Sealed electrode feeding assembly

Details Sealed electrode feeding assembly Sealed electrode feeding assembly

1999-01-06

2000-01-25

Hoang, Tu Ba

Industrial electric heating furnaces

Arc furnace device

Electrode support

373100, H05B 712

Patent

active

060185422

ABSTRACT:
An apparatus for feeding electrodes into a process chamber is disclosed. The apparatus is designed to maintain the atmosphere within the process chamber as separate from the atmosphere surrounding the process chamber. The apparatus has an air-tight tube having at least two internal sealing mechanisms, an outer sealing mechanism and an inner sealing mechanism, sealing mechanisms separated by an expandable section of the tube; penetration in the tube for the introduction of a purge gas in between the inner and outer sealing mechanisms; and an electrical contact for transmitting electrical power to the electrode.

REFERENCES:
patent: 3379816 (1968-04-01), Hozven
patent: 4216347 (1980-08-01), Holtermann et al.
patent: 4238634 (1980-12-01), Krogsrud
patent: 4357485 (1982-11-01), Lamarque
patent: 4457002 (1984-06-01), Mathgen et al.
patent: 4665530 (1987-05-01), Corbethau
patent: 4736384 (1988-04-01), Sakai et al.
patent: 5638398 (1997-06-01), Ikitsu et al.
patent: 5666891 (1997-09-01), Titus et al.

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