CLASS 266, METALLURGICAL APPARATUS |
44 | PROCESS: |
This subclass is indented under the class definition. Methods of operating metallurgical apparatus which are solely
directed to those steps of operating such an apparatus which do
not effect a chemical or physical change in the work being treated.
SEE OR SEARCH CLASS:
| |||||||||
45 | . Plugging or tapping: |
This subclass is indented under subclass 44. Method for closing or opening apertures in the walls of
metallurgical apparatus.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||
46 | . Cooling: |
This subclass is indented under subclass 44. Method for maintaining the temperature of a metallurgical
apparatus or some portion thereof within a desired range.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||
47 | . Tuyere operation: |
This subclass is indented under subclass 44. Method for operating short tubular means adapted to be mounted
in wall of a metallurgical apparatus for injecting fluents therein.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||
48 | MEANS FOR CUTTING SOLID METAL WITH HEAT, E.G., BLOWPIPES: |
This subclass is indented under the class definition. Device including means for severing a metal or removing
a portion thereof with a flame by supplying an excess of oxygen
to the heated metal.
SEE OR SEARCH CLASS:
| |||||||||||||
49 | . With waste entrapping fluid: |
This subclass is indented under subclass 48. Device including gas or liquid means for collecting or ensnaring refuse material generated by the flame cutting of the workpiece. | |
50 | . Means for cutting continuously cast workpieces: |
This subclass is indented under subclass 48. Device including means for severing or removing a portion
of a workpiece as it emerges from a continuous casting facility.
SEE OR SEARCH CLASS:
| |||
51 | . Means for removing surface material, e.g., scarfing: |
This subclass is indented under subclass 48. Device wherein means are provided to cut defects from the
face of a workpiece.
SEE OR SEARCH CLASS:
| |||
52 | .. Having means to simultaneously scarf multiple sides of a workpiece: |
This subclass is indented under subclass 51. Device including a multiplicity of cutting torches arranged such that their flames concurrently impinge against plural faces of an article to remove surface defects therefrom. | |
53 | .. Having workpiece-contacting cutting means spacer: |
This subclass is indented under subclass 51. Device including a means adapted to engage the face of the workpiece to position the torch means a predetermined distance therefrom. | |
54 | . With means for cutting tubular workpiece: |
This subclass is indented under subclass 48. Device including a means adapted to sever a pipe-like article.
SEE OR SEARCH CLASS:
| |||
55 | .. Having torch mount secured within workpiece: |
This subclass is indented under subclass 54. Device wherein the torch supporting means is attached to the interior of the tubular article. | |
56 | .. Having means to circumrotate torch about workpiece: |
This subclass is indented under subclass 54. Device including means to propel the severing means over
and around the peripheral surface of the tubular article.
SEE OR SEARCH CLASS:
| |||
57 | .. With means to rotate workpiece: |
This subclass is indented under subclass 54. Device including means to revolve the tubular article about its longitudinal axis. | |
58 | . With pattern control means: |
This subclass is indented under subclass 48. Device having means for storing operating instructions which
means cause the cutting means to move in a predetermined path.
SEE OR SEARCH CLASS:
| |||||||
59 | .. With tape-control means: |
This subclass is indented under subclass 58. Device wherein the stored operating instructions are contained
on a ribbon-like memory.
SEE OR SEARCH CLASS:
| |||
60 | .. With automatic line-follower means: |
This subclass is indented under subclass 58. Device wherein the information storing means includes a
planer surface having a control pattern inscribed thereon and means
are provided to scan said surface to sense and follow the outline
of the pattern.
| |||
61 | .. With means to rotate workpiece: |
This subclass is indented under subclass 58. Device including means revolving the workpiece about an axis. | |
62 | .. Having articulated arm supporting torch: |
This subclass is indented under subclass 58. Device including a means for holding the cutting means having a plurality of segments pivotally joined to one another. | |
63 | ... With pantograph arm means: |
This subclass is indented under subclass 62. Device having plural arms pivotally interconnected for parallel movement. | |
64 | .. Having spaced, superposed templet: |
This subclass is indented under subclass 58. Device wherein the information storing means includes a patterning cam which is located above and out of contact with the piece to be cut. | |
65 | . With work supporting grate means: |
This subclass is indented under subclass 48. Device wherein a lattice-type surface is provided which holds the article to be cut against the effects of gravity. | |
66 | . Hand held, work riding torch: |
This subclass is indented under subclass 48. Device wherein the torch includes means by which an operator can engage the torch to manipulate and partially support the same and wherein the supporting structure is adapted to travel upon the surface of the work being cut. | |
67 | . With wheeled carriage torch mount: |
This subclass is indented under subclass 48. Device wherein the cutting means is carried by a supporting means which is provided with wheels. | |
68 | .. Having work contacting torch spacing means: |
This subclass is indented under subclass 67. Device including a means adapted to engage the face of the workpiece to position the blow pipe a predetermined distance therefrom. | |
69 | .. With work-spanning torch mount: |
This subclass is indented under subclass 67. Device wherein the wheeled supporting means is adapted to extend across the workpiece, having the supporting wheels engaging surfaces adjacent to opposite sides of the workpiece. | |
70 | . Circle cutter: |
This subclass is indented under subclass 48. Device provided with means constraining the cutting means to follow an accurate path. | |
71 | . Having torch solely supported by workpiece: |
This subclass is indented under subclass 48. Device wherein the cutting means is provided with supporting structure which is adapted to entirely rest upon and be exclusively sustained by a surface of the work. | |
72 | . With cantilevered arm torch support: |
This subclass is indented under subclass 48. Device wherein the cutting means is supported on a projecting structure which is supported at only one end. | |
73 | .. Having carriage-supported cantilevered arm: |
This subclass is indented under subclass 72. Device wherein the projecting structure is in turn carried by a mobile mount. | |
74 | . Having adjuvant material feed: |
This subclass is indented under subclass 48. Device wherein means are provided to supply material which will enhance the cutting operation. | |
75 | .. Solid material: |
This subclass is indented under subclass 74. Device wherein the material supplied is in the form of discrete
units of hard matter.
| |||
76 | . Having torch spacing means: |
This subclass is indented under subclass 48. Device including means for controlling the position of the cutting means with respect to the workpiece surface in response to variations in the distance between the cutting means and said surface. | |
77 | . With torch mounting means: |
This subclass is indented under subclass 48. Device including means adapted to affix the cutting means to its supporting means. | |
78 | WITH CONTROL MEANS RESPONSIVE TO SENSED CONDITION: |
This subclass is indented under the class definition. Device wherein the treating apparatus is provided with means
to regulate the operation of the apparatus which means react to
means which perceive a characteristic or a change in a characteristic
of either the treated material or the treating apparatus.
SEE OR SEARCH CLASS:
| |||
79 | . By treated material sampling means: |
This subclass is indented under subclass 78. Device wherein the control means reacts to means measuring a characteristic of a specimen taken from the work. | |
80 | . With analyzer or computation means: |
This subclass is indented under subclass 78. Device wherein (a) the control means is responsive to means
which determine the chemical composition of the treated material
or a by-product of the treatment or (b) information from the sensors
is fed to an information storage device wherein additional information is
determined, which additional information is then utilized to control
the treatment.
| |||
81 | . With means supplying a treating agent: |
This subclass is indented under subclass 78. Device wherein means are provided for the controlled addition of a solid, liquid, or gaseous substance to the treating apparatus, which substance then reacts with the material contained therein. | |
82 | .. Correlated flow of diverse fluents: |
This subclass is indented under subclass 81. Device wherein means are provided for proportioning the
supply of a multiplicity of streams based upon a condition sensed
in any of the streams or in the treating apparatus.
SEE OR SEARCH CLASS:
| |||
83 | ... With flow rate sensor: |
This subclass is indented under subclass 82. Device wherein the control means is responsive to means
which perceive the amount or volume of the fluent flowing through
the apparatus in a given time.
SEE OR SEARCH CLASS:
| |||
84 | ... With means sensing moisture content: |
This subclass is indented under subclass 82. Device wherein means are provided which are responsive to the perceived humidity of one of the streams. | |
85 | .. Individual control of diverse inputs: |
This subclass is indented under subclass 81. Device wherein means are provided for the control of a plurality of fluent-supply means, each of which has a condition-responsive flow regulating means therein, whereby the volume or flow rate of each stream can be independently regulated in response to a sensed condition. | |
86 | .. By means positioning dispenser: |
This subclass is indented under subclass 81. Device wherein means are provided to control the attitude or displacement of the means supplying the treating agent to the treating apparatus, e.g., a lance height control apparatus. | |
87 | . With temperature sensor: |
This subclass is indented under subclass 78. Device wherein the control means is responsive to a variation
in sensible heat.
SEE OR SEARCH CLASS:
| |||||||
88 | .. In a fluid: |
This subclass is indented under subclass 87. Device wherein the control means is responsive to the sensed temperature of a fluid, e.g., gas, liquid, bath of molten metal. | |
89 | . With pressure sensor: |
This subclass is indented under subclass 78. Device wherein the control means is responsive to a variation
in the force per unit area existing within the treating apparatus
or in lines connected thereto.
SEE OR SEARCH CLASS:
| |||||
90 | . With means responsive to condition of treated material: |
This subclass is indented under subclass 78. Device wherein the control means reacts to means sensing
a physical, chemical, or mechanical characteristic of the work.
SEE OR SEARCH CLASS:
| |||
91 | .. By means sensing weight or density of work: |
This subclass is indented under subclass 90. Device wherein the control means is responsive to (a) the mass of treated material at a specified location on the treating apparatus or (b) the mass per unit volume of treated material at a specified position in the treating apparatus. | |
92 | .. By means sensing position of work: |
This subclass is indented under subclass 90. Device wherein the control means is responsive to the attitude
of the treated material.
| |||
93 | ... By means sensing presence or absence of work: |
This subclass is indented under subclass 92. Device wherein the control means is responsive to the entrance
or exit of the treated material from a particular position in the
apparatus.
| |||
94 | ... By means sensing level of molten liquid: |
This subclass is indented under subclass 92. Device wherein the control means is responsive to means perceiving the surface of a molten material in a container. | |
95 | .... By float means: |
This subclass is indented under subclass 94. Device wherein the surface-sensing means incorporates a buoyant-sensing means. | |
96 | WITH PROGRAMMED, CYCLIC, OR TIME RESPONSIVE CONTROL MEANS: |
This subclass is indented under the class definition. Device wherein the control means is provided with (a) means
for storing coded instructions or other data necessary to regulate
the operation of the treating apparatus, (b) means repetitively
regulating the sequence of operational steps performed in or by
the treating apparatus or, (c) means for determining the time at
which an operation occurs or length of time taken to perform such
an operation.
SEE OR SEARCH CLASS:
| |||||
97 | . By timer: |
This subclass is indented under subclass 96. Device wherein the control means is provided with means for controlling the time at which an operation occurs or the length of time in which said operation is performed. | |
98 | .. Having driven disk or drum: |
This subclass is indented under subclass 97. Device wherein the timer includes a rotatable, cylindrical, or circular member and an associated information pick-up means, which member is provided with means storing the information necessary to control the operation of the apparatus such that control signals are generated through the interaction of the rotated member and the associated pick-up means. | |
99 | WITH RECORDING, INDICATING, INSPECTION OR MEASURING MEANS: |
This subclass is indented under the class definition. Device wherein means are provided which (a) automatically
make a permanent record of selected events occurring during the operation
of said device, (b) display information concerning the condition
of the device or a material therein, (c) provide for the examination
of selected portions of the device or material therein, or (d) gauge
or otherwise determine a physical, chemical, or electrical characteristic
or property of the device or material therein.
SEE OR SEARCH CLASS:
| |||
100 | . Having observation means: |
This subclass is indented under subclass 99. Device wherein means are provided for the visual examination of a portion of the device. | |
101 | HAVING MEANS FOR LEACHING AND SUBSEQUENTLY PRECIPITATING A METAL: |
This subclass is indented under the class definition. Device wherein a means for extracting a metal from an ore
or concentrate is provided having first means for contacting the
ore or concentrate with a suitable solvent, and second means for
rendering the dissolved metal insoluble in its carrier solvent.
SEE OR SEARCH CLASS:
| |||||||
102 | MEANS TREATING A CONTINUUM OF WORK: |
This subclass is indented under the class definition. Device wherein either (a) a plurality of discrete articles
are joined together so as to form an uninterrupted supply or (b)
an object of indeterminate length is fed into a zone wherein the
articles or object is operated on to enhance the physical, metallurgical,
or chemical properties thereof.
SEE OR SEARCH CLASS:
| |||||||||||
103 | . With heating means: |
This subclass is indented under subclass 102. Device wherein means are provided to elevate the temperature
of the object being treated.
SEE OR SEARCH CLASS:
| |||||
104 | .. By joule effect: |
This subclass is indented under subclass 103. Device wherein a plurality of electrical contacts physically
bear against the object to be treated and the object is heated by
passing an electric current through that portion of the object located
between the contacts.
SEE OR SEARCH CLASS:
| |||
105 | .. Discrete article continuum: |
This subclass is indented under subclass 103. Device wherein the object being treated consists of a multiplicity of individual units or blanks which are fastened together by removable clips, or the like, to form a continuous composite article for treatment. | |
106 | .. Overlapped planar coil: |
This subclass is indented under subclass 103. Device wherein the object being treated is formed into looped coils which lie in a substantially horizontal plane. | |
107 | .. In a molten material bath: |
This subclass is indented under subclass 103. Device wherein the heating means comprises a body of molten
material, e.g., lead bath or salt bath.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
108 | .. In a muffle furnace: |
This subclass is indented under subclass 103. Device wherein the object is heated by passing it through a heated receptacle having means therein to maintain the object out of direct contact with any source of heat or gases evolved thereby. | |
109 | .. With cooling by contact with solid heat sink: |
This subclass is indented under subclass 103. Device wherein the heated object is further treated by physically contacting it with a solid object which is at a lower temperature than the heated object. | |
110 | .. In specific environment, e.g., vacuum: |
This subclass is indented under subclass 103. Device wherein means are provided to introduce, maintain, or generate a particular gaseous atmosphere within a chamber wherein an object is treated. | |
111 | .. With fluid contact means: |
This subclass is indented under subclass 103. Device wherein the heated object is further treated by the
application of a liquid or gaseous medium to the object.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||
112 | ... In liquid bath: |
This subclass is indented under subclass 111. Device wherein the fluid medium is a body of liquid, e.g., water or oil. | |
113 | ... In liquid spray: |
This subclass is indented under subclass 111. Device wherein the fluid medium is a projected liquid. | |
114 | HAVING MEANS FOR CONTACTING A SOLID METALLIFEROUS MATERIAL OR METAL OBJECT WITH A LIQUID: |
This subclass is indented under the class definition. Device wherein an apparatus is provided for treating either
a metallic article or a metal bearing ore which is in a hardened
form by applying a liquid thereto.
SEE OR SEARCH CLASS:
| |||||||||||
115 | . With means changing the shape of a treated object, e.g., roller means: |
This subclass is indented under subclass 114. Device including means to alter the configuration of the
object to be treated prior to or during the liquid contact.
SEE OR SEARCH CLASS:
| |||
116 | .. Spring shaping means: |
This subclass is indented under subclass 115. Device wherein the object having its configuration altered is an elastic body. | |
117 | . With means to prevent warping of treated object: |
This subclass is indented under subclass 114. Device including means for constraining the object being treated to prevent any unwanted deformation thereof which might result from the liquid contact. | |
118 | .. Of a gear wheel: |
This subclass is indented under subclass 117. Device wherein the constraining means is configured to retain castellated cylindrical bodies. | |
119 | .. With heating of object: |
This subclass is indented under subclass 117. Device wherein means are provided to increase the temperature of the treated article thereby enhancing the grain structure and reducing stress within the treated article (e.g., tempering). | |
120 | . By immersing an article to be treated in bath of molten material, e.g., salt bath: |
This subclass is indented under subclass 114. Device wherein the contacting apparatus includes a tank
containing a liquid made from melted, normally solid matter, e.g.,
salts.
SEE OR SEARCH CLASS:
| |||||
121 | . With heating means, e.g., flame contact: |
This subclass is indented under subclass 114. Device further including means to raise the temperature
of the work prior to, during, or after the work has been contacted
with the liquid.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||
122 | .. By means treating metalliferous materials, e.g., ores: |
This subclass is indented under subclass 121. Device wherein the heating means and the liquid-contact
means are particularized to operate on metal bearing matter to remove
unwanted constituents from said matter.
SEE OR SEARCH CLASS:
| |||
123 | .. By heating means adapted to be inserted into a hollow object: |
This subclass is indented under subclass 121. Device wherein the heating means is configured to pass into
or through a cavity or passage formed in the article to be treated.
SEE OR SEARCH CLASS:
| |||||
124 | .. By means heating selected areas of an object: |
This subclass is indented under subclass 121. Device wherein the heating means is specialized to effect
heating of only certain zones on the surface of the article to be
treated.
SEE OR SEARCH CLASS:
| |||||
125 | ... By means specialized to heat an article having an irregular contour (e.g., cams, gears): |
This subclass is indented under subclass 124. Device wherein the heating means is particularized to effect
heating selected areas on the surface of objects having a nonuniform
or a discontinuous surface or profile.
SEE OR SEARCH CLASS:
| |||||
126 | .... By heating means configured to fit between adjacent gear teeth: |
This subclass is indented under subclass 125. Device wherein the heating means is specialized for heating
power transmission elements which have castellated power transmitting
surfaces, and wherein the heating means has a profile allowing it
to be inserted between adjoining castellations.
SEE OR SEARCH CLASS:
| |||||
127 | .. Unitized heating and fluid contact means: |
This subclass is indented under subclass 121. Device wherein the heating and the fluid-contact means either
are formed as a single treating member or are so closely juxtaposed
that they constitute a unitary treating member.
| |||
128 | .. By electric heating means: |
This subclass is indented under subclass 121. Device wherein the heat to treat the material is produced
by a current passing through a conductive medium.
SEE OR SEARCH CLASS:
| |||
129 | ... Inductance type: |
This subclass is indented under subclass 128. Device wherein the heating means include means to impress a fluctuating magnetic field across the workpiece to be treated, which field causes current to pass through and heat said workpiece. | |
130 | .. Having bath for contacting the work with liquid: |
This subclass is indented under subclass 121. Device wherein the means for contacting the work with a liquid includes a receptacle which confines a body of liquid into which the work is dipped or immersed. | |
131 | ... With means to agitate or control temperature of bath: |
This subclass is indented under subclass 130. Device wherein means are provided for (a) generating a current
within the liquid body or (b) adding, removing, or otherwise changing the
heat content of the liquid body.
SEE OR SEARCH CLASS:
| |||
132 | ... Having work introducing elevator: |
This subclass is indented under subclass 130. Device wherein a vertically moving support is provided, which support partakes of a generally straight up and down motion to lower the work into and subsequently raise it out of the bath. | |
133 | ... Having means to move work through bath: |
This subclass is indented under subclass 130. Device wherein means are provided for conveying the work
through the body of liquid.
SEE OR SEARCH CLASS:
| |||
134 | . By means contacting only selected areas of treated article with liquid: |
This subclass is indented under subclass 114. Device wherein the apparatus is so arranged or additional
means are provided to insure that the liquid contact with the object
to be treated will be restricted to only a certain pre-established section
of said object.
| |||
135 | WITH CLEANING OR LUBRICATING MEANS: |
This subclass is indented under the class definition. Device wherein means are provided for (a) removing accumulations
of unwanted material which are deposited on or in the device during
the operation of same or (b) the introduction of an anti-friction
agent, e.g., oil, into or on the device.
SEE OR SEARCH CLASS:
| |||
136 | . Fluid injector cleaner: |
This subclass is indented under subclass 135. Device wherein means are provided for removing unwanted accumulations from a fluid nozzle, e.g., tuyere punches. | |
137 | WITH MEANS TO COMMINUTE OR DISINTEGRATE SOLIDS: |
This subclass is indented under the class definition. Device having means to break up or reduce the size of an
individual unit of hard matter.
SEE OR SEARCH CLASS:
| |||||
138 | WITH MEANS TO PREHEAT GAS: |
This subclass is indented under the class definition. Device having means to elevate the temperature of a gas
or vapor supplied to a treating vessel prior to the entry of the
gas into the treating zone.
SEE OR SEARCH CLASS:
| |||||
139 | . Having heat storage means, e.g., checkers, stroves: |
This subclass is indented under subclass 138. Device including means adapted to receive and retain heat
energy and thereafter give up said energy to a gas flowing therepast
to raise the temperature of the gas.
SEE OR SEARCH CLASS:
| |||||
140 | . By heat generating means: |
This subclass is indented under subclass 138. Device wherein the means to elevate the temperature of the gas includes means in addition to the heating means for the treating vessel for producing heat energy by a chemical reaction, e.g., combustion, or by the transformation of some other form of energy into heat energy, e.g., electric resistance-type heaters. | |
141 | . By remote heat exchanger: |
This subclass is indented under subclass 138. Device wherein the means to elevate the temperatures of
the incoming gas includes means physically separated from the treating
vessel, which means effects a transfer of heat from a material at
a relatively high temperature to the relatively cool incoming gas.
SEE OR SEARCH CLASS:
| |||
142 | GEOGRAPHIC OR STRUCTURAL INSTALLATION: |
This subclass is indented under the class definition. Device wherein (a) a work-processing device is related either
to some feature of the earth or to a definable building feature,
e.g., a hall, or (b) a plurality of such devices are arranged so
as to form a specific machinery layout.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||||
143 | . Having refining vessel with travelling support: |
This subclass is indented under subclass 142. Device wherein the structural or geographic installation
is provided with a means for treating a molten metal having a support
means which mounts the treating means for movement from one location
to another within the installation.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||
144 | WITH MEANS TREATING OR HANDLING GASES EXHAUSTED BY TREATING MEANS: |
This subclass is indented under the class definition. Device wherein the metallurgical apparatus is provided with
means for (a) removing fumes and the like from the apparatus, (b)
conditioning such fumes to either remove valuable components, e.g.,
gaseous mercury or render the fumes less objectionable to the environment,
e.g., pollution abatement devices, or (c) to extract heat energy
from the fumes.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||||
145 | . Having means to treat or handle gases evolving from rotary furnace: |
This subclass is indented under subclass 144. Device wherein the gas handling or treating means are specialized
to receive fumes from a furnace adapted to rotate through more than 360
degrees.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||||||
146 | . By contacting gas with nonmetallic liquid: |
This subclass is indented under subclass 144. Device including means specialized to commingle or otherwise
encounter the fumes with a nonmetallic liquid medium.
SEE OR SEARCH CLASS:
| |||
147 | .. By liquid spraying: |
This subclass is indented under subclass 146. Device wherein the commingling means is a shower of liquid through which the fumes flow. | |
148 | . By condensing and collecting a volatile constituent: |
This subclass is indented under subclass 144. Device including means specialized to receive vaporized
material and cause said vaporized material to undergo a phase change
to the solid or liquid state.
SEE OR SEARCH CLASS:
| |||||
149 | .. Within evacuated chamber: |
This subclass is indented under subclass 148. Device wherein said phase change is effected within a vacuum environment. | |
150 | .. Having molten metal splashing means: |
This subclass is indented under subclass 148. Device wherein means are provided to hurl molten metal into the path of the evolved gas to condense metallic vapors contained therein. | |
151 | .. By cascading material evolving the gas: |
This subclass is indented under subclass 148. Device wherein the material from which the vapor is generated is caused to flow in a descending stepped path. | |
152 | .. By indirect liquid heat exchange means: |
This subclass is indented under subclass 148. Device wherein the vaporized material gives up its heat of vaporization to a body of liquid which is physically separated therefrom by a structural member, e.g., a wall, a tube, etc. | |
153 | .. Having retort condenser: |
This subclass is indented under subclass 148. Device wherein a heating means is provided which is adapted to contain and externally heat a vessel which holds a discrete charge of material to be treated and wherein means are mounted on and carried by the vessel to liquefy or solidify vapors evolved in the vessel. | |
154 | .. Vertical shaft furnace: |
This subclass is indented under subclass 148. Device wherein the vapors are evolved from an elongated chamber, the major axis of which is substantially perpendicular to the horizon and through which the vapor generating material is moved by the effects of gravity. | |
155 | . With heat exchanger, e.g., waste heat boiler: |
This subclass is indented under subclass 144. Device including means specialized to remove heat from the
evolved gas by means of an indirect heat exchanger.
SEE OR SEARCH CLASS:
| |||
156 | . By means recycling exhaust gas: |
This subclass is indented under subclass 144. Device wherein a portion of the evolved gas is returned to the metallurgical apparatus. | |
157 | . By separating particles from evolved gas: |
This subclass is indented under subclass 144. Device wherein the fume treating or handling means includes
means to remove particulate matter suspended in the exhausting fumes
from the fumes.
SEE OR SEARCH CLASS:
| |||||
158 | . Hood: |
This subclass is indented under subclass 144. Device wherein the gas-handling means includes an inverted,
generally funnel-shaped fume collecting member which is disposed above
and in unattached, juxtaposed relation with the metallurgical apparatus.
SEE OR SEARCH CLASS:
| |||||
159 | . Offtake: |
This subclass is indented under subclass 144. Device wherein the gas handling means includes fume conducting means connected to the fume outlet of a metallurgical apparatus, which conducting means conveys the fumes away from said apparatus. | |
160 | COMBINED OR CONVERTIBLE: |
This subclass is indented under the class definition. Device (a) including means in addition to the basic metallurgical apparatus for performing some additional nonmetallurgical operation or for perfecting the operation of the basic metallurgical apparatus or (b) which can by an addition, removal, or rearrangement of one or more of its parts be caused to have a different mode or condition of operation. | |
161 | MEANS FOR EXTRACTING AND REFINING METAL: |
This subclass is indented under the class definition. Device comprising a means to treat an ore or other metal bearing material to remove a metal therefrom, combined with additional means to purify or otherwise treat the removed metal. | |
162 | . With separate refining zone: |
This subclass is indented under subclass 161. Device wherein a distinct region or chamber is provided
within which the metal purification or treatment occurs.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
163 | .. With rotating heating vessel: |
This subclass is indented under subclass 162. Device including an extracting or refining means adapted to revolve about it longitudinal axis. | |
164 | .. With heated vertical extracting means: |
This subclass is indented under subclass 162. Device wherein the means to extract the metal comprises a treating chamber within which the temperature of the material to be treated is elevated and the longitudinal axis of which is generally normal to the horizon. | |
165 | AMBULANT VESSEL: |
This subclass is indented under the class definition. Device wherein the metallurgical apparatus includes a vehicle
mounted receptacle.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||
166 | TREATING VESSEL WITH DISTINCT MOLTEN MATERIAL HOLDING MEANS, E.G., FOREHEARTH: |
This subclass is indented under the class definition. Device wherein a means to treat a metalliferous or a metallic material is provided with a separate additional substantially nonambulant storage receptacle or a separate additional ambulant storage receptacle adapted to be attached to the treating means, which receptacles receive molten material from the treating means and store said molten material prior to its delivery to a point of use. | |
167 | THERMITE REACTION VESSEL: |
This subclass is indented under the class definition. Device including a receptacle specialized to contain a thermite
mixture while the mixture reacts to form a molten mass.
SEE OR SEARCH CLASS:
| |||||
168 | MEANS FOR TREATING ORES OR FOR EXTRACTING METALS: |
This subclass is indented under the class definition. Device having means to (a) concentrate and enrich the metalliferous
material or (b) liberate metal from the metalliferous material.
SEE OR SEARCH CLASS:
| |||||
169 | . Amalgam-type extraction means: |
This subclass is indented under subclass 168. Device wherein means are provided for contacting a metal
bearing material with mercury such that the metal is drawn from
said material by the mercury.
SEE OR SEARCH CLASS:
| |||
170 | . By means precipitating metal from solution: |
This subclass is indented under subclass 168. Device including means for rendering a metallic element
insoluble in its liquid environment.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||||
171 | . By means applying heat to work, e.g., furnace: |
This subclass is indented under subclass 168. Device having means to raise the temperature of metalliferous
material.
SEE OR SEARCH CLASS:
| |||||||
172 | .. Fluidized zone: |
This subclass is indented under subclass 171. Device wherein means are provided for introducing a gas
into the heating chamber so that the solid material within said
chamber is maintained in a fluent condition while it undergoes treatment.
SEE OR SEARCH CLASS:
| |||||||
173 | .. Rotary drum-type furnace: |
This subclass is indented under subclass 171. Device wherein the heating means includes a barrel-like
receptacle within which the work is placed, which receptacle is
mounted to continuously revolve about its longitudinal axis while the
work is being heated.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||||||
174 | .. With safety device: |
This subclass is indented under subclass 171. Device having means (a) to prevent a dangerous or potentially dangerous operating condition from occurring within the treating means or (b) to protect operating personnel from injury. | |
175 | .. With separate preheat chamber: |
This subclass is indented under subclass 171. Device wherein a distinct compartment or receptacle is provided
within which the temperature of the material to be treated by the heating
means is elevated prior to its entry into the heating means.
SEE OR SEARCH CLASS:
| |||
176 | .. With means for moving solid material to or through heating zone: |
This subclass is indented under subclass 171. Device wherein the heating means is provided with means
to supply a charge of fuel, flux, or ore thereto, which supplied
material is in a solid form, or means to convey or propel the charge
within the heating means.
SEE OR SEARCH CLASS:
| |||||
177 | ... By means for moving charge through zone: |
This subclass is indented under subclass 176. Device wherein means are provided within the heating means
for propelling or conveying the work undergoing treatment through
said heating means.
SEE OR SEARCH CLASS:
| |||||||
178 | .... Traveling grate: |
This subclass is indented under subclass 177. Device wherein the means for moving the charge through the
treating zone comprises a mobile charge supporting surface which
surface is perforated to allow air or combustion gases to pass therethrough.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||
179 | ..... With seal means: |
This subclass is indented under subclass 178. Device wherein means are provided at the junction between said mobile charge supporting surface and the heating means to prevent the ingress of atmospheric air into the heating zone or the escape of gas from the heating zone. | |
180 | ..... Train of grate elements: |
This subclass is indented under subclass 178. Device wherein the mobile supporting surface is composed of plural unconnected moving cars which follow closely adjacent each other to form a moving support for the charge material. | |
181 | .... Means forming cascading array: |
This subclass is indented under subclass 177. Device wherein the heating means has a plurality of shelves
disposed one above the other and the moving means conveys the charge
from one shelf to the next adjacent lower shelf in a zigzag fashion.
SEE OR SEARCH CLASS:
| |||
182 | ... By fluid current: |
This subclass is indented under subclass 176. Device wherein the propelling means comprises means for
entraining the charge material in a moving stream of fluid.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||||||
183 | ... By power-driven means conveying solid charge into zone: |
This subclass is indented under subclass 176. Device wherein means are provided for propelling the charge material to be treated into the heating zone. | |
184 | ... Bell and hopper type: |
This subclass is indented under subclass 176. Device wherein the charge-feed means includes a storage
chamber having a discharge port in the bottom thereof, which port
is closed by a valve member which is movable axially of said passage.
SEE OR SEARCH CLASS:
| |||
185 | .. With work supporting grate: |
This subclass is indented under subclass 171. Device wherein the heating means includes a work-supporting
surface, which surface is perforated to allow air or combustion
gas to pass therethrough.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||||||
186 | .. With means for feeding fluids: |
This subclass is indented under subclass 171. Devices including a means for introducing a gas, liquid,
or combination thereof to the interior of the heating means.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||||
187 | ... With flow regulating means: |
This subclass is indented under subclass 186. Device including means to control the volume of flow of
the fluid.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||||
188 | ... With common outlet means to feed diverse fluids: |
This subclass is indented under subclass 186. Device including means to comingle two or more fluids for
injection into the heating means.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||
189 | ... With means to cool fluid feeding means: |
This subclass is indented under subclass 186. Device including means for supplying a cooling medium to
the fluid-feeding means to maintain the temperature of said feeding
means within acceptable limits.
SEE OR SEARCH CLASS:
| |||||
190 | .. With cooling of heating means: |
This subclass is indented under subclass 171. Device including means for maintaining the temperature of
the heating means structure at a safe operating level.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||||
191 | ... By means cooling material discharge means: |
This subclass is indented under subclass 190. Device for maintaining the temperature of a delivery opening or structure associated therewith within acceptable limits. | |
192 | ... By direct fluid contact: |
This subclass is indented under subclass 190. Device wherein the temperature of a specific portion of the heating means is maintained within acceptable limits by applying a cooling medium thereagainst, as for example, by flowing the medium over or impinging the medium against said portion. | |
193 | ... By means embedded in heating means: |
This subclass is indented under subclass 190. Device wherein the temperature is maintained within acceptable limits by a cooling medium flowing through a heat-exchange member contained within the wall or base structure of the heating means. | |
194 | .... Having means to facilitate removal of cooling means: |
This subclass is indented under subclass 193. Device including means enabling easy insertion or extraction of the heat-exchange member. | |
195 | .. With discharge means: |
This subclass is indented under subclass 171. Device wherein the heating means is provided with delivery
means for drawing off the material treated within the heating means.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||||
196 | ... With trough-shaped outlet, e.g., runner: |
This subclass is indented under subclass 195. Device wherein the delivery means is further provided with
a channel shaped means through which the material passes after it
has been discharged from the heating means.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
197 | .. Shaft-type furnace, e.g., blast furnace: |
This subclass is indented under subclass 171. Device comprising a chamber having a substantially vertical
axis to which material is fed at an elevated level for gravitation
downwardly across a heating surface or through a heating medium.
SEE OR SEARCH CLASS:
| |||
198 | ... Having external support: |
This subclass is indented under subclass 197. Device having means external of the furnace for sustaining the furnace against the effects of gravity. | |
199 | ... Having specific top structure: |
This subclass is indented under subclass 197. Device wherein the upper region of the furnace has a particular configuration or includes additional structural members which facilitate the operation of the furnace. | |
200 | MEANS FOR MELTING OR VAPORIZING METAL OR TREATING LIQUEFIED METAL: |
This subclass is indented under the class definition. Device for (a) refining or otherwise purifying metal while
in the liquid state, (b) removing or separating constituents from
a molten bath, (c) mixing or stirring a molten bath, (d) applying
heat to a molten bath to maintain the molten condition, or (e) liquefy
or volatilize a metal.
SEE OR SEARCH CLASS:
| |||||||||||
201 | . Slag refining means: |
This subclass is indented under subclass 200. Device wherein means are provided to effect slag contact
with a molten metal, thus promoting thorough intermingling and interaction
of the slag with the metal.
SEE OR SEARCH CLASS:
| |||
202 | . Spray refining means: |
This subclass is indented under subclass 200. Device wherein means are provided to enhance treating gas
contact with a molten metal, which means causes the metal to fall
through a treating gas in either a finely divided stream or as a plurality
of narrow streams and thus promotes the thorough intermingling and
interaction of the gas with the metal.
SEE OR SEARCH CLASS:
| |||||
203 | . By means specialized to puddle metal: |
This subclass is indented under subclass 200. Device wherein means are provided to mechanically work and to contact molten metal with an additive, such as mill scale or ore, while in the presence of an oxidizing atmosphere, whereby a semisolid product is produced. | |
204 | . Means applying centrifugal force: |
This subclass is indented under subclass 200. Device including means to rotate the vessel to effect outward
radial movement of a bath of molten material contained therein.
SEE OR SEARCH CLASS:
| |||
205 | . Means to melt and separate metal from mass of diverse constituents: |
This subclass is indented under subclass 200. Device which is particularized to heat a body which consists
of a plurality of different materials, one of which is a metal,
to liquefy and liberate said metal from said body.
SEE OR SEARCH CLASS:
| |||
206 | . Means for melting-type material, e.g., Linotype: |
This subclass is indented under subclass 200. Device particularized to liquefy metals used in the manufacture of printing characters. | |
207 | . By providing, treating or protecting environment, e.g., vacuum: |
This subclass is indented under subclass 200. Device wherein means are provided either for subjecting
molten metal to a specific atmosphere or atmospheric condition to
bring about a desired physical or chemical change in the metal or
for surrounding or blanketing the metal in an inert fluid to prevent
contamination of the metal being operated upon.
| |||
208 | .. By application of vacuum: |
This subclass is indented under subclass 207. Device wherein the treating atmosphere is at a pressure
less than standard atmospheric.
SEE OR SEARCH CLASS:
| |||||
209 | ... By upward flow of metal within treating zone: |
This subclass is indented under subclass 208. Device wherein an evacuated receptacle is provided with a downwardly extending supply passage within which the molten material is raised to a level higher than the level of the source. | |
210 | .... Recirculating material to its source: |
This subclass is indented under subclass 209. Device wherein the metal is returned from the reduced pressure zone to its point of origin. | |
211 | ... Enclosed within casing: |
This subclass is indented under subclass 208. Device wherein a molten-metal containing or receiving vessel is contained within and surrounded by a housing, which housing is communicable with a source of vacuum. | |
212 | . Refining means with separate metal-melting zone: |
This subclass is indented under subclass 200. Device wherein the means to treat the molten metal is provided
with a distinct metal liquefying region or chamber from which the
molten metal to be treated is drawn.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
213 | . Revolving drum-type furnace: |
This subclass is indented under subclass 200. Device wherein the vessel is mounted to be turned about
its longitudinal axis through more than 360 degrees.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||
214 | . Reverberatory refining vessel, e.g., open hearth: |
This subclass is indented under subclass 200. Device wherein the means to melt metals or to treat a molten metal comprises a treating receptacle within which hot gas sweeps over the surface of material contained within the receptacle to elevate the temperature of the material. | |
215 | . Continuous refining: |
This subclass is indented under subclass 200. Device wherein the treating means includes a treating vessel which is provided with means for supplying an unrefined molten metal mass thereto and for drawing refined molten metal therefrom in a substantially uninterrupted fashion. | |
216 | . By means introducing treating material: |
This subclass is indented under subclass 200. Device including means for adding a solid, liquid, or gaseous
substance to the molten metal.
SEE OR SEARCH CLASS:
| |||
217 | .. Gaseous treating material: |
This subclass is indented under subclass 216. Device wherein the added substance is in gaseous form.
SEE OR SEARCH CLASS:
| |||||
218 | ... Having fluid inlet formed in vessel wall, e.g., tuyere: |
This subclass is indented under subclass 217. Device wherein the means is a short tubular member forming
an aperture in the vessel wall.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||
219 | .... Having intersecting streams converging on central axis of vertical furnace: |
This subclass is indented under subclass 218. Device wherein a plurality of tuyeres are arranged in the
wall of a vertical furnace such that the streams issuing therefrom
will meet or cross in one area substantially in the center of said
furnace.
| |||
220 | .... Having porous outlet: |
This subclass is indented under subclass 218. Device wherein the means discharges through a foraminous
member.
SEE OR SEARCH CLASS:
| |||
221 | .... By means to introduce diverse material: |
This subclass is indented under subclass 218. Device wherein said adding means is adapted to concurrently
supply plural materials.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||||
222 | ..... Concentric flow paths: |
This subclass is indented under subclass 221. Device wherein the adding means has a plurality of coaxial flow paths. | |
223 | .... Having control means: |
This subclass is indented under subclass 218. Device wherein a regulating means is provided in the flow
path to control fluid flow into the treating vessel.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||||
224 | .... Having tuyere formed in plug bottom: |
This subclass is indented under subclass 218. Device wherein the treating vessel is provided with a separate,
distinct bottom closure which has an integrally formed tuyere therein.
| |||
225 | ... Lance: |
This subclass is indented under subclass 217. Device wherein the introducing means is a long, narrow tube
extending into the interior of the treating vessel.
SEE OR SEARCH CLASS:
| |||
226 | .... With manipulating means: |
This subclass is indented under subclass 225. Device including means to adjust the position of the lance. | |
227 | . By separating metal in a molten mass from undesired material, e.g., slag: |
This subclass is indented under subclass 200. Device including means to segregate a metal from other constituents.
SEE OR SEARCH CLASS:
| |||
228 | .. By skimming a material: |
This subclass is indented under subclass 227. Device having means for drawing off a material floating
on the surface of a molten mass.
SEE OR SEARCH CLASS:
| |||
229 | .. By baffle means: |
This subclass is indented under subclass 227. Device including a separating arrangement having a barrier member associated therewith which effects the separation of a desired constituent from the molten mass by blocking the flow of one of the constituents. | |
230 | ... At discharge outlet: |
This subclass is indented under subclass 229. Device wherein the separating arrangement comprises a receptacle having a baffle associated with the receptacle outlet to block the flow of undesired constituents. | |
231 | ... In discharge trough, e.g., runner: |
This subclass is indented under subclass 229. Device wherein the barrier member is associated with a channel
shaped means through which the molten mass flows.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
232 | .. Settling receptacle, e.g., slag pot: |
This subclass is indented under subclass 227. Device wherein the separating means comprises a vessel within which the molten mass is allowed to stand and separate by the effects of gravity. | |
233 | . By stirring or mixing molten metal: |
This subclass is indented under subclass 200. Device including means to agitate a molten metal.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||
234 | .. Induction stirring: |
This subclass is indented under subclass 233. Device wherein the agitating means includes an electromagnetic
means which creates flux lines passing through the metal to cause
movement of the metal.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||
235 | .. Having impeller means: |
This subclass is indented under subclass 233. Device wherein the agitating means includes a blade-like member having a fluid reactant surface which engages and moves the molten mass. | |
236 | . With means to discharge molten material: |
This subclass is indented under subclass 200. Device wherein the vessel containing the molten mass undergoing
treatment is provided with specific terminal outlet structure for
removing the mass from the vessel.
SEE OR SEARCH CLASS:
| |||||||
237 | .. Including electromagnetic means: |
This subclass is indented under subclass 236. Device including means which create flux lines to cause
the material to flow in a desired direction.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||
238 | .. Means for removing residual material: |
This subclass is indented under subclass 236. Device including a means effecting withdrawal of molten matter remaining in the vessel after normal emptying of the vessel. | |
239 | .. By changing ambient pressure on material surface, e.g., suction: |
This subclass is indented under subclass 236. Device wherein the means for discharging material from the
treating vessel includes means for varying gas pressure at a selected location
on the exterior of the molten mass to create a gas pressure gradient
across the exterior which is effective to deliver material from the
vessel.
SEE OR SEARCH CLASS:
| |||||
240 | .. With means to tilt heating means: |
This subclass is indented under subclass 236. Device including means to cant the vessel to effect discharging.
SEE OR SEARCH CLASS:
| |||
241 | . With means to cool treating means: |
This subclass is indented under subclass 200. Device wherein means are provided to remove excess heat
energy, the means treating the material thus maintaining the temperature
of said means within a safe operating range.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||
242 | . Heated melting pot: |
This subclass is indented under subclass 200. Device including a kettle-like receptacle having a means
for raising the temperature of the metal therein to liquefy the
same.
SEE OR SEARCH CLASS:
| |||||
243 | . Bessemer-type treating vessel: |
This subclass is indented under subclass 200. Device wherein the means to treat the molten mass comprises an open topped, flask-like receptacle within which a molten mass is adapted to be subjected to a self-sustaining refining action by the introduction of a treating gas. | |
244 | .. By mounting vessel to revolve about its longitudinal axis: |
This subclass is indented under subclass 243. Device wherein means are provided for supporting the receptacle such that it may be rotated through more than 360 degrees about its lengthwise center line. | |
245 | .. With means pivotally mounting vessel: |
This subclass is indented under subclass 243. Device wherein means are provided for supporting the treating vessel such that the vessel may be swung about an axis generally normal to its longitudinal axis so that the mouth of the vessel can be moved to a selected one of a plurality of positions. | |
246 | ... Means mounting vessel to trunnion ring: |
This subclass is indented under subclass 245. Device wherein the means pivotally mounting the vessel includes a generally annular member which girdles the receptacle and means interposed between the receptacle and the girdling member to secure the receptacle to the girdling member. | |
247 | ... Means mounting vessel to U-shaped trunnion support means: |
This subclass is indented under subclass 245. Device wherein the means pivotally mounting the vessel includes a member having two arms between which the receptacle is supported. | |
248 | . Horizontal, rotatable, cylindrical type: |
This subclass is indented under subclass 200. Device including a generally drum-like vessel having its
longitudinal axis generally parallel to the horizon and adapted
to revolve or oscillate about its longitudinal axis.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||
249 | MEANS TREATING SOLID METAL: |
This subclass is indented under the class definition. Device wherein means are provided which operate upon a metallic
object or mass to discrete metal granules to enhance their physical,
chemical, or mechanical properties.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||
250 | . Having evacuated chamber: |
This subclass is indented under subclass 249. Device wherein the work is placed in a receptacle having means to change the temperature thereof, said receptacle further having means to create a treating environment by lowering the gas pressure therein. | |
251 | . By contact with gas: |
This subclass is indented under subclass 249. Device wherein the treating operation involves (a) surrounding the metallic article with a specific gaseous atmosphere or (b) applying or directing a specific treating gas against the metallic article | |
252 | .. With heating means: |
This subclass is indented under subclass 251. Device wherein means are provided to elevate the temperature
of the article being treated.
SEE OR SEARCH CLASS:
| |||||||
253 | ... Bottom feeding furnace: |
This subclass is indented under subclass 252. Device wherein the article is loaded into a treating chamber from underneath said chamber by means moving said article in a substantially vertical direction, e.g., an elevator. | |
254 | ... With indirect heat-exchange means for gas: |
This subclass is indented under subclass 252. Device wherein a separate means is provided for altering
the temperature of the specific atmosphere, which means is separate
from the means heating the metallic articles.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
255 | ... Having work contained in separate, noncommunicating chamber, e.g., muffle: |
This subclass is indented under subclass 252. Device wherein the article to be heated is disposed within
a receptacle and is maintained out of direct contact with the source
of heat or gases evolved thereby.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
256 | .... Bell furnace: |
This subclass is indented under subclass 255. Device wherein the receptacle containing or protecting the
article during treatment is open-bottomed and is lowered over stationary
article prior to said treatment.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
257 | ... Having atmosphere generating means within treating zone: |
This subclass is indented under subclass 252. Device wherein means are provided within the work confining chamber for evolving a gaseous treating agent. | |
258 | .. By contacting only selected areas of object: |
This subclass is indented under subclass 251. Device wherein the apparatus is so arranged or additional means are provided to insure that the gas contact with the object to be treated will be restricted to only a certain pre-established section of said object. | |
259 | . By cooling of the solid: |
This subclass is indented under subclass 249. Device wherein means are provided to lower the temperature
of the article.
SEE OR SEARCH CLASS:
| |||||
260 | .. By contact with solid heat sink: |
This subclass is indented under subclass 259. Device which includes means for conduction cooling of the articles by physical contact with a solid object which is at a lower temperature. | |
261 | . By flame contact heating: |
This subclass is indented under subclass 249. Device wherein the workpiece is juxtaposed with a burner
element whereby the burning fuel of said burner is allowed to impinge
against and heat said workpiece.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||
262 | . Fluid tight heat transferring box shield or hood (e.g., annealing box): |
This subclass is indented under subclass 249. Device including a removable enclosing receptacle or hood
specially adapted for holding metal articles being heated, shielding
them from the atmosphere, and equalizing the application of heat
to the metal articles, e.g., annealing or carbonizing boxes.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||
263 | .. Bell-type hood, or support for such hood: |
This subclass is indented under subclass 262. Device including structure adapted to be lowered about the
work comprising a hood closed on its top and sides and open at its
bottom, or the support upon which such hood is lowered.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
264 | ... Having packing at hood lip: |
This subclass is indented under subclass 263. Device including distinct structure for sealing the joint between the hood and its support. | |
265 | MEANS FOR INTRODUCING FLUENT INTO VESSEL, E.G., TUYERE: |
This subclass is indented under the class definition. Device comprising short tubular means adapted to be mounted
in a vessel wall for permitting fluents to flow therethrough.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||||
266 | . With flow control means or internal flow guide: |
This subclass is indented under subclass 265. Device including means to alter either the quantity of material
moving through the introducing means or the direction in which said material
is delivered.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||||
267 | . Having means for simultaneously feeding diverse materials: |
This subclass is indented under subclass 265. Device including means to concurrently deliver two different
materials.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||||
268 | .. Having plural outlets: |
This subclass is indented under subclass 267. Device including two separate flow paths, each of which
terminate at the outlet of the tuyere and each of which discharges
a different material.
SEE OR SEARCH CLASS:
| |||
269 | . Having drain means or cleaner insertion means, e.g., punch hole: |
This subclass is indented under subclass 265. Device wherein means are provided which will either allow a blockage removing cleaning implement to be inserted into the introducing means or allows undersized material contained within the introducing means to run off. | |
270 | . Having means preventing damage to introducing means, e.g., wear linings, cooling: |
This subclass is indented under subclass 265. Device including means to protect the tubular means.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||
271 | MEANS SEALING OR OPENING APERTURE IN VESSEL: |
This subclass is indented under the class definition. Device for (a) plugging openings in the walls of treating
or holding receptacles or (b) tapping such openings or otherwise
removing plugs or other blockages therefrom.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||||
272 | . By means plugging aperture: |
This subclass is indented under subclass 271. Device wherein the means is specialized to seal or stop the opening in the vessel wall. | |
273 | .. By means injecting plugging compound, e.g., mud gun: |
This subclass is indented under subclass 272. Device wherein the means to seal the aperture includes means
for extruding a hardenable fluent substance into the aperture.
SEE OR SEARCH CLASS:
| |||
274 | MEANS FOR HOLDING OR SUPPORTING WORK: |
This subclass is indented under the class definition. Device which comprises means specialized to contain or retain
either metalliferous material or a solid metal member while such material
or member undergoes a metallurgical treatment.
SEE OR SEARCH CLASS:
| |||
275 | . Receptacle: |
This subclass is indented under subclass 274. Device wherein the containing or retaining means is a container
which volumetrically confines the work undergoing treatment.
SEE OR SEARCH CLASS:
| |||||
276 | .. With means movably supporting receptacle: |
This subclass is indented under subclass 275. Device wherein means are provided for mounting the container such that its attitude may be changed, e.g., by moving it from place to place, by tilting, or the like. | |
277 | ... By bed of rollers: |
This subclass is indented under subclass 276. Device wherein the container is mounted on a plurality of cylindrical members, each of which is adapted to revolve about its longitudinal axis. | |
278 | .. Having corrugated wall: |
This subclass is indented under subclass 275. Device wherein a wall of the container is formed with a plurality of alternating ribs and grooves which give an undulating appearance to the wall. | |
279 | . Grate: |
This subclass is indented under subclass 274. Device wherein the means for supporting the work is a member
having a generally planar surface, which surface sustains the work against
the effect of gravity and which surface has openings therethrough
for the passage of combustion gases, air, or the like.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||||||||
280 | LININGS: |
This subclass is indented under the class definition. Device which comprises the specific construction or composition
of the metal or ore contacting inner covering of a treating vessel.
SEE OR SEARCH CLASS:
| |||||||
281 | . With making or repairing means: |
This subclass is indented under subclass 280. Device including means facilitating the forming, building,
replacing, or restoring of such lining.
SEE OR SEARCH CLASS:
| |||||
282 | . With metallic means to prevent lining abrasion: |
This subclass is indented under subclass 280. Device including metallic elements fastened to, supported
by, or otherwise contained within the lining for the purpose of
warding off wear of the lining surface.
| |||
283 | . Having particular lining element shape: |
This subclass is indented under subclass 280. Device including the particular configuration of at least one of the elements which, together with others of like or unlike configuration, make up the lining. | |
284 | . Having specific grain size: |
This subclass is indented under subclass 280. Device including the particular size or range of sizes of the particles forming the raw material of the lining. | |
285 | . With means allowing for expansion: |
This subclass is indented under subclass 280. Device including means to allow for the swelling of the lining or lining elements due to temperature change. | |
286 | . With specific lining enclosing structure: |
This subclass is indented under subclass 280. Device including the particular shape, composition, structure,
or characteristic of the vessel wall or walls adjacent the lining.
| |||||
287 | MISCELLANEOUS: |
This subclass is indented under the class definition. Apparatus not provided for above.
| |||
900 | METAL MELTING FURNACES, E.G., CUPOLA TYPE: |
Furnaces, especially shaft type, adapted to liquefy metal.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||||
901 | SCRAP METAL PREHEATING OR MELTING: |
Device wherein (a) a means is provided for the reclamation of scrap metal by liquefying it by the application of heat or (b) a means is provided for raising the temperature of scrap metal prior to its introduction of the treating vessel. | |
902 | BLOWPIPES SPECIALIZED TO TRANSVERSELY CUT OR NOTCH BLOOMS, BILLETS OR BARS: |
Torches adapted to notch or sever a bloom, billet, or bar in a plane normal to the longitudinal axis of the workpiece. | |
903 | SAFETY SHIELDS: |
Apparatus including plate-like means to protect a vessel or operating personnel from the effects of heat and molten material. | |
904 | BLOWPIPE CUTTING HEADS: |
Tips used in conjunction with cutting torches. | |
905 | REFRACTORY METAL-EXTRACTING MEANS: |
Apparatus adapted to liberate a refractory metal from a source of such metal. | |
FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
This subclass has no definition. | |
DIG1 | REPAIR OR RESTORATION OF APPARATUS |
This subclass has no definition. | |