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Class Number: 266 Class Title: METALLURGICAL APPARATUS Subclass Subclass Number Title 44 PROCESS 45 .Plugging or tapping 46 .Cooling 47 .Tuyere operation 48 MEANS FOR CUTTING SOLID METAL WITH HEAT, E.G., BLOWPIPES 49 .With waste entrapping fluid 50 .Means for cutting continuously cast workpieces 51 .Means for removing surface material, e.g., scarfing 52 ..Having means to simultaneously scarf multiple sides of a workpiece 53 ..Having workpiece-contacting cutting means spacer 54 .With means for cutting tubular workpiece 55 ..Having torch mount secured within workpiece 56 ..Having means to circumrotate torch about workpiece 57 ..With means to rotate workpiece 58 .With pattern control means 59 ..With tape-control means 60 ..With automatic line-follower means 61 ..With means to rotate workpiece 62 ..Having articulated arm supporting torch 63 ...With pantograph arm means 64 ..Having spaced, superposed templet 65 .With work supporting grate means 66 .Hand held, work riding torch 67 .With wheeled carriage torch mount 68 ..Having work contacting torch spacing means 69 ..With work-spanning torch mount 70 .Circle cutter 71 .Having torch solely supported by workpiece 72 .With cantilevered arm torch support 73 ..Having carriage-supported cantilevered arm 74 .Having adjuvant material feed 75 ..Solid material 76 .Having torch spacing means 77 .With torch mounting means 78 WITH CONTROL MEANS RESPONSIVE TO SENSED CONDITION 79 .By treated material sampling means 80 .With analyzer or computation means 81 .With means supplying a treating agent 82 ..Correlated flow of diverse fluents 83 ...With flow rate sensor 84 ...With means sensing moisture content 85 ..Individual control of diverse inputs 86 ..By means positioning dispenser 87 .With temperature sensor 88 ..In a fluid 89 .With pressure sensor 90 .With means responsive to condition of treated material 91 ..By means sensing weight or density of work 92 ..By means sensing position of work 93 ...By means sensing presence or absence of work 94 ...By means sensing level of molten liquidd 95 ....By float means 96 WITH PROGRAMMED, CYCLIC, OR TIME RESPONSIVE CONTROL MEANS 97 .By timer 98 ..Having driven disk or drum 99 WITH RECORDING, INDICATING, INSPECTION OR MEASURING MEANS 100 .Having observation means 101 HAVING MEANS FOR LEACHING AND SUBSEQUENTLY PRECIPITATING A METAL 102 MEANS TREATING A CONTINUUM OF WORK 103 .With heating means 104 ..By joule effect 105 ..Discrete article continuum 106 ..Overlapped planar coil 107 ..In a molten material bath 108 ..In a muffle furnace 109 ..With cooling by contact with solid heat sink 110 ..In specific environment, e.g., vacuum 111 ..With fluid contact means 112 ...In liquid bath 113 ...In liquid spray 114 HAVING MEANS FOR CONTACTING A SOLID METALLIFEROUS MATERIAL OR METAL OBJECT WITH A LIQUID 115 .With means changing the shape of a treated object, e.g., roller means 116 ..Spring shaping means 117 .With means to prevent warping of treated object 118 ..Of a gear wheel 119 ..With heating of object 120 .By immersing an article to be treated in bath of molten material, e.g., salt bath 121 .With heating means, e.g., flame contact 122 ..By means treating metalliferous materials, e.g., ores 123 ..By heating means adapted to be inserted into a hollow object 124 ..By means heating selected areas of an object 125 ...By means specialized to heat an article having an irregular contour (e.g., cams, gears) 126 ....By heating means configured to fit between adjacent gear teeth 127 ..Unitized heating and fluid contact means 128 ..By electric heating means 129 ...Inductance type 130 ..Having bath for contacting the work with liquid 131 ...With means to agitate or control temperature of bath 132 ...Having work introducing elevator 133 ...Having means to move work through bath 134 .By means contacting only selected areas of treated article with liquid 135 WITH CLEANING OR LUBRICATING MEANS 136 .Fluid injector cleaner 137 WITH MEANS TO COMMINUTE OR DISINTEGRATE SOLIDS 138 WITH MEANS TO PREHEAT GAS 139 .Having heat storage means, e.g., checkers, stroves 140 .By heat generating means 141 .By remote heat exchanger 142 GEOGRAPHIC OR STRUCTURAL INSTALLATION 143 .Having refining vessel with travelling support 144 WITH MEANS TREATING OR HANDLING GASES EXHAUSTED BY TREATING MEANSS 145 .Having means to treat or handle gases evolving from rotary furnace 146 .By contacting gas with nonmetallic liquid 147 ..By liquid spraying 148 .By condensing and collecting a volatile constituent 149 ..Within evacuated chamber 150 ..Having molten metal splashing means 151 ..By cascading material evolving the gas 152 ..By indirect liquid heat exchange means 153 ..Having retort condenser 154 ..Vertical shaft furnace 155 .With heat exchanger, e.g., waste heat boiler 156 .By means recycling exhaust gas 157 .By separating particles from evolved gas 158 .Hood 159 .Offtake 160 COMBINED OR CONVERTIBLE 161 MEANS FOR EXTRACTING AND REFINING METAL 162 .With separate refining zone 163 ..With rotating heating vessel 164 ..With heated vertical extracting means 165 AMBULANT VESSEL 166 TREATING VESSEL WITH DISTINCT MOLTEN MATERIAL HOLDING MEANS, E.G., FOREHEARTH 167 THERMIT REACTION VESSEL 168 MEANS FOR TREATING ORES OR FOR EXTRACTING METALS 169 .Amalgam-type extraction means 170 .By means precipitating metal from solution 171 .By means applying heat to work, e.g., furnace 172 ..Fluidized zone 173 ..Rotary drum-type furnace 174 ..With safety device 175 ..With separate preheat chamber 176 ..With means for moving solid material to or through heating zone 177 ...By means for moving charge through zone 178 ....Traveling grate 179 .....With seal means 180 .....Train of grate elements 181 ....Means forming cascading array 182 ...By fluid current 183 ...By power-driven means conveying solid charge into zone 184 ...Bell and hopper type 185 ..With work supporting grate 186 ..With means for feeding fluids 187 ...With flow regulating means 188 ...With common outlet means to feed diverse fluids 189 ...With means to cool fluid feeding means 190 ..With cooling of heating means 191 ...By means cooling material discharge means 192 ...By direct fluid contact 193 ...By means embedded in heating means 194 ....Having means to facilitate removal of cooling means 195 ..With discharge means 196 ...With trough-shaped outlet, e.g., runner 197 ..Shaft-type furnace, e.g., blast furnace 198 ...Having external support 199 ...Having specific top structuree 200 MEANS FOR MELTING OR VAPORIZING METAL OR TREATING LIQUEFIED METAL 201 .Slag refining means 202 .Spray refining means 203 .By means specialized to puddle metal 204 .Means applying centrifugal force 205 .Means to melt and separate metal from mass of diverse constituents 206 .Means for melting-type material, e.g., Linotype 207 .By providing, treating or protecting environment, e.g., vacuum 208 ..By application of vacuum 209 ...By upward flow of metal within treating zone 210 ....Recirculating material to its source 211 ...Enclosed within casing 212 .Refining means with separate metal-melting zone 213 .Revolving drum-type furnace 214 .Reverberatory refining vessel, e.g., open hearth 215 .Continuous refining 216 .By means introducing treating material 217 ..Gaseous treating material 218 ...Having fluid inlet formed in vessel wall, e.g., tuyere 219 ....Having intersecting streams converging on central axis of vertical furnace 220 ....Having porous outlet 221 ....By means to introduce diverse material 222 .....Concentric flow paths 223 ....Having control means 224 ....Having tuyere formed in plug bottom 225 ...Lance 226 ....With manipulating means 227 .By separating metal in a molten mass from undesired material, e.g., slag 228 ..By skimming a material 229 ..By baffle means 230 ...At discharge outlet 231 ...In discharge trough, e.g., runner 232 ..Settling receptacle, e.g., slag pot 233 .By stirring or mixing molten metal 234 ..Induction stirring 235 ..Having impeller means 236 .With means to discharge molten material 237 ..Including electromagnetic means 238 ..Means for removing residual material 239 ..By changing ambient pressure on material surface, e.g., suction 240 ..With means to tilt heating means 241 .With means to cool treating means 242 .Heated melting pot 243 .Bessemer-type treating vessel 244 ..By mounting vessel to revolve about its longitudinal axis 245 ..With means pivotally mounting vessel 246 ...Means mounting vessel to trunnion ring 247 ...Means mounting vessel to U-shaped trunnion support means 248 .Horizontal, rotatable, cylindrical type 249 MEANS TREATING SOLID METAL 250 .Having evacuated chamber 251 .By contact with gas 252 ..With heating meanss 253 ...Bottom feeding furnace 254 ...With indirect heat-exchange means for gas 255 ...Having work contained in separate, noncommunicating chamber, e.g., muffle 256 ....Bell furnace 257 ...Having atmosphere generating means within treating zone 258 ..By contacting only selected areas of object 259 .By cooling of the solid 260 ..By contact with solid heat sink 261 .By flame contact heating 262 .Fluid tight heat transferring box shield or hood (e.g., annealing box) 263 ..Bell-type hood, or support for such hood 264 ...Having packing at hood lip 265 MEANS FOR INTRODUCING FLUENT INTO VESSEL, E.G., TUYERE 266 .With flow control means or internal flow guide 267 .Having means for simultaneously feeding diverse materials 268 ..Having plural outlets 269 .Having drain means or cleaner insertion means, e.g., punch hole 270 .Having means preventing damage to introducing means, e.g., wear linings, cooling 271 MEANS SEALING OR OPENING APERTURE IN VESSEL 272 .By means plugging aperture 273 ..By means injecting plugging compound, e.g., mud gun 274 MEANS FOR HOLDING OR SUPPORTING WORK 275 .Receptacle 276 ..With means movably supporting receptacle 277 ...By bed of rollers 278 ..Having corrugated wall 279 .Grate 280 LININGS 281 .With making or repairing means 282 .With metallic means to prevent lining abrasion 283 .Having particular lining element shape 284 .Having specific grain size 285 .With means allowing for expansion 286 .With specific lining enclosing structure 287 MISCELLANEOUS * ****************************** * CROSS-REFERENCE ART COLLECTIONS * ****************************** 900 METAL MELTING FURNACES, E.G., CUPOLA TYPE 901 SCRAP METAL PREHEATING OR MELTING 902 BLOWPIPES SPECIALIZED TO TRANSVERSELY CUT OR NOTCH BLOOMS, BILLETS OR BARS 903 SAFETY SHIELDS 904 BLOWPIPE CUTTING HEADS 905 REFRACTORY METAL-EXTRACTING MEANS