Electrical resistance heating element for an electric furnace an

Details Electrical resistance heating element for an electric furnace an Electrical resistance heating element for an electric furnace an

1999-06-30

2000-11-14

Kopec, Mark

Compositions

Electrically conductive or emissive compositions

Carbide containing

264104, 219553, H01B 104, H05B 310

Patent

active

06146550&

ABSTRACT:
This electrical resistance heating element (10) for an electric furnace comprises a resistive heating part (12) made of a ceramic. The ceramic comprises a sintered mixture of silicon carbide particles, of dopant particles, suitable for obtaining an electrically conductive phase after sintering, and of mineral particles.

REFERENCES:
patent: 4174971 (1979-11-01), Schrewelius
Patent Abstracts of Japan, vol. 17, No. 340 (E-1389), Jun. 28, 1993 & JP 05 047455 A (Nippon Pillar Packing Co. Ltd), Feb. 26, 1993.
Soviet Patents Abstracts, Week 9230, Derwent Publications Ltd., London, GB, AN 92-248581 XP002097184, & SU 1 685 752 A (Tern Education Inst.) May 29, 1989.
Japanese Patent Gazette, Week 8512, Derwent Publications Ltd., London, GB, AN 85-072413, XP002097185 & JP 60 027653 A (Hitachi Ltd.) Jul. 21, 1983.
Hashiguchi et al "Electrical Resistivity of .alpha.-SiC Ceramics with added NiO" J. Ceram. Soc. Jpn. (1994) 102 (Feb.), 160-4, 1994.

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