Chemistry: electrical and wave energy – Processes and products
Patent
1976-01-02
1978-04-18
Tufariello, T. M.
Chemistry: electrical and wave energy
Processes and products
204237, 204272, 204275, C25D 300, C25D 500, C25D 1500, C25D 1502
Patent
active
040850102
ABSTRACT:
A process and an apparatus for powder-dispersed composite plating in which a plating solution is recycled while a pulverulent material contained is being uniformly dispersed therein, and a plating tank is located in the recycling circuit, so that a uniform composite-plated coating is formed on an object or objects to be plated, while the consumption and dilution of the ions in the bath are being avoided by the constant renewal of the plating solution due to the recycling. This arrangement permits attainment of the highest possible plating efficiency through the use of an increased current density. Moreover, the particle size and concentration of the pulverulent material mixed in the plating solution can be controlled and thereby improvements in both plating quality and productivity can be achieved. In the case where the objects to be plated are cylinder- or ring-shaped or flat pieces, they can be stacked up in a cylindrical formation and compositely plated altogether to attain a remarkably high productivity.
REFERENCES:
patent: 2431949 (1947-12-01), Martz
patent: 2484068 (1949-10-01), Booe
patent: 3061525 (1962-10-01), Grazen
patent: 3922208 (1975-11-01), Cordone et al.
Honda Shinichi
Ishimori Shigeru
Gastel Joseph P.
Suzuki Motor Company Limited
Tufariello T. M.
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