Devices for use in a glass-melting furnace

Details Devices for use in a glass-melting furnace Devices for use in a glass-melting furnace

1981-11-04

1984-01-31

Envall, Jr., Roy N.

Industrial electric heating furnaces

Glass furnace device

Joule effect heating

C03B 5027

Patent

active

044294026

ABSTRACT:
Glass-melting electrodes and other devices may be protected from degradation by oxygen above an oxidation temperature thereof by immersion into the glass. After a sufficient time has elapsed for the glass to adhere to the electrode or device, it is withdrawn to a selected operating depth. The adhered glass becomes partially solidified and forms a protective shield along the electrode. Other precoating measures are described.

REFERENCES:
patent: 2277678 (1942-03-01), Borel
patent: 2798892 (1957-07-01), Penberthy
patent: 3983309 (1976-09-01), Faulkner et al.

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