Electrical resistance furnace for the production of silicon carb

Details Electrical resistance furnace for the production of silicon carb Electrical resistance furnace for the production of silicon carb

1977-06-13

1979-06-19

Envall, Jr., R. N.

H05B 300

Patent

active

041587448

ABSTRACT:
An electric resistance furnace for the production of silicon carbide from silicon dioxide and carbon has a U-shaped carbonaceous resistance core embedded in the burden of coke, quartz and other additives. The electrodes are disposed adjacent to each other and are connected to the resistance core at the ends of the legs of the U. The ratio of the length of the resistance core to the electrode spacing is at least 1.6.

REFERENCES:
patent: 941339 (1909-11-01), Tone
patent: 1044295 (1912-11-01), Tone
patent: 3329527 (1967-07-01), Harris
patent: 3351742 (1967-11-01), Harris
patent: 3607475 (1971-09-01), Schrewelius
patent: 3964943 (1976-06-01), Andersen
patent: 3989883 (1976-11-01), Wiebke et al.

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