Industrial electric heating furnaces – Resistance furnace device – With heating element detail
Patent
1999-07-23
2000-09-19
Hoang, Tu Ba
Industrial electric heating furnaces
Resistance furnace device
With heating element detail
373134, H05B 362
Patent
active
061223085
ABSTRACT:
The electric resistance type melting furnace according to the present invention prevents deformation and destruction of graphite electrodes under high temperature conditions. In a melting furnace 1, graphite electrodes 3a and 3b each having a rectangular cross-section and with outer surfaces covered with a molybdenum member M are arranged, and surfaces of the graphite electrodes are positioned opposite to each other.
REFERENCES:
patent: 4336412 (1982-06-01), Thomander
patent: 5251231 (1993-10-01), Croker et al.
patent: 5265118 (1993-11-01), Takenaka et al.
patent: 5608838 (1997-03-01), Brookley
patent: 5894541 (1999-04-01), Eckert
Anzai Setsu
Hoang Tu Ba
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