Method and apparatus for continuously chromium-plating

Details Method and apparatus for continuously chromium-plating Method and apparatus for continuously chromium-plating

1982-05-06

1983-12-06

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

204 27, 204 28, 204 51, 204206, 204275, C25D 700, C25D 1700

Patent

active

044191944

ABSTRACT:
A method for removing the hydrogen in the continuous chromium-plating process of large bars or long-shaped pieces and the like; according to the invention, the chromium-plating bath is made to recycle under pressure by feeding it into the space inside the chromium-plating anode and directing the jets of chromium-plating fluid towards the surfaces of the pieces during the passage inside the anode itself. This invention concerns moreover, a double-tank apparatus with a double sealing system at both ends and with a system for recycling the chromium-plating fluid, from the outer tank to the inner one, inside the anode.

REFERENCES:
patent: 2341712 (1944-02-01), Gray
patent: 2370973 (1945-03-01), Lang
patent: 2989445 (1961-06-01), Lloyd et al.
patent: 3642602 (1972-02-01), Schweizerhof
patent: 3751344 (1973-08-01), Angelini
patent: 3852170 (1974-12-01), Angelini
patent: 4072581 (1978-02-01), Allen
patent: 4102772 (1978-07-01), Nakamura et al.
A. J. Avila et al., Def. Pub. 667,231, Nov. 18, 1969.

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