Apparatus for electropolishing surfaces

Details Apparatus for electropolishing surfaces Apparatus for electropolishing surfaces

1991-04-10

1992-08-04

Valentine, Donald R.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204225, 204275, C25D 1712, C25F 700

Patent

active

051356325

ABSTRACT:
An apparatus for electropolishing surfaces includes an inner housing having an open side with a rim facing toward a surface to be electropolished and being otherwise closed. A guide apparatus moves the inner housing along the surface to be electropolished. An inner seal is disposed between the rim of the inner housing and the surface to be electropolished. An electrode is retained in the inner housing. An outer housing has an interior in which the inner housing and the electrode are disposed. The outer housing has an open side with a rim facing toward the surface to be electropolished and is otherwise closed. An outer seal is disposed on the rim of the outer housing. Connections are associated with the outer housing for supplying and removing a rinsing fluid to and from the inner housing. Ducts are associated with the outer housing for supplying and removing electrolyte fluid to and from the inner housing. Auxiliary devices are connected to the connections and the ducts for supplying rinsing fluid and electrolyte fluid.

REFERENCES:
patent: 3223610 (1965-12-01), Inoue
patent: 3546088 (1970-12-01), Barkman et al.
patent: 4632740 (1986-12-01), Operschall
patent: 4634511 (1987-01-01), Operschall et al.
patent: 4810343 (1989-03-01), Bonnardel
patent: 4883576 (1989-11-01), Gemma
patent: 4988414 (1991-01-01), Westerman, Jr.

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