External counter electrode

Electrolysis: processes – compositions used therein – and methods – Electrolytic material treatment – Metal or metal alloy

Reexamination Certificate

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C205S717000, C204S248000

Reexamination Certificate

active

06837985

ABSTRACT:
A system and process for cleaning a hollow interior or a passageway of a metal member including an external container having counter electrode material with a higher potential than the metal member with the counter electrode material being dc coupled to the metal member, and electrolyte passing through the container to contact the counter electrode material and fluidicly coupled into the hollow interior or the passageway of the metal member to clean same.

REFERENCES:
patent: 3600245 (1971-08-01), Gates
patent: 3649491 (1972-03-01), Bowers et al.
patent: 3984295 (1976-10-01), Kametani et al.
patent: 4397721 (1983-08-01), Exalto et al.
patent: 4406761 (1983-09-01), Shimogori et al.
patent: 4544462 (1985-10-01), Furutani et al.
patent: 4588488 (1986-05-01), Sumita et al.
patent: 5028304 (1991-07-01), Stanishevsky et al.
patent: 6645365 (2003-11-01), Fairbourn et al.
patent: 0430893 (1991-06-01), None
patent: 63313610 (1988-12-01), None
USS. Assoc. of Iron and Steel Engineers,The Making, Shaping and Treating of Steel, pp 1084-1095, 1985, Pittsburgh, Penn., (no month).

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