Electroplating apparatus and electroplating method of small arti

Details Electroplating apparatus and electroplating method of small arti Electroplating apparatus and electroplating method of small arti

1994-08-26

1996-01-30

Valentine, Donald R.

Electrolysis: processes, compositions used therein, and methods

Electrolytic coating

Coating selected area

205143, 205145, 204201, 204212, C25D 700, C25D 1716, C25D 2112

Patent

active

054878241

ABSTRACT:
An electroplating apparatus of small articles comprising: a horizontal circular bottom disk fixed on a top of a vertical drive shaft concentrically, a cover having a bottom fixing flange extending outwardly, upper opening and forming between the bottom disk a treatment room the height of the room changing gradually low as the radius increases or simply cylindrical, a minus contact ring or intermittent minus contact ring disposed between the bottom disk and flange, porous ring being disposed near the contact ring allowing only to pass an electroplating liquid in the cover by centrifugal force, supply pipes supplying electroplating liquid etc. from the opening, a cellar receiving electroplating liquid etc. scattered from the porous ring, a pump feeding the liquid gathered in the cellar to the supply pipe, an anode inserted from the opening and contacting electroplating liquid, and during the electroplating, the bottom disk and cover repeat rotation and stopping or rotation and decelerating.

REFERENCES:
patent: 1910145 (1933-05-01), Belke
patent: 2721837 (1955-10-01), Backer
patent: 3359195 (1967-12-01), Hojyo
patent: 3425926 (1969-02-01), Hojyo
patent: 4182669 (1980-01-01), Hojyo

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