End-face seal for graphite electrodes

Details End-face seal for graphite electrodes End-face seal for graphite electrodes

2007-04-17

2007-04-17

Van, Quang (Department: 3742)

Industrial electric heating furnaces

Arc furnace device

Electrode

C373S095000

Reexamination Certificate

active

11119422

ABSTRACT:
An end-face seal for graphite electrode joints, including a seal formed of a plurality of individual elements interlocked to form a unitary whole, and formed of a material having an oxidation rate equal to or less than that of the electrodes.

REFERENCES:
patent: 2836806 (1958-05-01), Stroup
patent: 3404061 (1968-10-01), Shane et al.
patent: 3540764 (1970-11-01), Paus et al.
patent: 4895713 (1990-01-01), Greinke et al.
patent: 5645284 (1997-07-01), Fitton
patent: 5902762 (1999-05-01), Mercuri et al.
International Publication WO/03/051772 A1, PCT/US02/39749 filed Dec. 12, 2002, Applicant: Graftech Inc.

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