US PATENT SUBCLASS 373 / 33
.~.~ Charging or discharging
Current as of:
June, 1999
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373 /
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INDUSTRIAL ELECTRIC HEATING FURNACES
27
DF
GLASS FURNACE DEVICE
{2}
29
DF
.~ Joule effect heating {4}
33
.~.~ Charging or discharging {2}
34
DF
.~.~.~
> Including batch pre-heating
35
DF
.~.~.~
> Including discharge area heating
DEFINITION
Classification: 373/33
Charging or discharging:
(under subclass 29) Subject matter including means to supply, or remove material to be heated, to or from the furnace.
SEE OR SEARCH THIS CLASS, SUBCLASS:
11, for electron beam furnace charging means.
42+, and 46+, for electroslag remelting furnace start up charging and alloying devices respectively.
63, for indirect arc furnaces where the charge is fed into the space between the electrodes.
67+, for arc furnace ingot remelting where furnace electrodes constitute the charge material.
79+, for arc furnace charging/discharging, per se. 115, for resistance furnace charging/discharging, per se.
142+, for induction furnace charging/discharging, per se.
SEE OR SEARCH CLASS
110, Furnaces,
267+, and 327+ for furnace solid fuel feeders and subclasses 101+ for furnace fuel feeders, per se.
222, Dispensing,
591+, for molten metal dispensing.
266, Metallurgical Apparatus,
176+, for means to supply a charge to a heating means.
414, Material or Article Handling,
147+, for charging a chamber utilized for a heating function.
