Method for protecting forming bushings

Details Method for protecting forming bushings Method for protecting forming bushings

1982-08-06

1984-03-20

Envall, Jr., Roy N.

Industrial electric heating furnaces

Glass furnace device

Joule effect heating

373 28, C03B 502

Patent

active

044385188

ABSTRACT:
A process for forming molten material in a melting furnace is disclosed. Bushings made of refractory or noble metal in the furnace are protected from cracking by applying a positive or anodic D.C. bias.

REFERENCES:
patent: 2314956 (1943-03-01), Slayter et al.
patent: 2855450 (1958-10-01), Eden
patent: 3984612 (1976-10-01), Susser et al.

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