US PATENT SUBCLASS 373 / 163
.~.~ Crucible or hearth
Current as of:
June, 1999
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373 /
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INDUSTRIAL ELECTRIC HEATING FURNACES
138
DF
INDUCTION FURNACE DEVICE
{10}
159
DF
.~ Core-type (i.e., channel) {5}
163
.~.~ Crucible or hearth
DEFINITION
Classification: 373/163
Crucible or hearth:
(under subclass 159) 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.
156+, for coreless 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 crucible used in the metallurgical treatment of molten material.
432, Heating,
156+, and 262+ for details of crucibles where the heating means is nonelectric.
