Class 277: SEAL FOR A JOINT OR JUNCTURE ( Manual of U.S. Patent Classification )

U.S. PATENT AND TRADEMARK OFFICE
Information Products Division
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Manual of U.S. Patent Classification
as of June 30, 2000


Class
277
SEAL FOR A JOINT OR JUNCTURE


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Subclass Title
ClassTitle ===> SEAL FOR A JOINT OR JUNCTURE
300[Patents]PROCESS OF DYNAMIC SEALING
301[Patents] . Close proximity seal (e.g., contactless, fluent, etc.)
302[Patents] . . Magnetic
303[Patents] . . Labyrinth
304[Patents] . . Formed by pressurized sealing fluid introduced to form barrier
305[Patents] . . Floating ring or bushing
306[Patents] . Relatively rotatable radially extending sealing face member (e.g., face, mechanical, etc.)
307[Patents] . . Formed by flexible projection
308[Patents] . Contained or compressed by gland member in packing box
309[Patents] . Peripheral radially sealing flexible projection (e.g., lip, piston cup seal, etc.)
310[Patents] . Piston ring for internal combustion engine
311[Patents] . Flexible ring
312[Patents]PROCESS OF STATIC SEALING
313[Patents] . Between parts of internal combustion engine
314[Patents] . Pipe, conduit, or cable
315[Patents] . Using flexible sleeve, boot, or diaphragm
316[Patents] . Forming in place (i.e., in situ)
317[Patents]SEAL COMBINED WITH INDICATOR, SAMPLER, OR INSPECTION FEATURE
318[Patents] . Fluid pressure
319[Patents] . Fluid temperature
320[Patents] . Fluid leakage
321[Patents] . Wear, proper seating, or presence
322[Patents]SEAL FOR WELL APPARATUS
323[Patents] . Installation, removal, assembly, disassembly, or repair feature
324[Patents] . For overpressure control device (e.g., seal for a blowout preventer, etc.)
325[Patents] . . Segmented radially actuated (e.g., ram type, etc.)
326[Patents] . . Rotatable
327[Patents] . . Axially compressed ring
328[Patents] . Longitudinally actuated packer for above ground apparatus
329[Patents] . . Contained or compressed by gland member in packing box
330[Patents] . . . For line or cable
331[Patents] . Inflatable packer
332[Patents] . . Deforms radially inward
333[Patents] . . And inflating medium control
334[Patents] . . Particular wall structure
335[Patents] . Axially facing packing cup
336[Patents] . For below ground apparatus
337[Patents] . . Longitudinally actuated packer
338[Patents] . . . Packing sleeve
339[Patents] . . . . Expanded by wedging member
340[Patents] . . . . Particular wall structure
341[Patents] . . . . . Reinforcing feature
342[Patents] . . . Plural stacked rings
343[Patents] . Seal (e.g., wiper, oil saver, stripper, etc.) accommodates irregular size of inner part
344[Patents] . Segmented radially actuated packer (e.g., oil saver, gas saver, etc.) for above ground apparatus
345[Patents]SEAL BETWEEN RELATIVELY MOVABLE PARTS (I.E., DYNAMIC SEAL)
346[Patents] . Diverse and distinct dynamic seals
347[Patents] . . Close proximity seal (e.g., contactless, fluent, etc.)
348[Patents] . . . And relatively rotatable radially extending contacting sealing members (e.g., face, mechanical, etc.)
349[Patents] . . . . And circumferential peripheral radially sealing flexible projection (e.g., lip seal, etc.)
350[Patents] . . . And circumferential contact seal
351[Patents] . . . . Peripheral radially sealing flexible projection (e.g., lip seal, etc.)
352[Patents] . . Relatively rotatable radially extending contacting sealing members (e.g., face, mechanical, etc.)
353[Patents] . . And circumferential peripheral radially sealing flexible projection (e.g., lip seal, etc.)
354[Patents] . Helically threaded part
355[Patents] . Brush seal
356[Patents] . For journal box (e.g., railway car journal, etc.)
357[Patents] . For rotary piston
358[Patents] . Relatively rotatable radially extending sealing face member (e.g., face, mechanical, etc.)
359[Patents] . . Temperature responsive feature
360[Patents] . . . Accommodates or prevents thermal distortion
361[Patents] . . Multiple sealing faces (e.g., double seals, etc.)
362[Patents] . . . Floating intermediate sealing face member
363[Patents] . . . . Including an outwardly axial biasing member
364[Patents] . . . Concentric and radially spaced
365[Patents] . . . Three or more
366[Patents] . . . Shaft mounted sealing face members biased axially away from each other
367[Patents] . . . Shaft mounted sealing face members biased axially towards each other
368[Patents] . . . Housing mounted sealing face members biased axially away from each other
369[Patents] . . . Housing mounted sealing face members biased axially towards each other
370[Patents] . . Installation, removal, assembly, disassembly, or repair feature
371[Patents] . . . Unitized seal assembly (e.g., cartridge, etc.)
372[Patents] . . . . Having rotation prevention (i.e., antirotation) feature for the sealing face member
373[Patents] . . . . . Lug or rib
374[Patents] . . . . Retains opposed sealing face members
375[Patents] . . . . Mounted in housing or casing
376[Patents] . . . . . Snap fit into groove
377[Patents] . . Particular axial biasing feature
378[Patents] . . . Magnetic
379[Patents] . . . Particular spring feature
380[Patents] . . . . Made of elastomeric material
381[Patents] . . . . . Frustoconical shape
382[Patents] . . . . . O-ring shape
383[Patents] . . . . Imbedded in another material
384[Patents] . . . . Washerlike shape
385[Patents] . . . . Arrangement or location
386[Patents] . . . . . Radially biasing member creates axial bias
387[Patents] . . . Fluid pressure
388[Patents] . . . . Creates counter pressure
389[Patents] . . . . And bellows or diaphragm
390[Patents] . . Particular secondary mounting seal or driving connection
391[Patents] . . . Flexible sleeve, boot, or diaphragm
392[Patents] . . . . Between sealing face member and shaft or part relating to shaft
393[Patents] . . . . Particular connecting feature to sealing face member
394[Patents] . . . Peripheral radially sealing flexible projection (e.g., lip seal, etc.)
395[Patents] . . . . U- or V-shaped cross-sectional profile
396[Patents] . . . Axially compressed packing
397[Patents] . . . Frictionally engaged or interfitting projection and recess
398[Patents] . . Eccentric, gyratory, or oscillatory motion
399[Patents] . . Particular sealing face member configuration
400[Patents] . . . Hydrodynamic feature
401[Patents] . . . Fluid passage to the sealing face
402[Patents] . . . Flexible projection (e.g., lip seal, etc.)
403[Patents] . . . Angled or tapered sealing face
404[Patents] . . Made of particular material
405[Patents] . . . Ceramic
406[Patents] . . . Metal
407[Patents] . . . Elastomeric or plastic
408[Patents] . . Introduction, circulation, or removal of fluid
409[Patents] . Close proximity seal (e.g., contactless, fluent, etc.)
410[Patents] . . Magnetic
411[Patents] . . Gap or clearance
412[Patents] . . . Labyrinth
413[Patents] . . . . Having adjustable member
414[Patents] . . . . Formed by cellular pockets (e.g., honeycomb, etc.)
415[Patents] . . . . Having wear resistant, abradable, or ablative member
416[Patents] . . . . Segmented
417[Patents] . . . . Formed by multiple washers
418[Patents] . . . . Formed by plural grooves or projections on opposing surfaces
419[Patents] . . . . . Interfitting or overlapping
420[Patents] . . . . . . And axially oriented
421[Patents] . . . . Having installation, removal, assembly, disassembly, or repair feature
422[Patents] . . . Floating ring or bushing
423[Patents] . . Impeller (e.g., slinger, etc.)
424[Patents] . . . Rib or groove on radial extending surface
425[Patents] . . . And static sealing means affected by rotational movement
426[Patents] . . . . Actuated by counterweight
427[Patents] . . . Forms centrifugal liquid barrier
428[Patents] . . . . Having cup or chamber inside the impeller or another rotating member
429[Patents] . . . Fluid collector or receiver
430[Patents] . . . Helical groove or thread on axially extending surface
431[Patents] . . Formed by pressurized sealing fluid introduced to form barrier
432[Patents] . . . External device or system
433[Patents] . Centrifugal force affects change in displacement, shape, or contact
434[Patents] . Piston ring or piston ring expander or seat therefor
435[Patents] . . Having installation, removal assembly, disassembly, or repair feature
436[Patents] . . Piston ring having peripheral radially sealing flexible projection (e.g., piston cup, etc.)
437[Patents] . . . Having particular mounting, retaining, or supporting feature
438[Patents] . . . Having C, U, or V cross-sectional profile
439[Patents] . . . . Axially facing cup
440[Patents] . . Piston ring surface of dissimilar material or hardness
441[Patents] . . . Insert
442[Patents] . . . Surface coating, plating, or impregnation
443[Patents] . . . . Nitrided
444[Patents] . . . . Chromium
445[Patents] . . Rotation limiting feature (i.e., antirotation)
446[Patents] . . . Between rings
447[Patents] . . Floating piston ring
448[Patents] . . . Material other than metal
449[Patents] . . Particular piston seat
450[Patents] . . . Helical form
451[Patents] . . . Stepped walls
452[Patents] . . . Oblique wall
453[Patents] . . . . More than one oblique wall
454[Patents] . . . . . Having parallel walls
455[Patents] . . . Arcuate wall
456[Patents] . . . Coating, treatment, or wall insert
457[Patents] . . . Having passageway for fluid return, pressure relief, or venting
458[Patents] . . Piston ring having single piece noncircular or multiturn (e.g., helical, spiral, oblong, elliptical, polygonal, etc.) shape
459[Patents] . . Piston ring including exposed port, slot, pocket, groove, channel, recess, or bevel
460[Patents] . . . Circumferential groove, channel, recess, or bevel
461[Patents] . . . . Axially spaced
462[Patents] . . . . . Ports
463[Patents] . . . . Ports
464[Patents] . . . Circumferentially spaced ports
465[Patents] . . . Circumferentially spaced slots, pockets, grooves, channels, recesses, or bevels
466[Patents] . . Piston ring displays twisting or torsion
467[Patents] . . Particular piston ring expander
468[Patents] . . . Separate and other than metal
469[Patents] . . . Bias limiting feature
470[Patents] . . . Adjustable loading feature
471[Patents] . . . Thermal expansion feature
472[Patents] . . . Annular expander nested in annular groove of the piston ring
473[Patents] . . . . Between piston rings
474[Patents] . . . . And contacting surfaces therebetween are complementary
475[Patents] . . . . . Having more than one pair of such surfaces
476[Patents] . . . . Inclined or beveled groove contacting expander having dissimilar contour
477[Patents] . . . Slotted or undulating circular band including inclined or axially facing seat for the piston ring
478[Patents] . . . . Axially spaced axially facing seats
479[Patents] . . . . . Circular band having radially displaced undulations
480[Patents] . . . . . Circular band having axially displaced undulations
481[Patents] . . . . . U-shaped circular band radially directed either inwardly or outwardly throughout its circumference
482[Patents] . . . Circumferentially spaced separately seated radially acting bias feature
483[Patents] . . . . Disposed in socket or about pin
484[Patents] . . . Radially extending tongue formed from expander
485[Patents] . . . Undulating periphery providing axially extending face against inner perimeter of the piston ring
486[Patents] . . . Bias feature adjoining opposed ends of split or segmented piston ring
487[Patents] . . . Segmented
488[Patents] . . . For axially adjacent piston rings
489[Patents] . . Sectional piston ring structure
490[Patents] . . . Eccentric or variable thickness component ring
491[Patents] . . . C, L, T, U, V, or Z cross-sectional profile
492[Patents] . . . . Three or more sections
493[Patents] . . Segmented piston ring
494[Patents] . . Separate bridging piece for gap in piston ring
495[Patents] . . . Secured to end
496[Patents] . . Split single piece piston ring having opposed asymmetrical mirrored ends
497[Patents] . . . Arcuate or beveled mating surfaces
498[Patents] . . Split single piece piston ring having other than opposed asymmetrical mirrored ends
499[Patents] . . . Arcuate or beveled mating surfaces
500[Patents] . Circumferential contact seal for other than piston
501[Patents] . . And magnetic bias
502[Patents] . . For valve stem in internal combustion engine
503[Patents] . . Accommodates gyratory or oscillatory motion
504[Patents] . . . Flexible connection between seal and another part
505[Patents] . . . Oscillates perpendicularly to axis of motion
506[Patents] . . . Arcuate bearing surface
507[Patents] . . . . Partially spherical
508[Patents] . . . Axially spring biased
509[Patents] . . . . Coaxial spring
510[Patents] . . Contained or compressed by gland member in packing box
511[Patents] . . . Having installation, removal, assembly, disassembly, or repair feature
512[Patents] . . . Fluid introducer or director
513[Patents] . . . . External device or system
514[Patents] . . . . Drain, pressure relief, or vent
515[Patents] . . . . Passage through axial facing surface
516[Patents] . . . . Spacer between seals (e.g., lantern ring, etc.)
517[Patents] . . . . Between packing boxes
518[Patents] . . . Plural distinct packing boxes
519[Patents] . . . Segmented packing boxes
520[Patents] . . . Particular gland feature
521[Patents] . . . . Segmented
522[Patents] . . . . Spring bias
523[Patents] . . . . . Disposed about external bolt or stud
524[Patents] . . . . Eye or T-type bolt
525[Patents] . . . . Internally threaded
526[Patents] . . . . Externally threaded
527[Patents] . . . Wear sleeve
528[Patents] . . . Helically coiled packing
529[Patents] . . . Having particular cross-sectional seal profile
530[Patents] . . . . C-, M-, U-, V-, X-, or Z-shaped
531[Patents] . . . . Wedging surface
532[Patents] . . . . . Made of elastomer or plastic
533[Patents] . . . . . Segmented
534[Patents] . . . Particular seal material or construction
535[Patents] . . . . Composite
536[Patents] . . . . . Fibrous component
537[Patents] . . . . . . Braided, woven, or twisted
538[Patents] . . . . . Distinct sheath or covering
539[Patents] . . . . Graphite
540[Patents] . . . . Elastomer or plastic
541[Patents] . . . . Metal
542[Patents] . . . Consisting of loose-fill type packing
543[Patents] . . Segmented ring
544[Patents] . . . Having pressure balancing or radial bias reduction feature
545[Patents] . . . Radial biasing spring element other than nominal garter spring
546[Patents] . . . Particular segment end structure
547[Patents] . . . . Interfitting projection and recess
548[Patents] . . . Plural complementary interfitting rings
549[Patents] . . Peripheral radially sealing flexible projection (e.g., lip seal, etc.)
550[Patents] . . . Made of metal or is a scraper
551[Patents] . . . Having installation, removal, assembly, disassembly, or repair feature
552[Patents] . . . Having pressure relief or venting feature
553[Patents] . . . Bias feature other than nominal garter spring
554[Patents] . . . . Embedded spring
555[Patents] . . . . Radially extending finger spring
556[Patents] . . . . Material other than metal
557[Patents] . . . . Axially extending helical or spiral spring
558[Patents] . . . . Particular fluid pressure responsive bias
559[Patents] . . . Hydrodynamic sealing feature
560[Patents] . . . Dimensional aspect of the flexible projection (e.g., angle, length, radius, thickness, etc.)
561[Patents] . . . Intermediate flexible bending portion
562[Patents] . . . Plural peripheral radially sealing flexible projections
563[Patents] . . . . Having interposed fluid receiver or director
564[Patents] . . . . Having insert between the flexible projections
565[Patents] . . . . On radial facing side of single seal
566[Patents] . . . . . Both radial sides of the single seal (e.g., X-shaped, Y-shaped, etc.)
567[Patents] . . . . . Radially facing U or V cross-sectional profile
568[Patents] . . . . . Including an excluder or wiper
569[Patents] . . . Lining or insert
570[Patents] . . . Made entirely of fluorocarbon material
571[Patents] . . . Wear sleeve
572[Patents] . . . Particular mounting, frame, casing, or reinforcement feature
573[Patents] . . . . Peripheral mounting static seal
574[Patents] . . . . . Protrusion or bead cross-sectional profile
575[Patents] . . . . Secured by molding or bonding
576[Patents] . . . . Secured by clamping
577[Patents] . . . . . By distinct members
578[Patents] . . Having circumferentially adjustable biasing element
579[Patents] . . Having floating ring or bushing (i.e., circumferentially contacting)
580[Patents] . . . Radially translatable in groove
581[Patents] . . . . And biased
582[Patents] . . . Made of elastomer or plastic
583[Patents] . . . Inflatable seal or seal biased by inflatable member
584[Patents] . . Extrusion preventing (i.e., antiextrusion) structure
585[Patents] . . Elongated sleeve or bushing
586[Patents] . . Seated in groove having stepped walls
587[Patents] . . Seated in groove having oblique wall
589[Patents] . . Radially backed by resilient or elastomeric member
590[Patents]SEAL BETWEEN FIXED PARTS OR STATIC CONTACT AGAINST RELATIVELY MOVABLE PARTS
591[Patents] . Contact seal between parts of internal combustion engine
592[Patents] . . Particular coating or layer of sealing material
593[Patents] . . Having compression limiting feature
594[Patents] . . Particular dimensions or configuration of sealing bead or formation
595[Patents] . . . Metallic
596[Patents] . . . Elastomeric
597[Patents] . . Heat dissipating, cooling, or insulating feature
598[Patents] . . Having installation, removal, assembly, disassembly, or repair feature
599[Patents] . . Having flow restrictor
600[Patents] . . Covering member or eyelet for opening
601[Patents] . . . Covering fire ring or sealing formation
602[Patents] . Contact seal for a pipe, conduit, or cable
603[Patents] . . Plural interfitting seal members for installation on the individual joined pipes, conduits, or cables
604[Patents] . . Allows rolling or folding
605[Patents] . . Hollow, fluid-filled, or inflatable
606[Patents] . . And wall
607[Patents] . . Sleeve type
608[Patents] . . Inserted between end-to-end pipe, conduit, or cable joint
609[Patents] . . . Having installation, removal, assembly, disassembly, or repair feature
610[Patents] . . . Spirally wound structure
611[Patents] . . . Extrusion preventing (i.e., antiextrusion) or compression limiting feature
612[Patents] . . . Having plural projections
613[Patents] . . . Hose coupling
614[Patents] . . . Each end has recess for the seal
615[Patents] . . Having axially spaced projections
616[Patents] . . Having associated mounting or retaining feature
617[Patents] . . . Molded or cast into the pipe, conduit, or cable
618[Patents] . . . Axially related or embedded coil spring
619[Patents] . . . Axially related backing ring
620[Patents] . . . . Clamping gland
621[Patents] . . . . . Particular axially acting feature
622[Patents] . . . . . . Threaded gland
623[Patents] . . . . . Particular gland shape
624[Patents] . . . . And seal secure together
625[Patents] . . . Particular and located on the pipe, conduit, or cable
626[Patents] . . Particular seal shape
627[Patents] . . Particular seal material or construction
628[Patents] . Contact seal for other than internal combustion engine, or pipe, conduit, or cable
629[Patents] . . Magnetic
630[Patents] . . Having installation, removal, assembly, disassembly, or repair feature
631[Patents] . . Split including end joining structure
632[Patents] . . Segmented periphery
633[Patents] . . Spirally wound structure
634[Patents] . . Flexible sleeve, boot, or diaphragm
635[Patents] . . . Dome-, cup-, or bell-shaped, or for ball joint
636[Patents] . . . Tubular or frustoconical shape having corrugated wall portion
637[Patents] . . Having particular associated mounting or retaining feature
638[Patents] . . . Extrusion preventing (i.e., antiextrusion) structure
639[Patents] . . . Compression limiting feature
640[Patents] . . . Anchoring feature extending through seal
641[Patents] . . . Groove structure on the seal or part
642[Patents] . . . . Channel-shaped
643[Patents] . . . . Single seat formed by plural recesses
644[Patents] . . Particular cross-sectional seal profile
645[Patents] . . . Hollow or filled chamber
646[Patents] . . . . Inflatable
647[Patents] . . . C-, U-, or V-shaped
648[Patents] . . . Plural projections along sealing surface
649[Patents] . . . . Plural projections along opposite sealing surfaces
650[Patents] . . Particular sealing material or construction
651[Patents] . . . Embedded reinforcement
652[Patents] . . . Distinct sheath or covering
653[Patents] . . . . Metal
654[Patents] . . . Plural layers
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CROSS-REFERENCE ART COLLECTIONS
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902[Patents]SEAL FOR STERLING ENGINE
903[Patents]SEAL FOR ROTATING KILN OR DRUM
904[Patents]VISCOUS SEAL
905[Patents]T-SHAPED OR I-SHAPED RING MEMBER INCLUDING SEAL ON A SIDE
906[Patents]SEAL FOR ARTICLE OF INDEFINITE LENGTH (E.G., STRIP, SHEET, ETC.)
907[Patents]PASSAGEWAY IN ROD OR SHAFT
908[Patents]SEAL FOR USE IN ROTATING AND RECIPROCATING ARRANGEMENT
909[Patents]SIMILAR SEALING STRUCTURES FOR MOUNTING ON PISTON AND ABOUT ROD
910[Patents]O-RING SEAL
911[Patents]SEAL COMBINED WITH NOMINAL MOTION TRANSMITTING DEVICE
912[Patents] . Spline connection
913[Patents]SEAL FOR FLUID PRESSURE BELOW ATMOSPHERIC (E.G., VACUUM, ETC.)
914[Patents]BACKUP SEAL FOR FAILURE OF PRIMARY SEAL
915[Patents]SEAL INCLUDING COMPRESSION SET FEATURE
916[Patents]SEAL INCLUDING VIBRATION DAMPENING FEATURE
917[Patents]SEAL INCLUDING FRANGIBLE FEATURE
918[Patents]SEAL COMBINED WITH FILTER OR FLUID SEPARATOR
919[Patents]SEAL INCLUDING ELECTRICAL FEATURE
920[Patents]SEAL INCLUDING ELECTROMAGNETIC SHIELDING FEATURE
921[Patents]CLOSURE OR WEATHER STRIP SEAL
922[Patents]BONDING OR JOINING FOR MANUFACTURE OF SEAL
923[Patents] . Shrink-fitting for the assembly of seal
924[Patents]DEFORMATION, MATERIAL REMOVAL, OR MOLDING FOR MANUFACTURE OF SEAL
925[Patents]SNAP FIT FEATURE FOR MOUNTING OR ASSEMBLY OF SEAL
926[Patents]SEAL INCLUDING FLUID PRESSURE EQUALIZING OR BALANCING FEATURE
927[Patents]SEAL INCLUDING FLUID PRESSURE DIFFERENTIAL FEATURE
928[Patents]SEAL INCLUDING PRESSURE RELIEF OR VENT FEATURE
929[Patents]SEAL FEATURE WHERE CHANGE IN OPERATION OR CONDITION INDUCES ADDITIONAL LEAKAGE CONTROL
930[Patents]SEAL INCLUDING HEATING OR COOLING FEATURE
931[Patents]SEAL INCLUDING TEMPERATURE RESPONSIVE FEATURE
932[Patents] . Bi-metallic
933[Patents] . Chemical reaction or physical change of state
934[Patents]SEAL SWELLS WHEN WET
935[Patents]SEAL MADE OF A PARTICULAR MATERIAL
936[Patents] . Composite
937[Patents] . . Glass particles or filament
938[Patents] . . Carbon or graphite particle or filament
939[Patents] . Containing metal
940[Patents] . . Alloy
941[Patents] . . Aluminum or copper
942[Patents] . . Silver or gold
943[Patents] . Ceramic or glass
944[Patents] . Elastomer or plastic
945[Patents] . . Containing fluorine
946[Patents] . . . PTFE "TEFLON"
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FOREIGN ART COLLECTIONS
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Any foreign patents or non-patent literature from subclasses that have been reclassified have been transferred directly to FOR Collection listed below. These collections contain ONLY foreign patents or nonpatent literature. The parenthetical references in the Collection titles refer to the abolished subclasses from which these Collections were derived.
FOR 100RADIALLY CONTAINED PACKING WITH AXIALLY ACTING FOLLOWER (277/102)
FOR 101 . Piston (277/103)
FOR 102 . Sectional follower (277/104)
FOR 103 . Bolted flange (277/105)
FOR 104 . . Spring biased flange (277/106)
FOR 105 . With operating handle (277/107)
FOR 106 . With tool engaging means (277/108)
FOR 107 . Weight actuated (277/109)
FOR 108 . Screw thimble (277/110)
FOR 109 . . With locking means (277/111)
FOR 110 . Screw (277/112)
FOR 111 . With operating mechanism (277/113)
FOR 112 . Unidirectional movement (277/114)
FOR 113 . Tapered follower or box (277/115)
FOR 114 . . Arcuate (277/116)
FOR 115 . Axially related backup member raidally actuated by movement of follower (277/116.2)
FOR 116 . Telescoping actuator (277/116.4)
FOR 117 . . With inserted sleeve expander (277/116.6)
FOR 118 . . Deflected packing (277/116.8)
FOR 119 . Wedging surfaces (277/117)
FOR 120 . . Internal shell (277/118)
FOR 121 . . Split or segmental packing (277/119)
FOR 122 . . . Expanding and contracting (277/120)
FOR 123 . . . . Elastomeric (277/121)
FOR 124 . . . Contracting (277/122)
FOR 125 . Plural packing elements (277/123)
FOR 126 . . Nested (277/124)
FOR 127 . . Diverse (277/125)
FOR 128EXTERNALLY OPERATED ADJUSTMENT (277/126)
FOR 129 . Fluid motor (277/127)
FOR 130 . Circumferential band (277/128)
FOR 131 . Acting along radius (277/129)
FOR 132LATERAL ACCESS TO PACKING BOX (277/130)
FOR 133 . With distinct closure (277/131)
FOR 134 . . Packing attached (277/132)
FOR 135IMPELLER TYPE (277/133)
FOR 136 . Axially acting(277/134)
FOR 137LIQUID BARRIER (277/135)
FOR 138WITH ANTIROTATION KEY OR ANCHOR (277/136)
FOR 139 . Radial wall(277/137)
FOR 140WITH DISTINCT RADIALLY ACTING BIAS(277/138)
FOR 141 . Unitary packing spacer and bias means (277/139)
FOR 142 . . U-section (277/140)
FOR 143 . Common bias for axially spaced packings (277/141)
FOR 144 . With axially acting bias means (277/142)
FOR 145 . With axially component (277/143)
FOR 146 . . Complementary inclined surfaces (277/144)
FOR 147 . . . Transversely symmetrical (277/145)
FOR 148 . With bias restrainer (277/146)
FOR 149 . With adjustable loading means (277/147)
FOR 150 . Individually biased segments (277/148)
FOR 151 . Circumferentially spaced radially acting springs (277/149)
FOR 152 . . With radial pin or socket (277/150)
FOR 153 . Circumferential thrust (277/151)
FOR 154 . Axial lip or boss (277/152)
FOR 155 . . Exposed coil spring (277/153)
FOR 156 . Interfitted segments (277/154)
FOR 157 . With bridging segments (277/155)
FOR 158 . Break joint (277/156)
FOR 159 . Periphery engaging spring (277/157)
FOR 160 . . Incompatible shapes (277/158)
FOR 161 . . . Radially extending tongues (277/159)
FOR 162 . . . Wave or undulate (277/160)
FOR 163 . . . Polygonal (277/161)
FOR 164 . . Open-end (277/162)
FOR 165 . . Spiral (277/163)
FOR 166 . Embedded or enclosed spring (277/164)
FOR 167 . Nonmetallic (277/165)
FOR 168ANCHOR EXTENDING THROUGH OR INTERFITTED WITH PACKING (277/166)
FOR 169HELICAL SEAT (277/167)
FOR 170SERIALLY ARRANGED, SEPARATELY SEATED OR ANCHORED PACKING MEMBERS (277/167.3)
FOR 171SINGLE SEAT FORMED BY OPPOSED RECESSES IN PLURAL MEMBERS (277/167.5)
FOR 172LATITUDINALLY STEPPED OR TAPERED SEAT (277/168)
FOR 173 . Arcuate wall (277/169)
FOR 174 . Oblique wall (277/170)
FOR 175 . . Plural (277/171)
FOR 176 . . . Parallel (277/172)
FOR 177FLOATING PACKING MEMBER (277/173)
FOR 178 . Radially translatable (277/174)
FOR 179 . . Axially spring pressed (277/175)
FOR 180 . Additional member (277/176)
FOR 181 . Elastomeric (277/177)
FOR 182INTERFITTING WITH RADIALLY PROJECTING FLANGE (277/178)
FOR 183EMBEDDED REENFORCEMENT OPPOSING TAPERED MOUNTED SURFACE (277/179)
FOR 184WITH COMPRESSION STOP (277/180)
FOR 185PACKING ATTACHED RETAINER (277/181)
FOR 186 . Peripheral shell (277/182)
FOR 187 . . With radial mounting flange (277/183)
FOR 188 . . Channel-shaped (277/184)
FOR 189 . Plural at axially opposed ends (277/185)
FOR 190 . Resilient (277/186)
FOR 191PACKING CHAMBER OR SEAT WITH SEPARABLE END WALL (277/187)
FOR 192WITH AXIALLY RELATED BACKING OR RETAINING MEMBER (277/188 R)
FOR 193 . With anti-extrusion rings (277/188 A)
FOR 194WITH ANCHOR OR RETAINER (277/189)
FOR 195COMPOSITE SEAT (277/189.5)
FOR 196WEDGING PORTIONS (277/190)
FOR 197 . Enclosed (277/191)
FOR 198SEGMENTAL (277/192)
FOR 199 . Axially related segments (277/193)
FOR 200 . . L-shaped (277/194)
FOR 201 . . With radially related segment (277/195)
FOR 202 . . Coiled or corrugated segment (277/196)
FOR 203 . . Diametrically opposed splits (277/197)
FOR 204 . Concentric segments (277/198)
FOR 205 . Interfitting segments (277/199)
FOR 206AXIALLY SPACED FLANGES WITH CORRUGATED CONNECTING WEB (277/200)
FOR 207ANNULUS WITH DUCT OR PASSAGEWAY (277/201)
FOR 208 . Elongated (277/202)
FOR 209HELICAL (277/203)
FOR 210VOLUTE (277/204)
FOR 211FLEXIBLE U- OR V-CUP (277/205)
FOR 212 . Radially facing (277/206 R)
FOR 213 . . X-shape (277/206 A)
FOR 214RIBBED CONTACT SURFACE (277/207 R)
FOR 215 . Axially spaced (277/208)
FOR 216 . . Opposite surfaces (277/209)
FOR 217 . . . Line contact (277/210)
FOR 218 . Opposite surfaces (277/211)
FOR 219 . Pipe joints or connections (277/207 A)
FOR 220FLEXIBLE CUP OR FLANGE TYP(277/212R)
FOR 221 . Flexible cup type (277/212 C)
FOR 222 . Flange (277/212 F)
FOR 223 . Flexible boot (277/212 FB)
FOR 224CORRUGATED CONTACT SURFACE (277/213)
FOR 225CIRCUMFERENTIAL GROOVE IN PERIPHERAL SURFACE (277/214)
FOR 226WITH SPACED POCKETS, GROOVES, OR RECESSES (277/215)
FOR 227SPLIT ANNULUS (227/216)
FOR 228 . Variable radius (277/217)
FOR 229 . With separate gap or bridging piece (277/218)
FOR 230 . . End secured (277/219)
FOR 231 . With joining structure (277/220)
FOR 232 . . End-to-end tongue and slot (277/221)
FOR 233 . . Beveled or arcuate mating surfaces (277/222)
FOR 234 . With insert (277/223)
FOR 235 . . Hard material (277/224)
FOR 236WITH INTERMEDIATE RADIAL PERIPHERAL FLANGE (277/225)
FOR 237FLUENT OR VACUUM CORE (277/226)
FOR 238COMPOSITE (277/227)
FOR 239 . Elastomeric core (277/228)
FOR 240 . Distinct sheath (277/229)
FOR 241 . . Woven or braided strands (277/230)
FOR 242 . Reentrant contact surface (277/231)
FOR 243 . . Enclosing plural plies (277/232)
FOR 244 . Plural planar or conical plies (277/233)
FOR 245 . . Metal faced (277/234)
FOR 246 . Including metal (277/235 R)
FOR 247 . . Planar coating (277/235 A)
FOR 248 . . Engine gasket (277/235 B)
FOR 249METALLIC (277/236)
FOR 250MISCELLANEOUS (277/237 R)
FOR 251 . Dust guard (277/237 A)


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Last Modified: 6 October 2000