In-line apparatus for electroplating a metal onto an article

Details In-line apparatus for electroplating a metal onto an article In-line apparatus for electroplating a metal onto an article

1975-02-24

1976-09-28

Edmundson, F.C.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204 27, 204DIG7, C25B 900, B01K 100

Patent

active

039830241

ABSTRACT:
To electroplate a metal onto articles having conductive surfaces in an electrolyte bath containing in solution a salt of the metal to be plated onto the articles, a pair of straight, spaced and parallel rails are extended in an essentially horizontal plane along a path from a first point exterior of the plating bath, through the plating bath, and to a second point exterior of the plating bath. Facing slots are formed in the rails, and articles are advanced in tandem within the slots and between the rails along the path from the first to the second points. A plurality of fixed position electrical contactors are positioned to wipingly engage the articles within the plating bath to generate an electrical current between the articles and an anode within the plating bath, and through the plating bath, with the articles functioning as the cathodes to plate the metal onto the articles. Since each article travels the same path through the plating bath and is exposed to the same current densities therein as every other article, uniform plating thicknesses are obtained on the articles.

REFERENCES:
patent: 2708181 (1955-05-01), Holmes et al.
patent: 3521765 (1970-07-01), Kauffman et al.
patent: 3691026 (1972-09-01), Durrwachter et al.
patent: 3860499 (1975-01-01), Graham et al.
patent: 3878062 (1975-04-01), Grimaldi et al.

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