding: |
This subclass is indented under subclass 385. Processes of forming an optical fiber, waveguide, or preform including a step wherein a positive force or pressure is used to push glass through a die. | |
402 | .. Producing bent, crimped, twisted, textured, or curled optical fibers or waveguides: |
This subclass is indented under subclass 385. Processes wherein the longitudinal axis of the optical fiber
or waveguide follows a curvilinear or multidirectional path (e.g.,
nonlinear, perturbated, etc.).
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403 | .. Producing noncircular optical fibers or waveguides (e.g., particular cross section, etc.): |
This subclass is indented under subclass 385. Processes wherein a cross section of the optical fiber or
waveguide produced is not circular (e.g., elliptical, star, hexagonal,
etc.).
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404 | .. With step of casting or forming nonfiber workpiece (e.g., molding liquid preform, shaping molten glass against a forming surface, etc.): |
This subclass is indented under subclass 385. Processes including a step of molding or casting at least
some portion of the optical fiber, waveguide, preform, or associated
nonfiber workpiece.
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405 | .. Utilizing multiple crucibles or multiple feed streams of molten glass: |
This subclass is indented under subclass 385. Processes wherein molten glass is drawn into a fiber and
a coating layer applied thereto from at least two containers or
feed streams to form a contiguous optical fiber, waveguide, or preform.
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406 | .. Joining or bonding optical fibers, waveguides, or preforms (e.g., coupling, etc.): |
This subclass is indented under subclass 385. Processes which involve assembling at least two individually
distinct optical fibers, waveguides, or preforms directly to each
other.
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407 | ... End to end (i.e., butt end joining): |
This subclass is indented under subclass 406. Processes wherein a terminal end of the optical fiber, waveguide, or preform is connected or fused to a terminal end of another optical fiber, waveguide, or preform. | |
408 | ... Side to side: |
This subclass is indented under subclass 406. Processes wherein the optical fiber, waveguide or preform is connected or fused adjacent to another optical fiber, waveguide, or preform. | |
409 | .... Having plural adjacent fibers or rods sheathed (i.e., bundle) in tube or enclosure: |
This subclass is indented under subclass 408. Processes wherein at least two optical fibers, waveguides, or preforms, parallel to one another, are inserted into or encompassed by an outer elongated hollow sheathing structure (e.g., clad). | |
410 | .... By fusing preformed fibers without attenuating stock material: |
This subclass is indented under subclass 408. Processes wherein at least two of the previously formed optical fibers or waveguides are fused adjacent to one another without prior stretching of the stock material. | |
411 | .... With stretching or drawing: |
This subclass is indented under subclass 408. Processes involving an operation of pulling, lengthening, or attenuating the joined optical fibers, waveguides, or preforms. | |
412 | ... Rod placed inside of tube: |
This subclass is indented under subclass 406. Processes including a step of placing a single solid elongated optical core material inside of a hollow elongated sheathing structure. | |
413 | .. With step of vapor deposition: |
This subclass is indented under subclass 385. Processes wherein the optical fiber, waveguide, or preform
is manufactured or treated depositing a material utilizing a gas,
mist, or smoke.
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414 | ... Forming optical fiber or fiber preform by soot buildup (i.e., vapor axial deposition, VAD): |
This subclass is indented under subclass 413. Processes including a step whereby the vaporized material
is deposited at a starting point or on a starting material and is
tiered or grown in a straight line about which a line or curve is conceived
to revolve.
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415 | .... Forming glass layers with graded or radially varying refractive index: |
This subclass is indented under subclass 414. Processes wherein therefractive index of (a) each layer
of glass formed varies or (b) the preform varies radially outward.
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416 | .... Consolidation in situ (e.g., sintering, etc.): |
This subclass is indented under subclass 414. Processes including a step of densifying the porous preform into a solid rod in place. | |
417 | ... Inside of tube or hollow form by soot buildup: |
This subclass is indented under subclass 413. Processes wherein the vaporized soot material is deposited
onto an inner surface of an elongated hollow structure or cavity.
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418 | .... Elongated material feed means within tube (e.g., reactant feed means placed inside of tube, etc.): |
This subclass is indented under subclass 417. Processes wherein an elongated vapor material delivery means is inserted into the tube to coat the inner surface of said tube. | |
419 | .... With step of collapsing tube: |
This subclass is indented under subclass 417. Processes including a step of reducing or shrinking the tube. | |
420 | .... Maintaining isotropic conditions inside of tube: |
This subclass is indented under subclass 417. Processes wherein an environment is sustained that causes the vaporized material to be deposited evenly on the inner surface of the tube. | |
421 | ... Outside of tube or rod by soot buildup: |
This subclass is indented under subclass 413. Processes wherein the vaporized soot material is deposited
generally perpendicular to the outermost surface of a rod or tube.
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422 | .... With dehydration (e.g., OH removal, etc.): |
This subclass is indented under subclass 421. Processes wherein moisture or hydroxyl radicles are eliminated.
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423 | ... Inorganic carbon, metal oxide, or inorganic nitrogen containing material deposited (e.g., elemental carbon, carbides, nitrides, etc.): |
This subclass is indented under subclass 413. Processes wherein the vaporized material deposited contains
inorganic carbon, metal oxides, or inorganic nitrogen.
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424 | .. Inert, nonoxidizing, or reducing environment: |
This subclass is indented under subclass 385. Processes wherein the reactive conditions or atmosphere (a) is inactive, (b) does not support oxidation, or (c) does support reduction. | |
425 | .. Electromagnetic, magnetic, wave, or particulate energy utilized: |
This subclass is indented under subclass 385. Processes wherein electrical, magnetic, particulate, or
electromagnetic wave energy is used during any stage of manufacturing
or treating the optical fiber, waveguide, or preform.
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426 | .. Drying, dehydration, OH removal or prevention: |
This subclass is indented under subclass 385. Processes wherein moisture or hydroxyl radicles are eliminated
or prevented from forming on the optical fiber, waveguide, or preform.
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427 | .. Consolidating preform (e.g., sintering, etc.): |
This subclass is indented under subclass 385. Processes wherein a porous preform is densified.
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428 | ... Collapsing tube: |
This subclass is indented under subclass 427. Processes including a step causing an innermost surface of a tube to cave in upon itself. | |
429 | .. With etching or leaching: |
This subclass is indented under subclass 385. Processes wherein a chemical reagent is used to remove only
a portion or constituent of the optical fiber, waveguide, preform,
or coating thereon.
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430 | .. With significant coating step: |
This subclass is indented under subclass 385. Processes including a recitation of a specific step used
to apply a coating to the optical fiber, waveguide, or preform.
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431 | ... Free metal or metal alloy containing coating: |
This subclass is indented under subclass 430. Processes wherein the applied cladding or coating material is or contains an elemental metal or metal alloy. | |
432 | ... Synthetic or natural resin containing coating: |
This subclass is indented under subclass 430. Processes wherein the applied coating material is a natural
or synthetic resin.
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433 | .. With cutting or severing: |
This subclass is indented under subclass 385. Processes wherein the optical fiber, waveguide, or preform
forming operation is combined with a process step of breaking, cutting,
or severing.
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434 | .. With quench cooling (e.g., forced air or cryogenic immersion, etc.): |
This subclass is indented under subclass 385. Processes combined with a step of rapidly lowering the temperature of the optical fiber, waveguide, or preform. | |
435 | .. With fiber stretching, drawing, or pulling (e.g., from rod, etc.): |
This subclass is indented under subclass 385. Processes including a step of elongating the optical fiber, waveguide, or preform by imposing a strain or tension thereto. | |
436 | . Plasma utilized: |
This subclass is indented under subclass 376. Processes wherein plasma is used during any stage of manufacturing
or treating the glass fiber, filament, or fiber preform.
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437 | . Producing noncircular fibers (e.g., particular cross section, flat, elliptical, etc.): |
This subclass is indented under subclass 376. Processes wherein the cross section of the glass fiber or filament produced is not circular. | |
438 | . Producing crimped, twisted, or curled fibers (e.g., textured, etc.): |
This subclass is indented under subclass 376. Processes wherein the longitudinal axis of the glass fiber or filament follows a curvilinear or multidirectional path (e.g., nonlinear, perturbated, etc.). | |
439 | . Producing hollow fibers or tubular preforms: |
This subclass is indented under subclass 376. Processes wherein the glass fiber or tubular preform produced has a hollow core or an empty cavity. | |
440 | . Sol-gel route or ion exchange utilized: |
This subclass is indented under subclass 376. Processes wherein (a) a sol-gel route or (b) an exchanging
of selected ions is used during any stage of manufacturing or treating
the glass fiber, filament or preform.
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441 | . Electromagnetic, magnetic, wave, or particulate energy utilized: |
This subclass is indented under subclass 376. Processes involving the use of electrical, magnetic, particulate,
or electromagnetic wave energy during any stage of forming or treating the
glass fiber, filament, or preform.
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442 | . Composite fiber matrix (e.g., carbon or metal fiber with glass matrix or vice versa, etc.): |
This subclass is indented under subclass 376. Processes including a step of surrounding or encasing the fiber or filament by a different material (e.g., binder, etc.). | |
443 | . With coating (e.g., lubricant, sizing, etc.): |
This subclass is indented under subclass 376. Processes including a step of applying a coating material
to the fibers, filaments, or preforms which clings thereto.
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444 | .. Glass (i.e., nonoptical fiber, metal oxide): |
This subclass is indented under subclass 443. Processes wherein the coating material for the glass fibers,
filaments, or fiber preforms is itself a glass composition.
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445 | .. Free metal or alloy containing: |
This subclass is indented under subclass 443. Processes wherein the coating material contains elemental metal or metal alloy. | |
446 | ... Vapor deposition of free metal or free metal containing material: |
This subclass is indented under subclass 445. Processes wherein the free metal or metal alloy containing material is deposited from a gas, mist, or smoke. | |
447 | .. Synthetic resin, natural resin, or asphalt coating: |
This subclass is indented under subclass 443. Processes wherein the coating material comprises a natural or synthetic resin, rubber, asphalt, or a bitumen. | |
448 | ... Organic silicon containing (e.g., coupling agent, etc.): |
This subclass is indented under subclass 447. Processes wherein the coating material includes an organic
silicon material.
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449 | ... Asphalt: |
This subclass is indented under subclass 447. Processes wherein the coating material includes bitumen or asphalt. | |
450 | ... Thermosetting or thermoplastic resin: |
This subclass is indented under subclass 447. Processes wherein the coating material includes a thermosetting or thermoplastic resin. | |
451 | .... Nitrogen or phenol containing: |
This subclass is indented under subclass 450. Processes wherein the thermosetting or thermoplastic coating material contains nitrogen or phenol. | |
452 | .. With severing: |
This subclass is indented under subclass 443. Processes including a step of dividing the coated fibers,
filaments, or preforms by a severing operation (e.g., cutting, breaking,
etc.).
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453 | .. With advancing, gathering, or winding continuous fiber or filament: |
This subclass is indented under subclass 443. Processes including a step of moving forward, collecting,
or convolving the coated continuous fibers or filaments.
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454 | . Formation of fiber or preform utilizing fluid blast (e.g., from molten glass, etc.): |
This subclass is indented under subclass 376. Processes wherein a forcible stream of an extraneous fluid
is directed against (a) a molten glass stream, or (b) a rod or filament
in a plastic state to subdivide the stream rod or filament into
discrete fibers or fiber preforms.
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455 | .. During slinging or rotary-centrifugal fiber distribution: |
This subclass is indented under subclass 454. Processes including a step of (a) throwing or flinging the
newly formed discrete fibers or (b) forming the discrete fibers
by projecting them from a rotating source.
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456 | ... Depositing molten glass on periphery of rotating fiberizing means (e.g., disc, rotor, wheel, etc.): |
This subclass is indented under subclass 455. Processes including a step of depositing molten glass on an outermost edge of a rotating disc or wheel. | |
457 | ... Specified composition of slinger or rotary-centrifugal fiber distributor: |
This subclass is indented under subclass 455. Processes wherein the material comprising the slinger or rotary-centrifugal fiber distributor is identified. | |
458 | ... Fluid blast guide, baffle, or deflector: |
This subclass is indented under subclass 455. Processes combined with means to turn, divert, or redirect the fluid blast path. | |
459 | ... Centrifuge with fiberizing holes: |
This subclass is indented under subclass 455. Processes wherein the rotary-centrifugal fiber distributor is a centrifuge having fiber forming holes. | |
460 | .... Adjacent combustion chamber, burner, or blower utilized: |
This subclass is indented under subclass 459. Processes including use of a combustion chamber, blower, or burner adjacent to the centrifuge. | |
461 | ..... Having at least two concentric burners or blowers: |
This subclass is indented under subclass 460. Processes wherein more than one burner or blower sharing a common center is used. | |
462 | .. Solid fibers comminuted by fluid blast: |
This subclass is indented under subclass 454. Processes which include a step of subjecting a rod or filament while in a plastic condition to the fluid blast to subdivide said filament or rod into discrete solid fibers. | |
463 | .. Specified nozzle opening or configuration (e.g., opening size, cross section, etc.): |
This subclass is indented under subclass 454. Processes which include a recitation identifying a size or geometrical cross section of a nozzle opening. | |
464 | .. Fluid discharge skirt or shield utilized: |
This subclass is indented under subclass 454. Processes wherein a baffle or screen is used to confine, aim, or redirect the fluid blast. | |
465 | .. Attenuation by fluid blast contacting glass: |
This subclass is indented under subclass 454. Processes wherein the fluid blast is used to draw or extend the fiber. | |
466 | ... Plural fluid blasts or jets contacting single glass stream: |
This subclass is indented under subclass 465. Processes wherein more than one fluid blast or fluid jet is directed toward a single glass stream. | |
467 | .... Fluid blast penetrated transversely by jet (e.g., toration, etc.): |
This subclass is indented under subclass 466. Processes wherein the fluid blast, usually of high temperature, is pierced transversely by a fluid jet, usually of high velocity. | |
468 | .. Flame or combustible fluid blast utilized: |
This subclass is indented under subclass 454. Processes wherein the fluid blast used is a flame or the result of combusted flammable material. | |
469 | . By slinging or rotary-centrifugal fiber distribution (i.e., without fluid blast): |
This subclass is indented under subclass 376. Processes wherein the fibers are formed by (a) throwing
or flinging molten glass or (b) subjecting a melt to a rotary projecting
movement.
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470 | .. Centrifuge with fiberizing holes: |
This subclass is indented under subclass 469. Processes wherein the rotary-centrifugal fiber distributor or slinger is a centrifuge with fiber forming holes. | |
471 | . With bushing flood prevention, removal, or breakout prevention: |
This subclass is indented under subclass 376. Processes including a step of (a) removing or avoiding flooding at a bushing opening or (b) avoiding fiber breakout. | |
472 | . With chemical etching or leaching: |
This subclass is indented under subclass 376. Processes wherein a chemical reagent is used to remove a
portion or constituent of the fiber, filament, or fiber preform.
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473 | . With removal of coating (e.g., desizing, oxidizing coating, etc.): |
This subclass is indented under subclass 376. Processes wherein at least a portion of a size, coating,
or clad is removed from the fiber or filament.
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474 | . With purifying or homogenizing molten glass (e.g., removing bubbles, etc.): |
This subclass is indented under subclass 376. Processes including a step of treating molten stock material
by (a) removing foreign or objectionable material or (b) making
a melt uniform in physical characteristics or in composition throughout.
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475 | . With fiber drawing or pulling (e.g., attenuating, etc.): |
This subclass is indented under subclass 376. Processes including an operation of placing a tension on
the forming fiber, filament, or preform.
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476 | .. By modifying fluid pressure (e.g., vacuum, reduced or superatmospheric pressure, etc.): |
This subclass is indented under subclass 475. Processes including a step of changing or varying an existing pressure to perfect the drawing operation. | |
477 | .. Drawing fiber from rod: |
This subclass is indented under subclass 475. Processes wherein the forming fiber or filament is from rod stock. | |
478 | .. Fluid assisted attenuation or directing of fiber or filament: |
This subclass is indented under subclass 475. Processes wherein a fluid is used (a) to assist the stretching or drawing operation or (b) to steer or guide a drawn or stretched fiber or filament. | |
479 | .. Reeling or winding: |
This subclass is indented under subclass 475. Processes including a step of reeling or winding combined
with the drawing or pulling operation.
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480 | .. Cutting or severing: |
This subclass is indented under subclass 475. Processes including a step of dividing the drawn fiber or
filament by a severing or cutting operation.
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481 | .. Cooling of molten glass at forming area (e.g., cooling fins, etc.): |
This subclass is indented under subclass 475. Processes which include a step of reducing the temperature of molten glass in an area where the fiber is formed. | |
482 | . With charging or pretreatment of batch material (e.g., gas heating, crushing, etc.): |
This subclass is indented under subclass 376. Processes including the step of (a) feeding raw material or stock to a melting area or (b) treating said raw material or stock prior to melting. | |
483 | FIBER MAKING APPARATUS: |
This subclass is indented under the class definition. Apparatus directed to producing (a) rodlike stock of sufficiently
small diameter, either (i) as continuous filaments of indefinite
length, or (ii) short discrete pieces, or (b) stock material intended
to be used in fiber and filament making.
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484 | . With measuring, controlling, sensing, timing, inspecting, indicating, or testing means: |
This subclass is indented under subclass 483. Apparatus having means (a) for sensing a condition and in
response thereto actuate a signalling, regulating, or indicating
device, (b) for regulating an operation in response to a set of coded
instructions or the sequence of operational steps preformed, (c)
for determining the time an operation occurs or the length of time taken
to perform such operation, (d) for performing a test upon, permitting
observation of, or performing a measuring operation upon the fiber,
filament, or preform thereof.
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485 | .. By optical means or of optical property: |
This subclass is indented under subclass 484. Apparatus having means for measuring, controlling, analyzing,
inspecting, or testing visual characteristics or properties of light
used to produce the fibers, filaments, or preforms.
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486 | .. Winder or puller movement (e.g., drawing sensor, etc.): |
This subclass is indented under subclass 484. Apparatus including means to wind or pull the fiber, filament, or preform. | |
487 | .. Having fiber breakout detection, compensation, or prevention means: |
This subclass is indented under subclass 484. Apparatus provided with means to (a) recognize breaks, (b) adjust or vary tension, or (c) avoid breaks of the fibers, filaments, or preforms thereof. | |
488 | .. Temperature: |
This subclass is indented under subclass 484. Apparatus having means to sense, measure, analyze, indicate,
control, or test a change in sensible heat associated with producing
the fiber, filament, or preform.
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489 | .. Fluid pressure: |
This subclass is indented under subclass 484. Apparatus having means for measuring, controlling, analyzing, indicating, or testing any change in force per unit area associated with producing the fibers, filaments, or preforms. | |
490 | .. Molten glass level (e.g., sensor, check valve, etc.): |
This subclass is indented under subclass 484. Apparatus including the means to measure, control, recognize, indicate, or test any variance in height of a level of the molten glass. | |
491 | .. Diameter or coating thickness: |
This subclass is indented under subclass 484. Apparatus including the means to measure, control, or indicate a diameter or coating thickness of the fiber, filament, or preform. | |
492 | . With designated composition of dies, bushings, or nozzles: |
This subclass is indented under subclass 483. Apparatus wherein the dies, bushings, or nozzle means utilized are comprised of specified material. | |
493 | .. Platinum group metal containing (i.e., ruthenium (Ru), rhodium (Rh), osmium (Os), iridium (Ir), palladium (Pd), platinum (Pt)): |
This subclass is indented under subclass 492. Apparatus wherein the specified composition of the nozzles,
bushings, or dies includes a platinum group metal.
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494 | . With means to form hollow fiber or preform: |
This subclass is indented under subclass 483. Apparatus having means to produce a fiber or preform with an empty core or cavity. | |
495 | . With specified bushing, tip, or feeder structure: |
This subclass is indented under subclass 483. Apparatus wherein the structure of a molten glass feeder, tip, or bushing is defined. | |
496 | .. Tipless: |
This subclass is indented under subclass 495. Apparatus wherein the bushing has no projection tip structure at its opening. | |
497 | .. Noncircular tip opening (e.g., elliptical, polygonal, etc.): |
This subclass is indented under subclass 495. Apparatus wherein the bushing tip opening is not circular.
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498 | .. With cooling means for bushing (e.g., orifice plate cooling, etc.): |
This subclass is indented under subclass 495. Apparatus provided with means to reduce the temperature
of the bushing.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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499 | .. With heating means for bushing: |
This subclass is indented under subclass 495. Apparatus provided with means to increase the temperature of the bushing. | |
500 | . With means to align preform with drawing apparatus or form multifilament fibers (e.g., gathering shoe, etc.): |
This subclass is indented under subclass 483. Apparatus having means to (a) arrange in line a preform and a drawing means or (b) form a fiber made with more than one filament. | |
501 | . With fiber splicing or coupling means (e.g., fusion splicing, end to end, side to side, etc.): |
This subclass is indented under subclass 483. Apparatus including means to join or fuse discrete fibers
or filaments one to another.
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502 | . With multiple crucible or multichamber system: |
This subclass is indented under subclass 483. Apparatus having (a) at least two melting containers or (b) a melting container with at least two chambers. | |
503 | . With cleaning means: |
This subclass is indented under subclass 483. Apparatus provided with means to remove extraneous materials. | |
504 | . With crimping or curling means: |
This subclass is indented under subclass 483. Apparatus including means to bow, warp, or twist the fibers, filaments, or fiber preforms. | |
505 | . With means to distribute fibers across collecting surface (e.g., blower, mechanical distribution means, reciprocating, oscillating, etc.): |
This subclass is indented under subclass 483. Apparatus including a fiber depositing means which moves the fibers in a desired pattern over a collecting surface. | |
506 | . With assorting means: |
This subclass is indented under subclass 483. Apparatus comprising means to separate shots, slugs, beads, etc. from the formed fibers or filaments. | |
507 | . With means for heating newly formed filament, fiber, or preform: |
This subclass is indented under subclass 483. Apparatus having means to raise the temperature of the newly
formed or forming fiber, filament, or preform.
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508 | .. Having means to shape or modify: |
This subclass is indented under subclass 507. Apparatus including means to mold or fashion the newly formed or forming fiber, filament, or preform. | |
509 | .. Electric or electromagnetic heating utilized (e.g., induction heat, etc.): |
This subclass is indented under subclass 507. Apparatus wherein electric or electromagnetic energy is used to create or cause the heat. | |
510 | . With means for cooling newly formed fiber, filament, or preform (e.g., nascent fiber, etc.): |
This subclass is indented under subclass 483. Apparatus including means to lower the temperature of the newly formed or forming fiber, filament, or preform. | |
511 | .. With cooling surfaces or fins: |
This subclass is indented under subclass 510. Apparatus wherein the cooling means are surface areas or fins used to exchange heat. | |
512 | ... Fluid cooling agent circulated: |
This subclass is indented under subclass 511. Apparatus having means to pass a temperature lowering fluid through, around, or over the cooling surface or fins. | |
513 | .. Gas column (e.g., generally upward gas stream, etc.): |
This subclass is indented under subclass 510. Apparatus including means to forcibly cause a slender stream of gas to contact the forming fiber, filament, or preform. | |
514 | .. Liquid stream or spray: |
This subclass is indented under subclass 510. Apparatus including means to atomize or project a cooling liquid. | |
515 | . Specified composition of slinger or rotary-centrifugal fiber forming means: |
This subclass is indented under subclass 483. Apparatus wherein the formulation of material comprising the slinger or centrifugal fiber producing means is stipulated. | |
516 | . Rotary-centrifugal fiber forming means (e.g., slinger, rotary disc, no fiberizing holes, etc.): |
This subclass is indented under subclass 483. Apparatus including means devoid of fiberizing holes which (a) throws or flings into a space or (b) projects by rotary movement the forming fibers. | |
517 | .. Having fluid blast means for contacting glass: |
This subclass is indented under subclass 516. Apparatus including the use of a forcible stream of extraneous fluid to directly contact a molten glass stream. | |
518 | ... With fluid blast guide, baffle, or deflector: |
This subclass is indented under subclass 517. Apparatus including means to turn, divert, or direct the fluid blast path. | |
519 | .. Having means to pass cooling fluid through apparatus: |
This subclass is indented under subclass 483. Apparatus including means to pass a cooling fluid within the apparatus. | |
520 | .. Depositing glass on periphery of rotating fiber forming means (e.g., disc, rotor, wheel, etc.): |
This subclass is indented under subclass 516. Apparatus including means to deposit molten glass on an outermost edge of the rotating member. | |
521 | . Centrifuge with fiberizing holes (e.g., rotor, etc.): |
This subclass is indented under subclass 483. Apparatus wherein the rotary distribution means is a centrifuge having fiber forming apertures. | |
522 | .. Having adjacent combustion chamber, burner, or blower utilized: |
This subclass is indented under subclass 521. Apparatus including use of a combustion chamber, blower, or burner adjacent to the centrifuge. | |
523 | ... With at least two concentric blowers or burners: |
This subclass is indented under subclass 522. Apparatus wherein more than one burner or blower sharing a common center is used. | |
524 | . With fluid blast means: |
This subclass is indented under subclass 483. Apparatus comprising means for forming or attenuating the fiber, filament, or preform by using a fluid blast. | |
525 | .. Having specified nozzle opening size or nozzle cross section: |
This subclass is indented under subclass 524. Apparatus having a fluid blast nozzle size opening or cross section stipulated (e.g., elliptical, flat, etc.). | |
526 | .. Having fluid discharge skirt or deflector: |
This subclass is indented under subclass 524. Apparatus comprising means to turn, divert, or direct the fluid blast path. | |
527 | ... Toration means utilized: |
This subclass is indented under subclass 526. Apparatus comprising means which directs a gaseous jet transversely into the gaseous fluid blast thereby attenuating the delivered fiber material. | |
528 | .. Combustion or flame attenuation: |
This subclass is indented under subclass 524. Apparatus including means wherein a flame or combustion product discharged from a burner is used to attenuate the fibers or filaments. | |
529 | . Having coating or treating means: |
This subclass is indented under subclass 483. Apparatus combined with means for treating or applying a
coating material to a fiber, filament, or preform.
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530 | .. Having gas feeding or withdrawal means: |
This subclass is indented under subclass 529. Apparatus comprising a means for (a) directing a gas to or (b) removing a gas from an area surrounding the fiber, filament, or fiber preform. | |
531 | ... Having soot forming flame hydrolysis burner (e.g., flame oxidation, etc.): |
This subclass is indented under subclass 530. Apparatus comprising means for forming soot (i.e., coating material) by using a hydrolyzing flame burner. | |
532 | ... With means for recovery, recirculation, or elimination of excess gas feed or coating material: |
This subclass is indented under subclass 530. Apparatus comprising means for returning, reusing, or destroying excess gas feed or coating material. | |
533 | . With drawing means: |
This subclass is indented under subclass 483. Apparatus including means for imposing a predetermined strain or tension on the fiber, filament, or preform. | |
534 | .. Movable furnace or bushing (e.g., rotatable, reciprocating, etc.): |
This subclass is indented under subclass 533. Apparatus including a mounting means which enables a furnace or bushing to be mobile. | |
535 | .. Pulling wheels or rolls: |
This subclass is indented under subclass 533. Apparatus wherein the drawing means consists of a wheel or roll. | |
536 | ... With severing: |
This subclass is indented under subclass 535. Apparatus including means to divide a fiber, filament, or
fiber preform by a severing operation (e.g., cutting, breaking,
etc.).
SEE OR SEARCH THIS CLASS, SUBCLASS:
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537 | .. From rod stock: |
This subclass is indented under subclass 533. Apparatus utilizing glass rods as stock material from which the filament or fiber is formed. | |
538 | .. With fluid assisting means: |
This subclass is indented under subclass 533. Apparatus utilizing a fluid to aid the drawing means. | |
539 | . With winding means: |
This subclass is indented under subclass 483. Apparatus having means to convolve the filament or fiber.
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540 | . With furnace charging means: |
This subclass is indented under subclass 483. Apparatus including means to feed raw materials to a melting furnace. | |
17.1 | PROCESSES: |
This subclass is indented under the class definition. Processes of working or treating glass.
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17.2 | . Sol-gel or liquid phase route utilized: |
This subclass is indented under subclass 17.1. Processes wherein a sol-gel route or liquid phase route
procedure is used during any stage of working or treating glass.
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17.3 | . With shaping of particulate material and subsequent fusing of particles: |
This subclass is indented under subclass 17.1. Processes combined with a step of associating a mass of
individual discrete particulate material and shaping said mass and
either during or subsequent to the shaping operation, heating the
material to effect fusing of the particles one to another.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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17.4 | .. Including flame or gas contact: |
This subclass is indented under subclass 17.3. Processes in which the particulate material is formed in a flame or particulate or fused material is contacted by a flame or gas to effect treatment thereof. | |
17.5 | .. Employing nonoxide additive: |
This subclass is indented under subclass 17.3. Processes in which a nonoxide material which is generally not an ingredient of a glass composition is incorporated with the particulate material prior to fusing. | |
17.6 | .. With treatment subsequent to fusing: |
This subclass is indented under subclass 17.3. Processes including an additional step of treating the fused
glass particles (e.g., shaping, heat treatment, coating, etc.).
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19 | . Slag, utilization: |
This subclass is indented under subclass 17.1. Processes directed to working and/or treating of
slag usually formed by corrosion or fluxing of refractories, or
formed as a by-product in metallurgical processes.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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20 | .. Foaming of slag: |
This subclass is indented under subclass 19. Processes which include the step of contacting molten slag
with a gaseous material thereby forming voids in the slag.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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21.1 | . Self-supporting particle making (e.g., bead, ball, granule, etc.): |
This subclass is indented under subclass 17.1. Processes for a process directed to forming individually
distinct separate particulate material, particles of which are self-supporting
at least in one stage of manufacture.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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21.2 | .. By molten glass comminuting: |
This subclass is indented under subclass 21.1. Processes wherein glass in molten state is comminuted to
form discrete particles and is solidified in its comminuted form.
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21.3 | .. Spheroidizing or rounding of solid glass particles: |
This subclass is indented under subclass 21.1. Processes directed to the reshaping of solid, irregular,
or nonspherical particulate glass material wherein said irregularities
are diminished or the particles are caused to become more spherical
or rounded in shape without loss of material therefrom and by means
other than use of a mold or shaping surface therefor and in which
the individual and separate identities of the particles is maintained.
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21.4 | .. Hollow or porous particle: |
This subclass is indented under subclass 21.1. Processes including the step of forming hollow spheres or forming pores or voids in particulate material. | |
21.5 | .. With mechanical shaping or subdividing: |
This subclass is indented under subclass 21.1. Processes including mechanical shaping of molten glass into
desired particulate form.
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22 | . With pore forming in situ: |
This subclass is indented under subclass 17.1. Processes combined with the step of forming pores or open
cells in situ within a glass composition by a gas forming agent
during or subsequent to the formation of a glass product.
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23 | . With destruction or delamination of transitory attached or associated separate material: |
This subclass is indented under subclass 17.1. Processes which include the step of either (1) adhesively
adhering a separate part or material, or (2) associating a destructible
separate part or material with a glass part, then performing a glass
working or treating operation, and subsequently discarding the separate
part or material by either (1) stripping the part or material from the
glass part, or (2) destroying the separate part or material.
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24 | . Utilizing parting or lubricating layer: |
This subclass is indented under subclass 17.1. Processes which include the step of applying to the glass
or the apparatus a separate and distinct layer which functions to
either (1) lubricate the glass apparatus, or (2) prevent adhesion
during a glass working or treating operation of the glass to another
glass or to the apparatus.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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25.1 | .. Providing a gaseous layer between glass and apparatus: |
This subclass is indented under subclass 24. Processes in which the parting or lubricating layer is a
gaseous fluid between the glass and the apparatus.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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25.2 | ... Sheet: |
This subclass is indented under subclass 25.1. Processes in which the glass is in sheet form. | |
25.3 | .... Formed from molten glass: |
This subclass is indented under subclass 25.2. Processes which include the step of forming a glass sheet from a molten glass composition. | |
25.4 | .... Reshaping: |
This subclass is indented under subclass 25.2. Processes which include the step of reshaping a glass sheet. | |
26 | .. Coating of apparatus: |
This subclass is indented under subclass 24. Processes directed to applying the parting or lubricating
layer on a glass working or treating apparatus by a coating operation.
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27 | . Repairing or cleaning of apparatus; or batch dust prevention or control: |
This subclass is indented under subclass 17.1. Processes which include (1) the step of repairing of the
apparatus; and/or (2) the cleaning of the apparatus; and/or
(3) the step of preventing the formation of dust from a glass batch
or controlling batch dust.
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28 | . With glass reclaiming, repairing or crack run interruption: |
This subclass is indented under subclass 17.1. Processes including the step of (1) using surplus or discarded
material from a glass working or treating operation in a process
of glass manufacture; or (2) mending otherwise unusable parts or
material by a glass working operation for reuse; or (3) preventing
spreading of checks or cracks in a glass part during the formation
of the glass part.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
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29.1 | . With program, time, or cyclic control: |
This subclass is indented under subclass 17.1. Processes including the use of a (a) clocked, (b) set of coded instructions, or (c) sequentially repeated operation during any stage of forming or treating the glass. | |
29.11 | .. Electric computer or data processing system utilized: |
This subclass is indented under subclass 29.1. Processes including the use of a data processor or an electrical
computer during any stage of forming or treating the glass.
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29.12 | . With measuring, sensing, inspecting, indicating, or testing: |
This subclass is indented under subclass 17.1. Processes including a step of visually, chemically, or physically
determining or evaluating some chemical or physical property or
characteristic of glass.
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29.13 | .. Combustion chamber atmosphere: |
This subclass is indented under subclass 29.12. Processes wherein the environment inside a combustion chamber
is measured, analyzed, tested, inspected, or controlled.
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29.14 | .. Diameter, width, or thickness of formed article: |
This subclass is indented under subclass 29.12. Processes directed to measuring, analyzing, testing, inspecting, or controlling the diameter, width, or thickness of a formed article. | |
29.15 | .. Fluid pressure: |
This subclass is indented under subclass 29.12. Processes directed to measuring, analyzing, testing, inspecting,
or controlling any associated fluid pressure during the manufacture
or the treatment of glass.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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29.16 | .. Batch or feed material: |
This subclass is indented under subclass 29.12. Processes directed to measuring, testing, analyzing, inspecting,
or controlling raw material or stock feed used to form the glass
(e.g., article or preform, etc.).
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29.17 | .. Level or flow of molten material: |
This subclass is indented under subclass 29.12. Processes directed to measuring, analyzing, testing, inspecting, or controlling the elevation, viscosity, or flow rate of the melt or molten material. | |
29.18 | .. Magnetic, electromagnetic, or wave energy utilized (e.g., light, infrared, ultrasonic, etc.): |
This subclass is indented under subclass 29.12. Processes combined with the use of magnetic, electromagnetic
radiation, wave, sonic, or ultrasonic energy during any stage of
forming or treating the glass.
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29.19 | .. Temperature: |
This subclass is indented under subclass 29.12. Processes directed to measuring, controlling, inspecting,
analyzing, or testing a change in sensible heat during any stage
of forming or treating the glass.
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29.21 | ... Of molten glass: |
This subclass is indented under subclass 29.19. Processes wherein the glass is in a softened or molten state. | |
30.1 | . With chemically reactive treatment of glass preform: |
This subclass is indented under subclass 17.1. Processes combined with a treatment of a glass preform by
a material which chemically reacts therewith.
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30.11 | .. To enhance the ability to darken or change color in response to radiation exposure (e.g., photochromic): |
This subclass is indented under subclass 30.1. Processes wherein the chemically reactive treatment is for
the purpose of enhancing the photochromic property of the glass
or to render the glass photochromic.
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30.12 | .. To hydrate the glass: |
This subclass is indented under subclass 30.1. Processes which comprise the incorporation of water in the glass. | |
30.13 | .. With metal ion penetrating into glass (i.e., ion exchange): |
This subclass is indented under subclass 30.1. Processes including the step of exchanging selected metal
ions of the outer layers of the glass for other ions.
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30.14 | ... To temper or strengthen the glass: |
This subclass is indented under subclass 30.13. Processes wherein the ion exchange process is for the purpose
of altering the temper or strength of the glass.
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31 | .. By etching or leaching: |
This subclass is indented under subclass 30. Processes in which the chemical treatment includes use of
a chemical reagent to remove a portion or constituent of the glass.
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32.1 | . Operating under inert or reducing conditions: |
This subclass is indented under subclass 17.1. Processes including an operation carried under controlled
conditions which provide an inert or reducing area therefore to
prevent oxidation or to cause chemical reduction.
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32.2 | .. With bonding or sealing: |
This subclass is indented under subclass 32.1. Processes including a step of bonding glass to another material
or part or sealing a glass material or part to or into another material
or part.
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| |||||
32.3 | .. With crystallization or photochromism or phase separation: |
This subclass is indented under subclass 32.1. Processes which comprises: (a) partial or complete crystallization of a glass composition; (b) a color change occurring response to radiation impinging on glass; or (c) separation of phases of a glass composition. | |
32.4 | .. With coating: |
This subclass is indented under subclass 32.1. Processes comprising a coating step.
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32.5 | .. With forming glass from molten state with treatment of molten glass, or with drawing of glass in softened state: |
This subclass is indented under subclass 32.1. Processes comprising shaping or treating glass which has been melted or draw glass which is in a softened but not melted state. | |
33.1 | . Devitrifying glass or vitrifying crystalline glass (e.g., starting with or forming crystalline glass, etc.): |
This subclass is indented under subclass 17.1. Processes which include the step of converting glass (a)
from a vitreous state to a crystalline state, or (b) from a crystalline
state to a vitreous state.
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33.2 | .. Electromagnetic radiation or resulting heat utilized (e.g., gamma rays, X-rays, atomic particles, UV, visible, IR, actinic, laser, microwave or radio wave, etc.): |
This subclass is indented under subclass 33.1. Processes wherein during any stage of an operation electromagnetic
radiation or resulting heat of radiation is used.
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33.3 | .. Halogen containing phase (e.g., crystalline or noncrystalline, etc.): |
This subclass is indented under subclass 33.1. Processes wherein the composition of the glass includes
halogen material during some phase of the vitrifying or devitrifying
operation.
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33.4 | .. With coating: |
This subclass is indented under subclass 33.1. Processes wherein a coating which may be vitrified or devitrified
is applied to a substrate which may be vitrified or devitrified
glass.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
33.5 | .. With fusion bonding glass to a formed part (e.g., devitrified seals, glass to metal, etc.): |
This subclass is indented under subclass 33.1. Processes directed to fusion bonding of a glass part to
another part of the same or different preform by adherence or coherence
at the interface of the parts, wherein at least one of the parts
is self-supporting prior to the bonding operation.
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33.6 | ... Glass applied in powdered form (i.e., frit): |
This subclass is indented under subclass 33.5. Processes wherein the glass used to form the bond is in the form of small particles or dust. | |
33.7 | .. Alumino-silicate containing phase: |
This subclass is indented under subclass 33.1. Processes wherein an inorganic aluminum-silicon material is present in the composition of the glass during some phase of the vitrifying or devitrifying operation. | |
33.8 | ... Containing at least 3 percent lithium or lithium oxide (e.g., spodumene, eucryptite, petalite, etc.): |
This subclass is indented under subclass 33.7. Processes wherein the aluminum-silicon material also contains
at least 3 percent lithium or lithium oxide.
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33.9 | .. Forming product or preform from molten glass: |
This subclass is indented under subclass 33.1. Processes wherein a vitrified or devitrified glass product or preform produced is formed directly from molten glass. | |
34 | . With sealing off of gas evacuating opening: |
This subclass is indented under subclass 17.1. Processes which include the step of closing an opening of
a glass receptacle, which opening was used to exhaust a gas from
the receptacle.
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35 | . With vibrating, oscillating or agitating a preform: |
This subclass is indented under subclass 17.1. Processes which include the step of moving a glass preform
up and down or to and fro or a combination of such motions.
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36 | . Fusion bonding of glass to a formed part: |
This subclass is indented under subclass 17.1. Processes directed to fusion bonding of a glass part to
another part of the same or different preform by adherence or coherence
at the interface of the parts at least one of the parts being self-supporting
prior to the bonding operation.
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37 | .. Lens making: |
This subclass is indented under subclass 36. Processes directed to the formation of an optical lens by
a bonding operation.
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38 | ... With bonding of at least three formed parts: |
This subclass is indented under subclass 37. Processes which include the step of bonding at least three
preformed parts to each other in the fabrication of a lens.
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39 | ... With molding or reshaping of glass to assume shape of configured lens part during bonding: |
This subclass is indented under subclass 37. Processes which include the step of (1) shaping, during
bonding, of molten glass to assume the shape of a configured glass
lens part; and/or (2) reshaping during bonding of a separate
preformed glass part to assume the shape of a configured glass lens
part.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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40 | .. Dielectric or joule effect heating of work: |
This subclass is indented under subclass 36. Processes which include the step of heating of the work
by (1) subjecting the work to a changing electric field thereby
transforming the electric energy into heat due to the resistance
of the work to passage of current therethrough, or (2) passage of
an electric current directly through the work which constitutes
a part of an electrical circuit.
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41 | .. With annealing or tempering of glass: |
This subclass is indented under subclass 36. Processes which include the step of (1) annealing, or (2) tempering glass. | |
42 | .. Bonding of subassembly with subsequent assembly and bonding (formed parts only): |
This subclass is indented under subclass 36. Processes directed to fusion bonding of at least two self-supporting
parts and thereafter bringing together in a separate operation an
additional self-supporting part with the bonded subassembly and
then bonding the additional part to the subassembly.
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43 | .. By or with coating at joint interface of a formed part prior to bonding: |
This subclass is indented under subclass 36. Processes directed to coating of the adherent face of at
least one part prior to the bonding operation.
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44 | .. With embossing or corrugating: |
This subclass is indented under subclass 36. Processes directed to (1) altering the surface configuration
only of the work by raising bosses or protuberances thereon or causing
surface portions to be depressed below the plane surface of the
work, or (2) forming or shaping the work into alternate ridges and
grooves in wavelike shape.
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45 | .. With glass part forming from shapeless molten glass: |
This subclass is indented under subclass 36. Processes combined with a step of fabricating a glass part
from glass while in the molten or soft state by a molding or casting
operation.
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46 | ... With blowing to shape glass: |
This subclass is indented under subclass 45. Processes which include the step of applying gas pressure
to shape the glass.
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47 | ... In mold cavity: |
This subclass is indented under subclass 45. Processes wherein the fabricating is conducted in a mold
cavity, and see (1) Note of this subclass for the scope of the term "mold
cavity".
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48 | .... And bonding to part in same mold cavity: |
This subclass is indented under subclass 47. Processes wherein the step of bonding is conducted while
the fabricated part remains in the mold cavity.
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49 | ..... Bonding to metal formed part: |
This subclass is indented under subclass 48. Processes in which the part to which the molten glass is
bonded is metal.
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50 | ... Forming and bonding glass sheet to metal part: |
This subclass is indented under subclass 45. Processes directed to forming a sheet from molten glass
and fusion bonding a metal part to the glass prior to, during or
subsequent to formation of the sheet.
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51 | .... Contacting metal with molten glass prior to forming sheet: |
This subclass is indented under subclass 50. Processes directed to associating a metal part with molten glass and then forming a sheet from the molten glass while in contact with the metal part. | |
52 | ..... Forming of plural glass sheets: |
This subclass is indented under subclass 51. Processes which includes the step of forming an additional
glass sheet from molten glass.
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53 | ... Forming plural sheets or sheet-like streams from same source: |
This subclass is indented under subclass 45. Processes which include the step of forming at least two
separate and distinct glass sheets or sheet-like streams from a
single reservoir.
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54 | .. With reshaping glass preform prior to assembly or subsequent to bonding: |
This subclass is indented under subclass 36. Processes combined with the step of reshaping a glass preform
either (1) prior to associating the glass preform with another formed
part, or (2) subsequent to bonding of the glass preform to another
formed part; see the Glossary for the definition of the term "reshaping".
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55 | ... Prior to assembly: |
This subclass is indented under subclass 54. Processes in which the step of reshaping of the glass part occurs prior to associating the glass part with another part. | |
56 | .. With severing, perforating, or breaking of glass: |
This subclass is indented under subclass 36. Processes combined with the step of (1) cutting, or (2)
perforating, or (3) breaking of hard or soft glass; see subclass
112 for the definitions of these terms.
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57 | .. Relative rotation of work and heating means: |
This subclass is indented under subclass 36. Processes directed to producing relative rotation of a heat
source and the glass part during the bonding operation.
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58 | .. Of parts having opposed facing areas out of contact (e.g., building blocks): |
This subclass is indented under subclass 36. Processes in which as least one of the parts provides spacing
ribs or flanges so that facing portions of the parts are maintained
out of contact during and subsequent to the bonding operation.
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59.1 | .. Of glass to metal part: |
This subclass is indented under subclass 36. Processes in which at least one part is metal.
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59.2 | ... Maintaining cavity in glass: |
This subclass is indented under subclass 59.1. Processes in which the process performed produces an object
in which the fusion bond is part of a space-enclosing cavity.
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59.21 | .... Glass applied in powdered (i.e., frit) form: |
This subclass is indented under subclass 59.2. Processes which include the application of the glass in the form of a powder (i.e., a frit). | |
59.22 | .... Named fusible bonding material employed: |
This subclass is indented under subclass 59.2. Processes which employ an additional fusible material to
adhere to both the glass and metal parts sought to be adhered.
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59.23 | .... With firing in vacuum, in inert atmosphere, or in pumped in gas: |
This subclass is indented under subclass 59.2. Processes which the fusion step performed to adhere the glass and metal parts takes place in a vacuum, in an inert atmosphere, or in the presence of a gaseous medium at super atmospheric pressure. | |
59.24 | .... Metal part outside of glass part: |
This subclass is indented under subclass 59.2. Processes in which the metal part is at least in part exterior
to the glass part as a result of the fusion.
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59.25 | .... Metal part inserted through hole or into groove in glass part: |
This subclass is indented under subclass 59.2. Processes in which the glass part, while in the solid state, has a hole through which the metal part is threaded or a groove into which the metal part is inserted so as to fix their relative positions prior to the fusion step. | |
59.26 | .... Metal part forced through or into softened glass part (e.g., pinch sealing, etc.): |
This subclass is indented under subclass 59.2. Processes in which the glass part is softened by heat and
the metal part is forced through or into it to fix their relative
positions.
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59.27 | .... Metal part coaxial with and inside of glass part: |
This subclass is indented under subclass 59.2. Processes in which the glass and metal parts are both relatively
elongated, the glass part being outside of the metal part, and the
two being arranged to be coaxial.
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59.28 | .... Relative movement or manipulation of parts during or immediately preceding fusion: |
This subclass is indented under subclass 59.2. Processes which include moving the glass and metal parts relative to each other during the actual fusion step, or during the heating immediately preceding the actual movement of fusion. | |
59.3 | ... More than two parts in overlaying series (noncavity): |
This subclass is indented under subclass 59.1. Processes in which the final product has more than two glass
and metal parts in an overlaying series without becoming part of
a space-enclosing cavity.
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59.31 | .... Metal part inserted through hole or into groove in glass part: |
This subclass is indented under subclass 59.3. Processes in which the glass part, while in the solid state, has a hole through which the metal part is threaded or a groove into which the metal part is inserted so as to fix their relative position prior to the fusion step. | |
59.32 | .... Metal part forced through or into softened glass part (e.g., pinch sealing, etc.): |
This subclass is indented under subclass 59.3. Processes in which the glass part is softened by heat and
the metal part is forced through or into it to fix their relative
positions.
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59.33 | .... Relative movement or manipulation of parts during or immediately preceding fusion: |
This subclass is indented under subclass 59.3. Processes which include moving the glass and metal parts relative to each other during the actual fusion step, or during the heating immediately preceding the actual movement of fusion. | |
59.34 | .... Metal part outside of glass part: |
This subclass is indented under subclass 59.3. Processes in which the metal part is at least in part exterior
to the glass part as a result of the fusion.
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59.35 | .... Metal part coaxial with and inside of glass part: |
This subclass is indented under subclass 59.3. Processes in which the glass and metal parts are both relatively
elongated, the glass part being outside of the metal part and the
two being arranged to be coaxial.
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59.4 | ... Metal part outside of glass part: |
This subclass is indented under subclass 59.1. Processes in which the metal part is at least in part exterior
to the glass part as a result of the fusion.
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59.5 | ... Glass applied in powdered (i.e., frit) form: |
This subclass is indented under subclass 59.1. Processes which include the application of the glass in the form of a powder, i.e., a frit. | |
59.6 | ... Metal part coaxial with and inside of glass part: |
This subclass is indented under subclass 59.1. Processes in which the glass and metal parts are both relatively
elongated, the glass part being outside of the metal part and the
two being arranged to be coaxial.
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59.7 | ... Metal part forced through or into softened glass part (e.g., pinch sealing, etc.): |
This subclass is indented under subclass 59.1. Processes in which the glass part is softened by heat and
the metal part is forced through or into it to fix their relative
positions.
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60.1 | . With coating: |
This subclass is indented under subclass 17.1. Processes combined with the step of applying a surface coating
material to a glass preform (the coating material usually being
an emulsion, dispersion, solution), which is clearly disclosed as
leaving a residual film, layer or continuous deposit on the preform.
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60.2 | .. Plural diverse layers: |
This subclass is indented under subclass 60.1. Processes which result in the glass preform having more than one coating layer, each layer comprising a different substance. | |
60.3 | .. Organic coating: |
This subclass is indented under subclass 60.1. Processes which result in the glass preform being covered
with an organic substance.
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60.4 | .. Free metal coating: |
This subclass is indented under subclass 60.1. Processes which result in the preform being covered at least in part by free metal. | |
60.5 | .. Oxide coating: |
This subclass is indented under subclass 60.1. Processes which result in the glass preform being covered by an inorganic oxide. | |
60.51 | ... From inorganic metal salt: |
This subclass is indented under subclass 60.5. Processes wherein the glass preform is first coated with an inorganic metal salt, and the salt is then chemically reacted to convert it into an oxide of that metal. | |
60.52 | ... From organic metal compound: |
This subclass is indented under subclass 60.5. Processes wherein the glass preform is first coated with an organic metal compound, and that compound is chemically treated to convert it into an oxide of that metal. | |
60.53 | ... From inorganic oxides or hydroxides: |
This subclass is indented under subclass 60.5. Processes wherein the glass preform is first coated with an inorganic oxide or hydroxide compound, and that compound is chemically reacted to convert it into a metal oxide or a different metal oxide. | |
60.6 | .. Free carbon containing coating: |
This subclass is indented under subclass 60.1. Processes in which the glass preform is coated with a material
which comprises elemental carbon.
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60.7 | .. Inorganic metal salt containing coating: |
This subclass is indented under subclass 60.1. Processes in which the glass preform is coated with a material
which comprises an inorganic metal salt.
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60.8 | .. Silicon containing coating: |
This subclass is indented under subclass 60.1. Processes in which the glass preform is coated with a material
which comprises silicon.
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61 | . With wearing away of surface material (e.g., abrading or grinding): |
This subclass is indented under subclass 17.1. Processes combined with a step of wearing away glass by
rubbing with an abrasive to smooth, polish or remove material.
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62 | . Combined: |
This subclass is indented under subclass 17.1. Processes which include (1) a perfecting step or (2) a working
step or (3) a treating step other than a glass working or glass
treating step.
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63 | . Sequentially forming, reheating, and working: |
This subclass is indented under subclass 17.1. Processes including separate and distinct steps of: (1)
forming a preform from molten glass, (2) reheating the preform,
and (3) reworking the reheated preform.
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64 | .. Reshaping: |
This subclass is indented under subclass 63. Processes comprising reworking to reshape. | |
65 | . Forming and fire polishing or product: |
This subclass is indented under subclass 17.1. Processes comprising (1) the step of forming a product utilizing
glass in the molten or plastic state as the starting material, and
(2) fire-polishing the product formed; see the Glossary for the
definition of fire-polishing.
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66 | . Forming product or preform from molten glass: |
This subclass is indented under subclass 17.1. Processes which include a step of (1) forming a glass product
or preform from a molten glass composition, and/or (2)
reshaping of the preform (e.g., a parison) while still soft from
its residual heat of formation.
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67 | .. Converting sheet to hollow product or hollow product to sheet: |
This subclass is indented under subclass 66. Processes which include the step of (1) transforming a sheet which still retains its heat of formation into a hollow article, or (2) transforming a hollow article which still retains its heat of formation into a sheet. | |
68 | .. Initial forming of hollow product or preform in mold cavity: |
This subclass is indented under subclass 66. Processes in which (1) the forming initially occurs in a
mold cavity, and (2) the product or preform is hollow.
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69 | ... With annealing or tempering: |
This subclass is indented under subclass 68. Processes which include the step of annealing or tempering
the product.
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70 | ... With severing of formed product: |
This subclass is indented under subclass 68. Processes which include a step of cutting, severing or perforating
of a hard or soft glass product.
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71 | ... Spreading of molten glass by rotation: |
This subclass is indented under subclass 68. Processes which include the step of spreading the molten
glass within a mold by causing a rotatory movement of the molten
glass.
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72 | ... With charging of mold cavity: |
This subclass is indented under subclass 68. Processes which include the step of introducing a charge
of molten glass into the mold cavity.
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73 | .... By suction from upper surface of "pool": |
This subclass is indented under subclass 72. Processes comprising charging by creating a reduced air
pressure within the mold cavity while the mold is in contact with
the upper surface of a supply.
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74 | ..... With sequential blowing in charged cavity: |
This subclass is indented under subclass 73. Processes which include a subsequent step of inflating the charge in the cavity utilizing differential gas pressure. | |
75 | .... Through orifice in bottom wall of dispenser: |
This subclass is indented under subclass 72. Processes in which charging of the mold cavity occurs by
discharging molten glass through the bottom wall of a dispenser.
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76 | .... With additional diverse shaping step: |
This subclass is indented under subclass 72. Processes which include at least two different and distinct
shaping steps.
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77 | ... With additional forming step: |
This subclass is indented under subclass 68. Processes which includes a distinct and separate step of
forming the product or preform; and see the Glossary for a definition
of "preform".
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78 | .... Diverse: |
This subclass is indented under subclass 77. Processes comprising different steps of forming.
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79 | ..... Press and blow: |
This subclass is indented under subclass 78. Processes in which the unlike steps are pressing and blowing.
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80 | ...... In separate lines: |
This subclass is indented under subclass 79. Processes wherein the blowing or pressing steps occur in separate and distinct lines by transferring the glass from one zone to another. | |
81 | ... By differential gas pressure: |
This subclass is indented under subclass 68. Processes in which the forming step utilizes vacuum and/or
gas pressure.
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82 | .. Reshaping of hot parison in mold cavity to form hollow article: |
This subclass is indented under subclass 66. Processes directed to reshaping a parison in a mold cavity while still soft from its original heat of formation. | |
83 | .. With positive cooling of product or molten glass at forming area: |
This subclass is indented under subclass 66. Processes directed to the dynamic cooling of the molten
glass in a pool or the formed product at the portion of the glass
pool at which the product forming operation occurs.
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84 | ... By direct gaseous contact: |
This subclass is indented under subclass 83. Process wherein the cooling comprises contacting the glass
with a gaseous material of lower temperature than the glass.
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85 | ... Of glass product: |
This subclass is indented under subclass 83. Process directed to positive cooling of a glass product. | |
86 | .. Drawing and simultaneously forming hollow stock from molten glass: |
This subclass is indented under subclass 66. Processes for a process of drawing molten glass into hollow
stock, usually glass cylinders, the shape of which being initially
defined by the shape of a bait, and see the Glossary for a definition
of "drawing".
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87 | ... With additional shaping, or severing, or perforating: |
This subclass is indented under subclass 86. Processes including an additional step of shaping, severing
or perforating of hard or soft glass.
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88 | ... Vertically drawing upwardly while applying fluid internally of stock: |
This subclass is indented under subclass 86. Processes in which the drawing is vertically upwardly with
simultaneously injecting fluid internally of the stock.
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89 | .. Forming hollow stock by surface filming: |
This subclass is indented under subclass 66. Processes in which a hollow product is formed by applying
a film of molten glass onto a shaping surface.
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90 | .. Sheet: |
This subclass is indented under subclass 66. Processes in which the product is sheet stock.
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91 | ... With application of lateral tension to edge portion of moving sheet: |
This subclass is indented under subclass 90. Processes which include the step of applying, in a lateral
direction, a force or pull to the lateral edges of a sheet during
movement thereof to usually (1) maintain constant sheet width, or (2)
to prevent formation of surface irregularities.
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92 | ... With smoothing subsequent to sheet formation: |
This subclass is indented under subclass 90. Processes which include the step of smoothing the formed
sheet, generally for removal of surface irregularities.
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93 | ... With reshaping or surface deformation: |
This subclass is indented under subclass 90. Processes including (1) changing the gross overall configuration,
or (2) embossing; see the Glossary for definitions of these terms.
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94 | .... Subsequent to formation: |
This subclass is indented under subclass 93. Processes in which the reshaping or surface deformation occurs subsequent to sheet formation. | |
95 | ... With annealing or tempering: |
This subclass is indented under subclass 90. Processes combined with a step of annealing or tempering.
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96 | .... Conveying at different rate than speed of formation: |
This subclass is indented under subclass 95. Processes directed to forming the sheet at one rate of speed and thereafter conveying the formed sheet through an annealing or tempering zone at a different rate. | |
97 | ... With severing or perforating: |
This subclass is indented under subclass 90. Processes including a severing or perforating step of hard
or soft glass.
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98 | ... Simultaneously forming plural separate sheets: |
This subclass is indented under subclass 90. Processes which involves formation at the same time of at
least two separate and distinct glass sheets from the same or different
sources.
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99.1 | ... By or with pouring molten glass onto forming surface: |
This subclass is indented under subclass 90. Processes directed to forming a sheet by casting or rolling
molten glass onto a support; see the Glossary for a definition of "casting".
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99.2 | .... Utilizing molten metal forming surface: |
This subclass is indented under subclass 99.1. Processes in which the forming surface is composed of molten
metal or alloy.
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99.3 | ..... Maintaining molten metal temperature: |
This subclass is indented under subclass 99.2. Processes in which temperature distribution is kept in a
desired state.
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99.4 | ..... Treating or removing impurities in molten metal or glass: |
This subclass is indented under subclass 99.2. Processes in which the molten metal, or glass, or glass
sheet are treated to remove, or prevent impurities, or modify glass
sheet properties.
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99.5 | ..... Maintaining or adjusting sheet width or thickness: |
This subclass is indented under subclass 99.2. Processes in which glass sheet width, or thickness is maintained, or adjusted by application of mechanical force to the sheet, or by special glass flow restricting means in flow path. | |
99.6 | ...... By nonmechanical means: |
This subclass is indented under subclass 99.5. Processes in which glass sheet width, or thickness is maintained, or adjusted by nonmechanical means, e.g., fluid pressure etc. | |
100 | .... Onto moving roll or platen: |
This subclass is indented under subclass 99. Processes including a step of simultaneously moving the
support which comprises a roll or platen.
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101 | ..... Through bite of rolls: |
This subclass is indented under subclass 100. Processes wherein the support comprises rolls mounted to provide a pass for the glass therebetween. | |
102 | . Reshaping or surface deformation of glass preform: |
This subclass is indented under subclass 17.1. Processes for a process of reshaping or surface deforming
a glass preform which has been softened by a disclosed or claimed
reheating step, and see the Glossary for a definition of "reshaping" and "surface
deforming".
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103 | .. Utilizing heat shield or heat-sink: |
This subclass is indented under subclass 102. Processes which include the step of utilizing or employing
means to absorb, dissipate, distribute or shield heat.
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104 | .. With annealing, tempering, or fire-polishing: |
This subclass is indented under subclass 102. Processes which include a step of (1) tempering, or (2)
annealing, and/or (3) fire polishing.
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105 | .. With severing or perforating: |
This subclass is indented under subclass 102. Processes including severing or perforating of hard or soft
glass.
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106 | .. Reshaping of planar sheet: |
This subclass is indented under subclass 102. Processes directed to reshaping of a planar sheet by a bending
or curving operation, and see the Glossary for a definition of "bending" under "reshaping".
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107 | ... By sagging by gravity on mold surface: |
This subclass is indented under subclass 106. Processes wherein curving involves heating the glass until it droops under its own weight and conforms to the shape of the mold or form on which it rests. | |
108 | .. Reshaping of tubular preform, retaining cavity: |
This subclass is indented under subclass 102. Processes comprising reshaping a tubular-shaped preform
in such a manner that its hollow characteristic is retained.
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109 | ... During rotation: |
This subclass is indented under subclass 108. Processes with simultaneous relative rotation of the stock
and apparatus.
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110 | ... Utilizing vacuum or gas pressure: |
This subclass is indented under subclass 108. Processes utilizing vacuum or gas pressure during reshaping.
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111 | . Glass preform treating: |
This subclass is indented under subclass 17.1. Processes directed to treating a glass preform, and see
the Glossary for definitions of "glass treating" and "preform".
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112 | .. With severing or preforating: |
This subclass is indented under subclass 111. Processes in which the treating step includes heating the
glass to a temperature sufficient to render it plastic, but insufficient
to produce a significant plastic flow that would cause alteration
of physical shape and size, combined with a step of (1) penetrating
the plastic glass to effect at least a partial separation of the
glass without reshaping flow of the glass, or (2) moving one part
of the plastic glass relative to the other to cause failure by tension
at the point of separation, usually by stretching or (3) penetrating
the plastic glass to form a closed perimeter opening extending completely
through the glass, or (4) cutting or perforating of hard glass combined
with glass treating.
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113 | ... By or with flame: |
This subclass is indented under subclass 112. Processes in which a flame facilitates the severing or perforating.
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114 | .. Tempering: |
This subclass is indented under subclass 111. Processes involving heating a glass preform to near the
softening point under rigorous control and rapidly cooling the glass
from such point to set up compressive stresses in the glass surface.
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115 | ... Differential or localized: |
This subclass is indented under subclass 114. Processes including a step of tempering an isolated portion of an article or preform or distinct steps of tempering separate portions thereof, usually by steps unequal or different degrees of tempering restricted portions even though an end product of uniform temper is produced. | |
116 | ... Quenching in liquid bath: |
This subclass is indented under subclass 114. Processes in which the tempering is effected by contacting
a heated preform with a liquid medium, e.g., immersing in a shower
or bath.
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117 | .. Annealing: |
This subclass is indented under subclass 111. Processes involving heating a preform or article to a suitable
temperature followed by controlling the rate of cooling to prevent
or to remove stresses or strains therein.
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118 | ... During conveying: |
This subclass is indented under subclass 117. Processes including a simultaneous step of moving the article or preform. | |
119 | .... Annealing by direct contact with gaseous heat exchange medium: |
This subclass is indented under subclass 118. Processes wherein a gaseous heat exchange medium contacts
the article or preform to heat or cool the same; flame contact being
included.
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120 | .. By flame: |
This subclass is indented under subclass 111. Processes comprising contacting a glass preform with a flame.
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121 | . Blending of separate molten glass streams: |
This subclass is indented under subclass 17.1. Processes which include the step of mixing or flowing together
of distinct streams of molten glass of identical or diverse compositions.
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122 | . Charging of molten glass into mold cavity: |
This subclass is indented under subclass 17.1. Processes comprising a step of depositing molten glass into
a mold cavity without a significant shaping (i.e. shaping contributing
to final configuration) by the mold cavity.
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123 | .. By gravity and severing subsequent to charging mold cavity: |
This subclass is indented under subclass 122. Processes directed to charging the molten glass by gravity
into a mold cavity and, while the molten glass communicates with
both the supply of molten glass and the mold cavity, severing the
molten glass from communication with supply.
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124 | .. By suction: |
This subclass is indented under subclass 122. Processes comprising sucking a glass charge into a mold
by removing part of the air therefrom.
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125 | . Gathering from upper surface of glass pool: |
This subclass is indented under subclass 17.1. Processes comprising isolating and removing a discrete portion
of glass from an upper layer of a supply of molten glass.
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126 | . Discharging molten glass downwardly through orifice: |
This subclass is indented under subclass 17.1. Processes of delivering molten glass downwardly through
an orifice of a reservoir of molten glass.
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127 | .. With gob shaping or treating subsequent to discharge through orifice: |
This subclass is indented under subclass 126. Processes comprising treating, smoothing or shaping a gob
of molten glass subsequent to discharge through the orifice but
prior to delivery to a mold cavity.
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128 | .. With temperature modification at orifice: |
This subclass is indented under subclass 126. Processes in which the glass is heated or cooled at or adjacent
the orifice.
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129 | .. Regulating or arresting of flow into or out of orifice: |
This subclass is indented under subclass 126. Processes which include the step of (1) regulating the rate
of flow of, or (2) stopping the flow of, the molten glass through
an orifice.
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130 | ... With or by differential gas pressure: |
This subclass is indented under subclass 129. Processes in which the rate of or the arrest of flow of
molten glass through an orifice is affected by varying the pressure
of a gas on the molten glass.
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131 | .... With segregation prior to discharge: |
This subclass is indented under subclass 130. Processes which include the step of separating or isolating from the main body of the glass, prior to discharge through the orifice, a portion of the glass, and discharging the separated or isolated portion of the glass through the orifice. | |
132 | ... With segregation prior to discharge: |
This subclass is indented under subclass 129. Processes which include the step of separating or isolating from the main body of the glass prior to discharge through the orifice of a portion of the glass and discharging the separated or isolated portion through the orifice. | |
133 | . Severing of molten glass stream: |
This subclass is indented under subclass 17.1. Processes directed to cutting or dividing a stream of molten
glass, usually to form a "gob".
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134.1 | . Fining or homogenizing molten glass: |
This subclass is indented under subclass 17.1. Processes directed to (a) heating molten or batch glass
to a high temperature to decrease its viscosity thereby permitting
occluded, entrapped, or undissolved gases formed during the chemical
reaction of the batch material to rise more readily and escape from
the molten glass, (b) removing undissolved batch material, or (c)
making a melt uniform in physical characteristics or in composition
throughout.
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134.2 | .. Subatmospheric pressure or vacuum utilized: |
This subclass is indented under subclass 134.1. Processes wherein vacuum or pressure below that of the atmosphere is used during any stage of the purifying or homogenizing operation. | |
134.3 | .. Melt accelerator or color modifier utilized (e.g., fining agent, etc.): |
This subclass is indented under subclass 134.1. Processes wherein a material is added to softened glass or a glass charge to (a) speed up melting or (b) alter color. | |
134.4 | .. Oxygen enriched or nitrogen reduced gas utilized (i.e., modified air): |
This subclass is indented under subclass 134.1. Processes wherein atmospheric gas (air) has additional oxygen added or nitrogen partially or completely removed is used in fining or homogenizing the molten glass. | |
134.5 | .. By injecting gas below surface of molten glass: |
This subclass is indented under subclass 134.1. Processes wherein fining or homogenizing occurs when a gas is introduced below the surface of molten glass. | |
134.6 | .. Exhaust or top gas treated or recycled: |
This subclass is indented under subclass 134.1. Processes wherein an exhaust or top gas is reused or treated
prior to releasing into the atmosphere.
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134.7 | .. Rotating furnace or chamber utilized (e.g., crucible, etc.): |
This subclass is indented under subclass 134.1. Processes wherein the movement of a furnace or chamber is in a circle or circular arc centered on its own axis. | |
134.8 | .. By melting toxic or waste material: |
Processes under 134.1 wherein undesired or toxic material is dissolved. | |
134.9 | .. By eliminating gaseous inclusions (e.g., bubbles, etc.): |
This subclass is indented under subclass 134.1. Processes wherein gaseous bubbles or inclusions are removed. | |
135.1 | .. Glass conditioning channel section utilized: |
This subclass is indented under subclass 134.1. Processes utilizing a molten glass flow restricting area
wherein the purity or homogeneity of the molten glass is adjusted.
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135.2 | .. By agitating: |
This subclass is indented under subclass 134.1. Processes wherein the molten or softened glass is mixed
or stirred.
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135.3 | ... Mechanical stirrers utilized: |
This subclass is indented under subclass 135.2. Processes wherein the agitation is performed by the use of mechanical stirrers. | |
135.4 | .... Spiral: |
This subclass is indented under subclass 135.3. Processes wherein the mechanical stirrer is spirally configured. | |
135.6 | .. Electric furnace utilized (e.g., induction or radiant heat from electric source, etc.): |
This subclass is indented under subclass 134.1. Processes wherein glass is melted or maintained in a molten
condition (a) by passing an electric current between two electrodes,
or (b) by using heat energy resulting directly from electrically
induced radiation or induction.
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135.7 | ... With submerged electrodes: |
This subclass is indented under subclass 135.6. Processes wherein heating electrodes are located below the level of molten glass. | |
135.8 | .... Melting in separate zone of glass furnace: |
This subclass is indented under subclass 135.7. Processes wherein glass is melted in a distinct chamber
or area apart from where the purifying or homogenizing operation
is performed.
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135.9 | .. By charging batch material: |
This subclass is indented under subclass 134.1. Processes wherein a glass supply material to be liquified is delivered to a furnace (e.g., melter). | |
136.1 | ... Preheating batch material: |
This subclass is indented under subclass 135.9. Processes wherein the batch material is heated before being delivered to a furnace (e.g., melter). | |
136.2 | ... Directing batch feed to float on molten glass surface: |
This subclass is indented under subclass 135.9. Processes wherein the batch feed material is guided to a surface of molten glass and made to float thereon. | |
136.3 | ... Burner directed towards batch or melt: |
This subclass is indented under subclass 135.9. Processes wherein a torch or burner is pointed directly at a batch or melt feed material. | |
136.4 | .. By cooling molten glass: |
This subclass is indented under subclass 134.1. Processes wherein the temperature of the molten glass is reduced. | |
137 | . Cooling of molten glass: |
This subclass is indented under subclass 17.1. Processes which include the step of lowering the temperature
of molten glass.
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138 | ELECTRONIC ENVELOPE HEADER, TERMINAL, OR STEM MAKING MEANS: |
This subclass is indented under the class definition. Apparatus for making a glass closure of tube, disc or bead
configuration having one or more electrical conductors bonded thereto
and passing therethrough for use in manufacturing electric lamps
or electronic tubes or space discharge devices.
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139 | . With means inserting wire into glass: |
This subclass is indented under subclass 138. Apparatus including mechanical means for inserting the conductors into the glass. | |
140 | . By press mold: |
This subclass is indented under subclass 138. Apparatus including a press mold. | |
141 | MELT DISINTEGRATOR AND SOLIDIFIER INCLUDING FLUID-MELT CONTACT MEANS: |
This subclass is indented under the class definition. Apparatus comprising melt puffing means or comminuting means
comprising means shock cooling a melt by enhancing surface contact
therewith by a cooling fluid.
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142 | PARTICULATE BEAD OR BALL MAKING APPARATUS (E.G., PIN HEADING): |
This subclass is indented under the class definition. Apparatus including means working soft or molten glass into
small discrete particulate bodies, e.g. spheres, or means to form
and to bond by fusion, a glass particle onto rod shaped stock, e.g.
wire.
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143 | . By rolling means: |
This subclass is indented under subclass 142. Apparatus wherein the glass working means comprises rolling means. | |
144 | MEANS SHAPING PREFORM FROM GRANULAR MATERIAL WITH FUSION MEANS: |
This subclass is indented under the class definition. Apparatus including means to shape an article from a mass
of particulate material (e.g. quartz) combined with means to fuse
the mass into a preform or article.
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145 | PLURAL SOURCES FEEDING DIVERSE GLASS MELTS TO COMMON FORMING MEANS: |
This subclass is indented under the class definition. Apparatus including means feeding diverse glass melts, generally
of different color, to a common forming means, e.g. laminating means.
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146 | WITH MEANS TO FEED DIVERSE MATERIAL TO GLASS WORKING MEANS: |
This subclass is indented under the class definition. Apparatus including means supplying nonglass material to
soft or molten glass being worked to form a composite stock or article.
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147 | . Wire laminating means: |
This subclass is indented under subclass 146. Apparatus wherein the means feeds wire.
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148 | .. Sheet rolling means: |
This subclass is indented under subclass 147. Apparatus including rolling means for forming sheet glass. | |
149 | ... Sandwiching wire between opposed glass feeds: |
This subclass is indented under subclass 148. Apparatus comprising means feeding wire between plural means feeding glass to the glass forming roll means. | |
150 | ... Roll coacting with platen: |
This subclass is indented under subclass 148. Apparatus wherein the rolling means cooperates with a flat pressure plate. | |
151 | .... Embedding means on roll: |
This subclass is indented under subclass 150. Apparatus including means protruding from the surface of
the rolling means which forces the wire into the surface of soft
glass.
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152 | FUSION BONDING MEANS: |
This subclass is indented under the class definition. Apparatus including means to effect a bonding by a glass
working operation, i.e., involving fusion, between: (a) parts, at
least one of which is an article or preform, or (b) different parts
of the same preform.
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153 | . Concentric body making (e.g., vacuum bottle making, etc.): |
This subclass is indented under subclass 152. Apparatus including means to hold or assemble parts (e.g., of a vacuum bottle) to be united in a concentric relation. | |
154 | . Glass to metal: |
This subclass is indented under subclass 152. Apparatus in which one of the parts is metallic.
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155 | . Electronic device making: |
This subclass is indented under subclass 152. Apparatus wherein the parts are elements of an electronic
device.
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156 | . With article molding means: |
This subclass is indented under subclass 152. Apparatus including a female mold for performing a glass
shaping operation.
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157 | MEANS PROVIDING SPECIAL ATMOSPHERE: |
This subclass is indented under the class definition. Apparatus including means providing an atmosphere other
than air in which a glass is worked or treated.
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158 | WITH SIGNAL, INDICATOR, INSPECTION MEANS, REGISTER, OR RECORDER: |
This subclass is indented under the class definition. Apparatus combined with a signal, indicator, inspection
means, register or recorder means.
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159 | WITH APPARATUS SAFETY MEANS: |
This subclass is indented under the class definition. Apparatus combined with means to prevent damage of apparatus
in event of malfunctioning of a portion thereof.
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160 | CONTROL RESPONSIVE TO CONDITION SENSING MEANS: |
This subclass is indented under the class definition. Apparatus having means responsive to variations in an operating
or "stock" condition and control means responsive
thereto to effect an operation or change.
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161 | . Glass working fluid or treating fluid control: |
This subclass is indented under subclass 160. Apparatus in which the means controlled includes regulating
means for the delivery of a glass working fluid or glass treating
fluid.
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162 | . Temperature or heater control: |
This subclass is indented under subclass 160. Apparatus in which the means controlled consists of temperature
regulating means.
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163 | . Speed control: |
This subclass is indented under subclass 160. Apparatus in which the means controlled includes a speed regulating means for the apparatus or a portion thereof. | |
164 | . Molten glass dispenser or gatherer control: |
This subclass is indented under subclass 160. Apparatus in which the means controlled is a molten glass dispenser or gatherer. | |
165 | WITH REJECT CATCHER, DEFLECTOR, OR HOLDER: |
This subclass is indented under the class definition. Apparatus combined with means to catch, divert or otherwise
dispose of rejected material (e.g., broken hard glass or rejected gobs)
to prevent contamination of stock or apparatus or to prevent injury
of apparatus, or to conserve stock or heat.
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166 | PERFORATOR FOR ARTICLE OR PREFORM: |
This subclass is indented under the class definition. Apparatus for making a hole through preshaped glass when
in a soft stage, or the combination of glass working means combined
with mechanical drilling or boring means for hard glass.
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167 | CONVERTIBLE TO DIFFERENT OPERATION: |
This subclass is indented under the class definition. Apparatus to perform a distinct operation but being convertible
to perform a different operation either by reassembling of all or
some of its parts in a different relationship to each other or by
the addition or omission of a part.
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168 | WITH POSITIVE CLEANING MEANS FOR APPARATUS: |
This subclass is indented under the class definition. Apparatus including positive means to remove undesirable
material from a glass working or treating apparatus.
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169 | WITH MEANS PROVIDING PARTING MATERIAL: |
This subclass is indented under the class definition. Apparatus combined with means to apply a material to a work
contacting surface of apparatus, which material prevents adhesion
of glass being worked or treated.
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170 | WITH APPARATUS LUBRICATING MEANS: |
This subclass is indented under the class definition. Apparatus combined with means to apply a lubricant to moving
parts of glass working or treating apparatus.
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171 | WITH REPAIR, ASSEMBLY, OR DISASSEMBLY MEANS FOR APPARATUS: |
This subclass is indented under the class definition. Apparatus combined with means (1) to repair the apparatus,
or (2) to assemble the apparatus or portions thereof, or (3) to
disassemble the apparatus or portions thereof.
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172 | . To replace worn or damaged parts: |
This subclass is indented under subclass 171. Apparatus having means to aid repair of worn, or damaged, or destroyed parts by removal of said damaged or worn parts and substitution therefor of spare or usable parts. | |
173 | . To provide alternately used parts: |
This subclass is indented under subclass 171. Apparatus including means mounting identical parts permitting
use of one and then the other.
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174 | WITH MECHANICAL CUTTER, SCORER, OR SCRIBER FOR ARTICLE OR PREFORM: |
This subclass is indented under the class definition. Apparatus combined with mechanical means to cut, score,
or aid in describing lines on shaped stock (i.e., articles or incomplete articles
of manufacture).
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175 | . With annealing means: |
This subclass is indented under subclass 174. Apparatus in combination with annealing means. | |
176 | . Running length: |
This subclass is indented under subclass 174. Apparatus wherein the glass working or treating apparatus supplies material in continuously moving lengths to the cutter, scorer or scriber. | |
177 | . Associated with article mold: |
This subclass is indented under subclass 174. Apparatus wherein the cutter, scorer, or scriber is mounted
adjacent to or on an article mold or preform mold.
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178 | WITH AGITATOR FOR MOLTEN OR SOFT GLASS: |
This subclass is indented under the class definition. Apparatus combined with means to agitate molten glass.
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179 | . Delivery area associated: |
This subclass is indented under subclass 178. Apparatus in which the agitator is associated with a delivery
area, e.g., gathering pool or feeding boot.
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180 | .. Orifice associated: |
This subclass is indented under subclass 179. Apparatus in which the agitator is located adjacent a delivery orifice. | |
181 | COMBINED: |
This subclass is indented under the class definition. Apparatus which comprises means in addition to or combined
with glass working apparatus (1) having working or treating functions
other than glass working or treating, or (2) which serve to perfect
the apparatus for its intended purpose.
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182.1 | WITH FLUID SUPPORT FOR ARTICLE OR PREFORM: |
This subclass is indented under the class definition. Apparatus including means for supporting, e.g., floating,
the glass on a fluid current or fluid surface, e.g., molten metal.
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182.2 | . Gaseous support: |
This subclass is indented under subclass 182.1. Apparatus in which the fluid support is gaseous. | |
182.3 | . Means for treating or maintaining molten metal: |
This subclass is indented under subclass 182.1. Apparatus including means for treating or maintaining the
molten metal support.
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182.4 | . Including preform width maintaining or stretching means: |
This subclass is indented under subclass 182.1. Apparatus including means adjacent a sheet source to exert opposed lateral forces thereto to overcome the natural tendency of the sheet to narrow, or to adjust or maintain the sheet width. | |
182.5 | . Structure or composition of lining material or arrangement with shell: |
This subclass is indented under subclass 182.1. Apparatus in which the refractory lining is (a) made up or associated with specific material or has special structure, (b) specially arranged or associated with the outer shell. | |
183 | EXTRUSION DIE FORMER WITH UPSTREAM DISCHARGE ASSISTANT: |
This subclass is indented under the class definition. Apparatus including a molding orifice for shaping soft glass
extruded therethrough by force applying means upstream thereof.
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184 | MEANS CHARGING CONTINUOUS FILM OR STRIP TO SEPARATE AND DISTINCT FORMER: |
This subclass is indented under the class definition. Apparatus including separate and distinct means for charging
a claimed glass forming means with a continuous web of preliminary shaped
sheet or ribbon of glass while in a workable condition.
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185 | . Into sheet rolling means: |
This subclass is indented under subclass 184. Apparatus wherein a sheet rolling means is the forming means.
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186 | .. With auxiliary heating or cooling means upstream of rolling means: |
This subclass is indented under subclass 185. Apparatus including means for heating or cooling the charge prior to rolling. | |
187 | MEANS DRAWING TUBE OR ROD STOCK FROM BATH: |
This subclass is indented under the class definition. Apparatus comprising means utilizing inherent tackiness
of molten glass for pulling glass into tube or rod form from a supply
of molten glass - the initial form being defined, generally, by
a bait.
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188 | . Drawing vertically upward: |
This subclass is indented under subclass 187. Apparatus wherein the pulling means is located vertically above the molten supply. | |
189 | .. With product take-down means: |
This subclass is indented under subclass 188. Apparatus combined with means for subsequently handling
a tubular or rod-shaped product thereof.
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190 | .. Means correlating air supply and bait movement: |
This subclass is indented under subclass 188. Apparatus including means correlating an internal air supply means for the tube being drawn with movement of a bait. | |
191 | .. With internal core or centering means: |
This subclass is indented under subclass 188. Apparatus including means located within a tube being drawn to control the shape of, or the surface of the internal wall of the tube, or means to center the tube during drawing. | |
192 | .. Air injection means extending through bath: |
This subclass is indented under subclass 188. Apparatus wherein an internal air supply means for a tube being formed passes through the molten glass source into the lower portion of the tube. | |
193 | MEANS DRAWING SHEET FROM BATH: |
This subclass is indented under the class definition. Apparatus comprising means utilizing inherent tackiness
of molten glass for pulling glass in sheet form from a molten mass
- the initial form generally being defined by bait means.
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194 | . With annealing or tempering means: |
This subclass is indented under subclass 193. Apparatus combined with means for annealing or tempering
the formed sheet.
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195 | . Means dividing and recombining melt in draw chamber: |
This subclass is indented under subclass 193. Apparatus including means to separate a flow of molten glass
into plural streams or films, usually two, and reuniting the streams
to form the sheet.
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196 | . Vertically upwardly with means bending sheet to horizontal: |
This subclass is indented under subclass 193. Apparatus including means for continuously drawing a sheet vertically upwardly combined with means to change the direction of flow to the horizontal. | |
197 | .. With moving endless drawing or flattening table: |
This subclass is indented under subclass 196. Apparatus combined with moving endless support means for drawing and/or flattening the sheet. | |
198 | .. With coacting roll contacting surface of supply bath: |
This subclass is indented under subclass 196. Apparatus including roller means positioned above, but in
contact with the molten glass, and which determine the area of draw
of sheet from the bath.
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199 | . With width maintaining and/or lateral stretching means: |
This subclass is indented under subclass 193. Apparatus combined with means adjacent a sheet source or
meniscus to exert opposed lateral forces thereto to overcome the
natural tendency of the sheet to narrow during drawing or to increase
the sheet width.
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200 | .. Stretching means: |
This subclass is indented under subclass 199. Apparatus wherein the means applies sufficient forces transverse
to the direction of draw to stretch the sheet laterally.
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201 | .. Adjustable width maintaining means: |
This subclass is indented under subclass 199. Apparatus including means for positional adjustment of the width maintaining means. | |
202 | . With pivoted lip tile: |
This subclass is indented under subclass 193. Apparatus including pivoted closure means which substantially isolate the atmosphere of a drawing chamber from that of the remainder of a glass furnace. | |
203 | . With auxiliary heating means for draw pot or drawing chamber: |
This subclass is indented under subclass 193. Apparatus including auxiliary means to heat glass in the draw pot or drawing chamber. | |
204 | . With cooling means in drawing chamber: |
This subclass is indented under subclass 193. Apparatus including means in a drawing chamber to facilate
cooling of the sheet.
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205 | . With radiant heat reflector in draw pot or drawing chamber: |
This subclass is indented under subclass 193. Apparatus including means in the drawing chamber or pot adjacent the sheet source for reflecting radiant energy. | |
206 | . With skimmer: |
This subclass is indented under subclass 193. Apparatus comprising means to skim the surface of the molten glass. | |
207 | GOB CHARGING MEANS WITH SHAPE IMPARTING RECEPTACLE MEANS: |
This subclass is indented under the class definition. Apparatus comprising means dispensing discrete charges or
portions of molten or soft glass combined with a receiving container means
for preliminary shaping the charge and/or mold means for
making a parison or product.
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208 | . With glass treating means: |
This subclass is indented under subclass 207. Apparatus including means to anneal, temper, or otherwise
treat the product formed.
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209 | . By fluid pressure discharge assistant means: |
This subclass is indented under subclass 207. Apparatus including means utilizing differential fluid pressure
to assist or cause feeding of a charge.
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210 | . By suction gatherer mounted above supply: |
This subclass is indented under subclass 207. Apparatus wherein a suction utilizing dispensing means is
movably mounted above a pool of glass and cooperates therewith to
gather a charge of glass therefrom.
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211 | .. With means correlating movable pool-closure: |
This subclass is indented under subclass 210. Apparatus wherein a pool closure means has operating means correlated with means positioning the dispensing means. | |
212 | .. Gatherer moving transversely from orbit of traveling mold (i.e., ram type): |
This subclass is indented under subclass 210. Apparatus including means mounting the gatherer for movement radially into, and out-of an orbit defined by traveling molds. | |
213 | .. Mold is gatherer: |
This subclass is indented under subclass 210. Apparatus wherein the dispensing means is structurally shaped to form an article or preform in situ. | |
214 | ... Parison mold: |
This subclass is indented under subclass 213. Apparatus wherein the dispensing means is a mold for forming a hollow blank or preform. | |
215 | .... With plunger movable relative to mold: |
This subclass is indented under subclass 214. Apparatus including a reciprocating part coating with the mold to force glass into contours of the mold, or which forms the initial cavity for a subsequent blowing. | |
216 | ..... With separate, distinct blow mold: |
This subclass is indented under subclass 215. Apparatus including a sequentially used separate and distinct blow mold. | |
217 | ...... Diverse molds traveling concentric orbits: |
This subclass is indented under subclass 216. Apparatus including blank molds mounted to travel in an orbit concentric to orbiting molds of diverse type. | |
218 | ....... Finish mold pivotally mounted below parison"s orbit: |
This subclass is indented under subclass 217. Apparatus including means pivotally mounting a finish mold below the orbit of the blank mold. | |
219 | .... With blow means: |
This subclass is indented under subclass 214. Apparatus including means to form the initial opening in the glass charge by gas pressure. | |
220 | ..... Sequentially used, distinct molds: |
This subclass is indented under subclass 219. Apparatus wherein the glass is formed in sequentially used distinct molds. | |
221 | . By delivery from tank feeder: |
This subclass is indented under subclass 207. Apparatus wherein dispensing is through orifice means below the level of molten glass in a glass delivery zone. | |
222 | .. To parallel mold tables: |
This subclass is indented under subclass 221. Apparatus including means distributing the charges to sets of molds carried by mold supporting means arranged in parallel. | |
223 | .. With press means: |
This subclass is indented under subclass 221. Apparatus including plunger means coating with the mold means. | |
224 | ... With diverse molding: |
This subclass is indented under subclass 223. Apparatus combined with diverse molding means. | |
225 | .. With gob guide means: |
This subclass is indented under subclass 221. Apparatus with means to guide the gob to a shape imparting
receptacle means.
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226 | . With press means: |
This subclass is indented under subclass 207. Apparatus wherein the shaping means includes press molding
means.
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227 | DIVERSE DISTINCT GLASSWORKING APPARATUS: |
This subclass is indented under the class definition. Apparatus having glass working means identifiable as separate
units each doing a complete operation of a different kind, e.g.
glass pressing means and glass blowing means.
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228 | . Marvering means with blow means: |
This subclass is indented under subclass 227. Apparatus including plate on which a gather of glass is rolled, shaped and cooled combined with means to blow glass. | |
229 | . Press means with blow means: |
This subclass is indented under subclass 227. Apparatus comprising press forming means combined with means
to shape by inflating a charge or preform.
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230 | .. With reheating means therebetween: |
This subclass is indented under subclass 229. Apparatus in combination with means located between the
press-forming means and the blowing means to reheat the material
being shaped.
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231 | .. Blank mold encaseable in finish mold: |
This subclass is indented under subclass 229. Apparatus comprising a blank mold nested within a blow mold during a parison forming operation with means withdrawing the blank mold to permit subsequent blowing of the parison mold in the blow mold. | |
232 | .. With mold inverting means: |
This subclass is indented under subclass 229. Apparatus including a mold with mounting means for turning the mold upside down or vice versa. | |
233 | ... With pneumatic charge compacting means: |
This subclass is indented under subclass 232. Apparatus including means for creating a pressure differential between a charging opening of a mold and another passage whereby a charge is forced into contact with the mold. | |
234 | .... Settle-blow means: |
This subclass is indented under subclass 233. Apparatus comprising means for applying super-atmospheric pressure through the charge opening. | |
235 | ... Neck mold inverting: |
This subclass is indented under subclass 232. Apparatus wherein the mold is a neck mold. | |
236 | .... With parison mold inverting: |
This subclass is indented under subclass 235. Apparatus wherein a parison mold also is inverted. | |
237 | .. Diverse molds traveling concentric orbits: |
This subclass is indented under subclass 229. Apparatus including a group of press forming molds and a group of blow molds with movable carrier means therefor, the carrier means transporting one group in an orbit concentric to an orbit over which the other group is moved. | |
238 | ... With diverse motion of mold: |
This subclass is indented under subclass 237. Apparatus wherein molds of one group are mounted for diverse
movement other than for mere opening or closing of a segmented mold.
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239 | ... With movable work transfer means between orbits: |
This subclass is indented under subclass 237. Apparatus in combination with means to transfer work from a mold of one group to a mold in the other group. | |
240 | .. Plural traveling mold carriers: |
This subclass is indented under subclass 229. Apparatus combined with movable carrier means for press
mold means and movable carrier means for blow mold means.
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241 | ... With movable intermediate work transfer means: |
This subclass is indented under subclass 240. Apparatus in combination with work transfer means for transferring work from the press mold means to the blow mold means. | |
242 | .. Reciprocating mold bottom: |
This subclass is indented under subclass 229. Apparatus including a mold having a bottom portion mounted
to reciprocate with respect to side walls thereof between a first
and second position.
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243 | PLURAL DISTINCT GLASSWORKING APPARATUS: |
This subclass is indented under the class definition. Apparatus comprising two or more glass working means, identifiable
as separate units, of the same kind, e.g. plural pressing apparatus.
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244 | . Spaced preform reheating means with reshaping means: |
This subclass is indented under subclass 243. Apparatus comprising at least two work stations each including
reheating and reshaping means.
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245 | . Sheet rolling means: |
This subclass is indented under subclass 243. Apparatus comprising plural rolling means arranged to provide
plural distinct rolling operation.
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246 | . Plural presses: |
This subclass is indented under subclass 243. Apparatus comprising plural male-die means and plural molds,
each die-mold couple providing a separate shaping of soft glass.
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247 | .. Plungers sequentially coacting with same mold: |
This subclass is indented under subclass 246. Apparatus including plural plunger means mounted and actuated
to cooperate sequentially with the same mold.
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248 | .. With relative rotation between plunger and mold during withdrawal: |
This subclass is indented under subclass 246. Apparatus including means to cause relative rotation between the plunger and mold during the extraction of the plunger from a molded article. | |
249 | ... Plungers oppositely disposed: |
This subclass is indented under subclass 248. Apparatus wherein plungers are mounted to coact through opposite walls of a mold. | |
250 | .. Plungers oppositely disposed: |
This subclass is indented under subclass 246. Apparatus wherein plungers are mounted to coact through
opposite walls of a mold.
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251 | .. Plungers orbiting above orbiting molds: |
This subclass is indented under subclass 246. Apparatus including means orbiting the plungers above orbiting
molds.
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252 | . Fire-polishing means: |
This subclass is indented under subclass 243. Apparatus comprising distinct fire-polishing means.
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253 | ROLLING MEANS TO FORM SHEET OR STRIP: |
This subclass is indented under the class definition. Apparatus comprising a pass defined by a roll, and a coating
surface between which a feed of soft glass is formed into a sheet.
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254 | . With treating means: |
This subclass is indented under subclass 253. Apparatus combined with glass treating means. | |
255 | . With corrugating or surface imprinting means: |
This subclass is indented under subclass 253. Apparatus including (1) a means for impressing a design
or particular configuration in the surface of the sheet, or (2)
means for corrugating the sheet.
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256 | . Roll coacting with planar platen: |
This subclass is indented under subclass 253. Apparatus in which the coating surface comprises a flat plate. | |
257 | .. Reciprocating platen: |
This subclass is indented under subclass 256. Apparatus including means to reciprocate the plate with
respect to the roll.
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258 | SHEET CASTING AND RECEIVING MEANS: |
This subclass is indented under the class definition. Apparatus comprising molten glass pouring means combined
with a receiving means providing a flat surface in which the molten glass
spreads by force of gravity.
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259 | . With pot handling means: |
This subclass is indented under subclass 258. Apparatus wherein the pouring means comprises a melting pot combined with means for handling and pouring from the pot. | |
260 | WITH MEANS ABOVE MOLD TO TAKE-OUT OR TRANSFER PRODUCT: |
This subclass is indented under the class definition. Apparatus including mold means combined with means mounted
to remove the product from an upper side of the mold.
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261 | BLOWING MEANS WITH BLOW MOLD: |
This subclass is indented under the class definition. Apparatus comprising means utilizing differential gas pressure
inflating a glass charge having a preliminary cavity therein in
a female mold thereby imparting a shape thereto.
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262 | . With treating means: |
This subclass is indented under subclass 261. Apparatus in combination with means to treat a product being
formed.
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263 | . Combined with vacuum means: |
This subclass is indented under subclass 261. Apparatus in combination with means to reduce the pressure
exteriorly of the charge to less than atmospheric.
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264 | . Traveling mold: |
This subclass is indented under subclass 261. Apparatus including moving mold support means mounting a
mold for travel from one position to another.
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265 | .. With means heating and/or cooling apparatus: |
This subclass is indented under subclass 264. Apparatus in combination with apparatus heating or cooling means. | |
266 | . Mold rotary about own axis: |
This subclass is indented under subclass 261. Apparatus in combination with means to rotate the mold about
its own axis.
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267 | . With means heating and/or cooling apparatus: |
This subclass is indented under subclass 261. Apparatus in combination with apparatus heating or cooling.
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268 | PREFORM RESHAPING MEANS WITH TREATING MEANS: |
This subclass is indented under the class definition. Apparatus comprising preform reshaping means combined with
distinct treating means.
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269 | GLASSWORKING OR PREFORM BY OR WITH REHEATING MEANS (E.G., FLAME SEVERING): |
This subclass is indented under the class definition. Apparatus comprising preform supporting means combined with
heating means for accomplishing a glass working operation.
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270 | . Envelope tipping off type: |
This subclass is indented under subclass 269. Apparatus for tipping off a glass envelope (e.g., of an
electronic device) with or without means to exhaust gas therein.
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271 | . Heating means movable relative to work during shaping operation: |
This subclass is indented under subclass 269. Apparatus in which the heating means is movable relative
to the stock during a reshaping operation.
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272 | . Work, workholder, or tool correlated burner control: |
This subclass is indented under subclass 269. Apparatus wherein the heating means is a burner having control means therefore mechanically connected for correlation with the movement of a preform, a work holder, or tool. | |
273 | . Planar sheet preform: |
This subclass is indented under subclass 269. Apparatus including means for converting sheet stock to
or from planar sheet.
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274 | . With spaced preheating means: |
This subclass is indented under subclass 269. Apparatus including preheating means spaced from the reheating
and/or reshaping means.
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275 | . Mechanical means to reshape preform: |
This subclass is indented under subclass 269. Apparatus in combination with mechanical means for performing
a shaping or finishing operation on a softened preform.
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276 | .. Tubular type preform: |
This subclass is indented under subclass 275. Apparatus wherein the preform is of tubular shape.
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277 | ... By resizing mandrel: |
This subclass is indented under subclass 276. Apparatus including means internally of the stock to shape the bore thereof to an accurate cross-section (generally utilizing differential air pressure to force the softened glass to conform to the contour of the internal means). | |
278 | ... Means supporting and orbiting preform: |
This subclass is indented under subclass 276. Apparatus including means movably supporting the stock for travel in a circular or elliptical path. | |
279 | .... Preform supported horizontally: |
This subclass is indented under subclass 278. Apparatus in which the stock is supported horizontally. | |
280 | .... Preform supported vertically: |
This subclass is indented under subclass 278. Apparatus in which the stock is supported vertically. | |
281 | ... By bending means: |
This subclass is indented under subclass 276. Apparatus comprising means to curve stock, or to straighten
curved stock.
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282 | ... By internal forming means: |
This subclass is indented under subclass 276. Apparatus comprising means for reshaping an internal surface of the stock. | |
283 | ... By stretching means: |
This subclass is indented under subclass 276. Apparatus including means to elongate.
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284 | . Fire-polishing means: |
This subclass is indented under subclass 269. Apparatus including means to heat a surface layer of a preform
to a molten condition whereby surface tension and/or gravity
eliminates defects thereon.
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285 | . To reshape preform by flame pressure or gravity: |
This subclass is indented under subclass 269. Apparatus wherein a preform supporting means holds a heat
softened preform in a manner permitting reshaping by gravity or
pressure of a flame.
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286 | PREFORM RESHAPING MEANS: |
This subclass is indented under the class definition. Apparatus including means for performing a shaping operation
on a previously formed blank while in a soft state.
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287 | . Sheet bending mold: |
This subclass is indented under subclass 286. Apparatus for bending sheet glass which apparatus includes
a mold surface having a desired configuration onto which a sheet
in a soft state settles freely into conformity with the shaping surface.
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288 | .. With heat shield or heat sink: |
This subclass is indented under subclass 287. Apparatus having (1) means thereon capable of absorbing
large quantities of heat and used as a heat absorber or reservoir,
or (2) barrier means preventing heat from reaching a portion of
an apparatus or stock.
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289 | .. Including auxiliary movable sheet support or movable sheet guide means: |
This subclass is indented under subclass 287. Apparatus wherein additional movable sheet supporting or sheet guide means are provided to aid in the glass bending operation. | |
290 | ... Movable mold section: |
This subclass is indented under subclass 289. Apparatus wherein the mold has a movable section. | |
291 | .. Having movable section: |
This subclass is indented under subclass 287. Apparatus wherein the mold has a movable section.
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292 | . Cylindrical preform: |
This subclass is indented under subclass 286. Apparatus in which the preformed blank is cylindrical in
cross-section, e.g. bottle necks.
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293 | .. By threading means: |
This subclass is indented under subclass 292. Apparatus in which the reshaping means includes means to form threads. | |
294 | .. By expansible mandrel: |
This subclass is indented under subclass 292. Apparatus in which the reshaping means includes an internal forming spindle having means to increase its effective diameter. | |
295 | .. By crimping means: |
This subclass is indented under subclass 292. Apparatus in which the reshaping means includes crimping means. | |
296 | .. By internal and external forming means: |
This subclass is indented under subclass 292. Apparatus wherein the reshaping means includes separate
means for simultaneously reshaping internal and external surfaces
of cylindrical stock.
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297 | ... Both rotary driven: |
This subclass is indented under subclass 296. Apparatus in which both forming means are caused to rotate by driving means. | |
298 | ... Rotary internal, stationary external: |
This subclass is indented under subclass 296. Apparatus in which the internal forming means is caused to rotate while the external forming means remains stationary. | |
299 | .. By flaring means: |
This subclass is indented under subclass 292. Apparatus in which the shaping means consists of means to
spread or flare the end portion of cylindrical stock.
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300 | MEANS APPLYING PNEUMATIC PRESSURE INSIDE OF DISCRETE CHARGE (I.E., BLOW MEANS): |
This subclass is indented under the class definition. Apparatus including means subjecting a discrete portion
of soft glass, having a cavity therein, to a differential gas pressure
to cause ballooning thereof.
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301 | . With selective control means: |
This subclass is indented under subclass 300. Apparatus in combination with means to selectively control the ballooning. | |
302 | ARTICLE FORMING MEANS UTILIZING MOLD MOTION (E.G., CENTRIFUGAL CASTING): |
This subclass is indented under the class definition. Apparatus comprising forming means including a mold, and
means imparting motion to the mold to cause or enhance shaping of
a charge of soft glass.
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303 | GOB SHAPING OR TREATING MEANS DOWNSTREAM OF GOB SEVERING MEANS: |
This subclass is indented under the class definition. Apparatus comprising means to shape, modify, or treat a
gob prior to its entry into a mold, with a severing means located
upstream therefrom.
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304 | WITH GOB HANDLING MEANS: |
This subclass is indented under the class definition. Apparatus combined with means for conveying and/or
delaying a glass charge from a feeding means to its point of use,
e.g. a mold.
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305 | PRESS MOLDING MACHINE: |
This subclass is indented under the class definition. Article forming means comprising a dynamic male member co-acting
with a cavity in a female mold.
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306 | . With product treating means: |
This subclass is indented under subclass 305. Apparatus combined with product treating (e.g. annealing)
means.
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307 | . Mold ring or baffle laterally and movably supported: |
This subclass is indented under subclass 305. Apparatus including mold closure means or mold rings mounted by a lateral support for movement to or from engagement with a mold body. | |
308 | . Plunger coacting with successively presented molds: |
This subclass is indented under subclass 305. Apparatus comprising a single plunger co-acting with individual
molds of a group successively presented by movable mold support means.
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309 | .. Relative rotation between plunger and orbiting mold: |
This subclass is indented under subclass 308. Apparatus including means providing relative rotation between
a plunger and a mold traveling in an orbit.
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310 | ... Independent dies actuated by common plunger: |
This subclass is indented under subclass 309. Apparatus comprising a plurality of male shaping members detachably carried and independently inserted into a mold by a single, commonly used reciprocating shaft. | |
311 | .. Means providing orbiting mold with diverse motion: |
This subclass is indented under subclass 308. Apparatus including means to cause movement (other than mere opening and closing in situ) of an orbiting mold, as a unit, into and out of a path defined by the orbit of the mold. | |
312 | .. Mold orbiting about horizontal axis: |
This subclass is indented under subclass 308. Apparatus wherein a mold while orbiting defines a vertical layer having a horizontal axis. | |
313 | .. Vertically segmented orbiting mold: |
This subclass is indented under subclass 308. Apparatus including an orbiting mold divided perpendicularly with respect to a horizontal plane. | |
314 | . Plural motors coaxial with plunger: |
This subclass is indented under subclass 305. Apparatus including plural motors arranged coaxially with a plunger. | |
315 | . With core drawing means: |
This subclass is indented under subclass 305. Apparatus in combination with means to withdraw a core from
a mold cavity.
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316 | . With means to rotate plunger during withdrawal: |
This subclass is indented under subclass 305. Apparatus including means to provide relative rotation between
a plunger and a mold during separation thereof.
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317 | . Means reciprocating or oscillating female mold member: |
This subclass is indented under subclass 305. Apparatus including means movably mounting a female mold
for oscillatory or reciprocatory movement, generally to provide
engagement with a substantially stationary male member.
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318 | . With means varying plunger pressure during pressing: |
This subclass is indented under subclass 305. Apparatus including means to vary the pressure applied to a plunger during pressing. | |
319 | . With means for heating or cooling apparatus: |
This subclass is indented under subclass 305. Apparatus combined with means to heat or cool the apparatus. | |
320 | . Selectively operated plural plungers: |
This subclass is indented under subclass 305. Apparatus comprising plural plungers with means to selectively
present and individually operate them at a single station - generally
to a manually presented female mold.
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321 | . Plunger penetrating superimposed mold table: |
This subclass is indented under subclass 305. Apparatus comprising a plunger reciprocating from a position
below a mold table into a pressing position through the table.
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322 | . With means to adjust plunger stroke: |
This subclass is indented under subclass 305. Apparatus including means to adjust the travel of the plunger. | |
323 | PRODUCT OR PARISON CENTERING MEANS, OR MOLD AND/OR CORE ALIGNING MEANS: |
This subclass is indented under the class definition. Apparatus including means for (1) orientating a product with respect to a glass working or handling means prior to co-action therewith, or (2) product hold-down means for retaining a product"s position upon opening of a mold or shaping means, or (3) means for aligning parts of a mold or a mold and its core during or upon completion of translation thereof. | |
324 | MOLTEN GLASS DISPENSING MEANS (E.G., FEEDER OR LADLE): |
This subclass is indented under the class definition. Apparatus including means (with or without severing means)
to supply increments of molten glass to a shaping tool or machine
by slug feeding means, gathering means or ladling means.
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325 | . Discharge orifice below melt level: |
This subclass is indented under subclass 324. Apparatus wherein the glass is discharged through an orifice
or weir located below the level of the melt.
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326 | .. With auxiliary heating or cooling means: |
This subclass is indented under subclass 325. Apparatus with additional heating or cooling means for conditioning
the glass.
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327 | ... At orifice: |
This subclass is indented under subclass 326. Apparatus wherein the heating or cooling means is located
at, or immediately adjacent to the discharge orifice.
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328 | .. Plural plunger-type discharge assistants or discharge orifices: |
This subclass is indented under subclass 325. Apparatus having: (1) A plurality of plungers which act as discharge assistants, or (2) a plurality of orifices through which glass is discharged. | |
329 | .. By differential gas pressure: |
This subclass is indented under subclass 325. Apparatus in which the molten glass is caused to be discharged
through the orifice by (1) fluid means under pressure and in direct
contact with the glass, or (2) vacuum means.
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330 | .. By reciprocating plunger-type discharge assistant: |
This subclass is indented under subclass 325. Apparatus including means reciprocally plunging within the
molten glass substantially co-axial with the orifice whereby the
volume is controlled or varied.
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331 | ... With diverse motion: |
This subclass is indented under subclass 330. Apparatus wherein the plunger has motion in addition to reciprocating. | |
332 | ... With severing means: |
This subclass is indented under subclass 330. Apparatus combined with means to sever the dispensed glass.
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333 | . Discharge lip with discharge assistant: |
This subclass is indented under subclass 324. Apparatus comprising a pulsating means creating wave like motion in the glass causing discrete portions of glass to break over a weir-type discharge opening. | |
334 | WITH MOLTEN GLASS CHARGE CUTTING OR SCRAPING MEANS: |
This subclass is indented under the class definition. Apparatus including (1) molten glass severing or scraping
means, per se, constructed to co-act with a surface of a charge
confining means (e.g. a surface of a mold), or (2) such means claimed
in combination with a fragment of glass working apparatus, or (3)
gob shears, per se, not elsewhere classified.
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335 | GLASS FURNACE WITH FURNACE CHARGING MEANS: |
This subclass is indented under the class definition. Apparatus including means to feed raw materials combined
with a melting furnace including structurally defined refining or
delivery zones.
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336 | GATHERING OR DRAWING POOL TYPE FURNACE: |
This subclass is indented under the class definition. Apparatus comprising furnaces having a structurally defined
area, permitting removal (e.g., by drawing, ladling, etc.) of molten
glass from a pool by means located there above.
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337 | . Supplemental heating or heat exchange means associated with pool: |
This subclass is indented under subclass 336. Apparatus including heating or cooling means located within
or immediately adjacent the pool area.
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338 | .. With deputer, draw ring, or draw shield: |
This subclass is indented under subclass 337. Apparatus including (1) means in molten glass defining a source of draw and/or (2) means shielding an area of draw. | |
339 | . Separate and distinct means defining pool (e.g., floor-supported dam): |
This subclass is indented under subclass 336. Apparatus including means isolating the pool area from a refining and/or melting area. | |
340 | .. Movably mounted: |
This subclass is indented under subclass 339. Apparatus comprising support means movably mounting structure
defining a pool.
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341 | .. Cascadingly connected: |
This subclass is indented under subclass 339. Apparatus including a connection between two pools arranged in a step wise or cascading fashion wherein the glass residing in the upper pool flows into the lower level in a falling stream. | |
342 | .. By bridge: |
This subclass is indented under subclass 339. Apparatus wherein the isolating means is a wall retained bridge-type barrier providing for molten glass passage thereunder. | |
343 | ... Floating bridge: |
This subclass is indented under subclass 342. Apparatus wherein a bridge floats in the molten glass and
is restrained to vertical movement by guide means in a furnace wall.
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344 | .. With deputer, draw ring, or draw shield: |
This subclass is indented under subclass 339. Apparatus including (1) means in a pool of molten glass
defining a source of draw and/or (2) means shielding an
area of draw.
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345 | .. By suspended baffle: |
This subclass is indented under subclass 339. Apparatus including baffle means suspended downward from above the molten glass into or adjacent the glass for controlling the flow of heater gasses above the glass. | |
346 | GLASS CONDITIONING CHANNEL SECTION: |
This subclass is indented under the class definition. Apparatus comprising means defining a flow confining channel
between furnace sections with means in the channel to adjust the consistency
of molten glass therein.
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347 | MELTING POT OR FURNACE WITH STRUCTURALLY DEFINED DELIVERY OR FINING ZONE: |
This subclass is indented under the class definition. Apparatus comprising a furnace or melting pot including
(1) a melting zone and a structural defined refining zone and/or
(2) a structurally defined delivery zone without requiring a dispensing
means or structure defining a gathering pool.
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348 | PRODUCT COOLING MEANS (E.G., TEMPERING): |
This subclass is indented under the class definition. Apparatus including positive means to cool a glass product,
e.g. air blast tempering means.
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349 | . With preceding reheater: |
This subclass is indented under subclass 348. Apparatus combined with means to heat the product prior
to exposure to positive cooling means.
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350 | .. Plural spaced reheaters: |
This subclass is indented under subclass 349. Apparatus wherein means to heat comprise spaced distinct heating means. | |
351 | .. Plural spaced cooling means: |
This subclass is indented under subclass 349. Apparatus including spaced cooling means providing distinct
cooling zones downstream of the heating means.
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352 | DRAWING BAIT: |
This subclass is indented under the class definition. Apparatus comprising means for starting and defining the shape of a draw of glass from a source molten glass. | |
353 | . With air supply means: |
This subclass is indented under subclass 352. Apparatus including means to supply air internally of the glass being drawn. | |
354 | .. With heating or cooling means: |
This subclass is indented under subclass 353. Apparatus including heating or cooling means. | |
355 | MEANS HEATING OR COOLING APPARATUS: |
This subclass is indented under the class definition. Apparatus including means to heat or cool the apparatus.
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356 | . Internally positioned: |
This subclass is indented under subclass 355. Apparatus in which the heating or cooling means is (1) encased by parts of the apparatus, or (2) involves internal structure thereof. | |
357 | MOLD WITH SEPARATING MEANS OR CLAMPING MEANS: |
This subclass is indented under the class definition. Apparatus including (1) a mold and means which acts to separate
the mold into two or more distinct portions, or (2) a mold combined
with mold clamping means.
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358 | . Core drawing means: |
This subclass is indented under subclass 357. Apparatus in which the separating action includes or consists
of drawing a core from the mold.
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359 | . With mold support or carrier: |
This subclass is indented under subclass 357. Apparatus in combination with means to support or carry
the mold or portions thereof.
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360 | .. Pivoted mold sections: |
This subclass is indented under subclass 359. Apparatus in which portions of the mold pivot about an axis during separation. | |
361 | MOLD WITH SUPPORTING OR CARRYING MEANS: |
This subclass is indented under the class definition. Apparatus comprising molds supporting means combined with
only those details of a mold required to cooperate therewith.
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362 | PLUNGER: |
This subclass is indented under the class definition. Apparatus comprising (1) a male forming element constructed
to cooperate with a female mold, or (2) a plunger-type discharge
assistant for a molten glass feeder.
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370.1 | ROLLER MEANS FOR GLASSWORKING, TEMPERING, OR ANNEALING: |
This subclass is indented under the class definition. Apparatus having a generally cylindrical work contacting
surface, which surface revolves about the longitudinal axis of the
cylinder with rolling motion relative to the surface (a) of molten
or hot semisolid glass during glassworking or (b) of solid or semisolid
glass during heat treatment to effect tempering or annealing thereof
or during other treatment to effect physical or chemical changes
thereof.
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374.1 | APPARATUS MADE OF SPECIAL MATERIAL: |
This subclass is indented under the class definition. Apparatus characterized in part by the material of which
it is made.
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374.11 | . Metal-nonmetal composite: |
This subclass is indented under subclass 374.1. Apparatus in which at least one layer or portion is made of a specified metal or alloy and at least one other layer or portion is made of a nonmetallic material. | |
374.12 | . Metallic: |
This subclass is indented under subclass 374.1. Apparatus made of a specified metal or alloy.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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374.13 | . Ceramic material: |
This subclass is indented under subclass 374.1. Apparatus comprising a ceramic material.
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374.14 | . Asbestos containing: |
This subclass is indented under subclass 374.1. Apparatus which is made, at least in part, of asbestos. | |
374.15 | . Elemental carbon containing (e.g., graphite, charcoal, etc.): |
This subclass is indented under subclass 374.1. Apparatus wherein at least part of the apparatus is made
of a substance containing elemental carbon.
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375 | MISCELLANEOUS: |
This subclass is indented under the class definition. Subject matter not elsewhere provided for. | |
900 | DRYING, DEHYDRATION, MINIMIZING OH GROUPS: |
Art collection involving the formation of glass without going through the melt stage, usually via a sintering or consolidating step. Included herein are converting silicon and metal alkoxides (and like precursors) into oxides in the formation of oxide glass product and the "gel route" formation of glass. | |
901 | LIQUID PHASE REACTION PROCESS: |
Art collection involving the provision of precursors for oxides with ultimate consolidation to provide a glass product. | |
FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
This subclass has no definition. | |
DIG1 | LENS ENVELOPE |
This subclass has no definition. | |
DIG3 | CRACKED GLASS |
This subclass has no definition. | |
DIG4 | ELECTRIC HEAT |
This subclass has no definition. | |
DIG5 | FOIL GLASS |
This subclass has no definition. | |
DIG6 | GLASS ELECTRODE |
This subclass has no definition. | |
DIG8 | QUARTZ |
This subclass has no definition. | |
DIG9 | TUBE |
This subclass has no definition. | |
DIG10 | STEMWARE |
This subclass has no definition. | |
DIG11 | ENCAPSULATING |
This subclass has no definition. | |
DIG12 | REED SWITCH |
This subclass has no definition. | |
DIG13 | COMPUTER CONTROL |
This subclass has no definition. | |
DIG15 | NONOXYGEN CONTAINING CHALOGENIDES |
This subclass has no definition. | |
DIG16 | . Optical filament or fiber treatment with fluorine or incorporating fluorine in final product |
This subclass has no definition. | |