US PATENT SUBCLASS 373 / 156
.~.~ Crucible


Current as of: June, 1999
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373 /   HD   INDUSTRIAL ELECTRIC HEATING FURNACES

138  DF  INDUCTION FURNACE DEVICE {10}
151  DF  .~ Coreless {4}
156.~.~ Crucible {1}
157  DF  .~.~.~> Conducting (e.g., graphite)


DEFINITION

Classification: 373/156

Crucible:

(under subclass 151) Subject matter including means to contain the charge while the charge is being heated.

SEE OR SEARCH THIS CLASS, SUBCLASS:

11, for electron beam furnace crucible construction.

30+, for glass furnace crucible details.

72+, for arc furnace crucible details.

118, for crucible details in resistance furnaces where the crucible is a resistance heating element.

163, for core-type induction furnace crucible details.

SEE OR SEARCH CLASS 118, Coating Apparatus,

726+, for details of crucible structures which contain coating material during vaporization.

164, Metal Founding,

335+, for metal molding apparatus receptacles for holding, or dispensing molten material.

219, Electric Heating,

420+, for electric heating devices combined with nominally disclosed crucible, or furnace-type containers.

266, Metallurgical Apparatus,

167, and 275+ for details of crucibles used in the metallurgical treatment of molten material.

432, Heating,

156+, and 262+ for details of crucibles where the heating means is nonelectric.