Method for chemical nickel-plating of parts having a catalytic s

Details Method for chemical nickel-plating of parts having a catalytic s Method for chemical nickel-plating of parts having a catalytic s

1977-09-12

1979-04-17

Smith, John D.

Coating processes

Immersion or partial immersion

106 127, 118429, 427305, 427319, 427328, 427438, C23C 302

Patent

active

041501802

ABSTRACT:
According to the proposed method, the upper layer of the working solution is heated and components restoring its concentration are added thereto, while the lower layer of the solution is simultaneously cooled and a reagent restoring the pH of the solution is added thereto. The installation for realizing said method comprises a bath composed of two communicating vessels mounted one atop the other. The lower vessel is provided with an arrangement for cooling the solution therein and with a device for feeding thereinto the reagent restoring the pH of the solution, whereas the upper vessl is provided with an arrangement for heating the solution therein and with a device for feeding thereinto the components restoring the concentration of the solution.

REFERENCES:
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patent: 2822294 (1958-02-01), Gutzeit et al.
patent: 2955959 (1960-10-01), DuRose
patent: 3247013 (1966-04-01), Spraul et al.
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patent: 3372037 (1968-03-01), McGrath et al.
patent: 3556839 (1971-01-01), Roy
patent: 3727680 (1973-04-01), Henry
patent: 3853094 (1974-12-01), Christini et al.
patent: 3876434 (1975-04-01), Dutkewych et al.

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