Electrode heating device for use in glass melting furnaces

Details Electrode heating device for use in glass melting furnaces Electrode heating device for use in glass melting furnaces

1979-01-05

1980-09-23

Envall, Jr., Roy N.

C03B 502

Patent

active

042244609

ABSTRACT:
An expendable heating device having a consumable electrode for extending into a bath of molten glass. The apparatus includes an L-shaped refractory holder whose longer leg is adapted to sit on the top of a wall such as that of a feeding extension or doghouse of a tank type glass melting furnace and whose shorter leg projects into the bath of molten glass for forming a protective jacket for the consumable electrode. The long leg of the refractory holder encases a bus bar which projects from the end thereof, the projecting end of the bus bar being adapted to be connected to a source of electrical energy. The bus bar is held in place within the long leg of the holder by a pair of clamping devices.

REFERENCES:
patent: 2591709 (1952-04-01), Lubatti
patent: 2817695 (1957-12-01), Hartwing
patent: 2953614 (1960-09-01), Holden
patent: 2978526 (1961-04-01), Olson
patent: 3105865 (1963-10-01), Rosseau
patent: 3983309 (1976-09-01), Faulkner et al.
patent: 4069032 (1978-01-01), Brax

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