Apparatus for chemical and electrochemical treatment

Details Apparatus for chemical and electrochemical treatment Apparatus for chemical and electrochemical treatment

1977-05-24

1979-08-07

Prescott, Arthur C.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204236, 204247, 204274, 204278, C25D 1702

Patent

active

041637054

ABSTRACT:
An electroplating apparatus for applying a protecting metallic coating on the surface of a workpiece, the apparatus featuring a process chamber for containing an electrolytic solution, and means for leading an electric current to the workpiece and to the solution. A pneumatic pressure reducing pump is further provided for creating subatmospheric pressure about said process chamber and the spaces containing said electrolytic solution which is in communication with the electrolytic solution in the process chamber, whereby the use of a high electrical current density during electroplating is possible.

REFERENCES:
patent: 1354451 (1920-09-01), Bergve
patent: 1597231 (1926-08-01), Haynes
patent: 3661732 (1972-05-01), Withrow
patent: 3876389 (1975-04-01), Chaudhari et al.

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