Shielding arrangement for a vacuum furnace

Details Shielding arrangement for a vacuum furnace Shielding arrangement for a vacuum furnace

1981-06-22

1984-01-10

Envall, Jr., Roy N.

Industrial electric heating furnaces

Resistance furnace device

With heating element detail

373112, 373137, F27D 1100, H05B 300

Patent

active

044256604

ABSTRACT:
The present invention is directed to graphite shields (or shields of other materials which may react chemically or be oxidized in a vacuum furnace but which when condensed do not readily conduct electricity) or graphite shield liners used to protect electrical insulating devices from having electrical shorting path means develop thereon.

REFERENCES:
patent: 4259538 (1981-03-01), Jones

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