Method of applying protective coatings to metal products

Details Method of applying protective coatings to metal products Method of applying protective coatings to metal products

1974-03-01

1977-01-18

Kendall, Ralph S.

Metal treatment

Compositions

Heat treating

427406, 427409, 427372R, 427385R, C23F 726

Patent

active

040037606

ABSTRACT:
A method for applying a coating on metal articles that is resistant to chemical and mechanical attack including the steps of first applying a galvanic zinc coating over a metal article, next applying a chromate coating over the zinc coating, drying the chromate coating, and thereafter applying a fluoroplastic resinous coating over the chromate coating.

REFERENCES:
patent: 2393663 (1946-01-01), Thomas et al.
patent: 2562117 (1951-07-01), Osdal
patent: 3053691 (1962-09-01), Hartman et al.
patent: 3053692 (1962-09-01), Pocock
patent: 3431136 (1969-03-01), Stilmar
patent: 3655426 (1972-04-01), Fuchs

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