Method for effecting one side molten metal plating

Coating processes – With pretreatment of the base – Shielding or spacing

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427321, 427349, 427432, 148 635, C23C 102, C23C 103

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active

041073576

ABSTRACT:
A one side plated metal of excellent appearance and quality can be obtained by dipping the material into a plating bath. In this case, one side of the material is oxidized just before it enters the bath so as to form an oxide film on that side and leave it unplated. As soon as it is pulled up from the bath it is maintained under reducing atmosphere so as to prevent adherence of the plating metal to the oxide film.

REFERENCES:
patent: 1430649 (1922-10-01), Herman
patent: 1933401 (1933-10-01), Ward
patent: 3383250 (1968-05-01), Pierson et al.
patent: 3632411 (1972-01-01), Stark
patent: 3681118 (1972-08-01), Ohama et al.
patent: 3707400 (1972-12-01), Harvey et al.
patent: 3738861 (1973-06-01), Sciffer et al.

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