Industrial electric heating furnaces – Resistance furnace device – With heating element detail
Patent
1985-07-22
1987-02-03
Envall, Jr., Roy N.
Industrial electric heating furnaces
Resistance furnace device
With heating element detail
373125, H05B 300, H05B 360
Patent
active
046413219
ABSTRACT:
Furnace head for heavy-current resistance furnaces of refractory masonry and at least one cooled electrode inserted into the masonry. Cooling devices extending over the entire length of the electrode are inserted into the latter and the temperature of the electrode can be set by controlling the cooling to the temperature of the masonry.
REFERENCES:
patent: 1029121 (1912-06-01), Heroult
patent: 1533269 (1925-04-01), Reid
patent: 1572893 (1926-02-01), Little
patent: 2908738 (1959-10-01), Rough
patent: 4015068 (1977-03-01), Vohler
patent: 4477911 (1984-10-01), Racki
Envall Jr. Roy N.
Greenberg Laurence A.
Lerner Herbert L.
SIGRI GmbH
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