Melting apparatus having double wall structure

Details Melting apparatus having double wall structure Melting apparatus having double wall structure

1990-10-29

1992-07-14

Reynolds, Bruce A.

Industrial electric heating furnaces

Glass furnace device

373 29, 373 30, 373 33, 373 39, 373119, 373130, 373142, 65157, 65335, C03B 502

Patent

active

051310058

ABSTRACT:
A melting apparatus in which a material to be melted is accommodated in a crucible made of platinum or its alloy, and electric current passes through the crucible to generate heat ot melt the material. At least a part of the crucible is formed into a double-wall structure having inner and outer peripheral walls. The electric current is caused to pass through the double-wall structure to generate the heat.

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