US PATENT SUBCLASS 266 / 200
MEANS FOR MELTING OR VAPORIZING METAL OR TREATING LIQUEFIED METAL

Current as of: June, 1999
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266 /   HD   METALLURGICAL APPARATUS

200MEANS FOR MELTING OR VAPORIZING METAL OR TREATING LIQUEFIED METAL {19}
201  DF  .~> Slag refining means
202  DF  .~> Spray refining means
203  DF  .~> By means specialized to puddle metal
204  DF  .~> Means applying centrifugal force
205  DF  .~> Means to melt and separate metal from mass of diverse constituents
206  DF  .~> Means for melting-type material, e.g., Linotype
207  DF  .~> By providing, treating or protecting environment, e.g., vacuum {1}
212  DF  .~> Refining means with separate metal-melting zone
213  DF  .~> Revolving drum-type furnace
214  DF  .~> Reverberatory refining vessel, e.g., open hearth
215  DF  .~> Continuous refining
216  DF  .~> By means introducing treating material {1}
227  DF  .~> By separating metal in a molten mass from undesired material, e.g., slag {3}
233  DF  .~> By stirring or mixing molten metal {2}
236  DF  .~> With means to discharge molten material {4}
241  DF  .~> With means to cool treating means
242  DF  .~> Heated melting pot
243  DF  .~> Bessemer-type treating vessel {2}
248  DF  .~> Horizontal, rotatable, cylindrical type

DEFINITION

Classification: 266/200

(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

65, Glass Manufacturing, appropriate subclass, for a means to melt glass.

75, Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures, appropriate subclass, for a process of refining a metal.

164, Metal Founding, appropriate subclass, for an apparatus for treating metal in a mold.

373, Industrial Electric Heating Furnaces, appropriate subclass, for a metal melting or refining means having specific electrical heating structure.

432, Heating, appropriate subclass, for melting furnaces of general utility.