Colored zinc coating

Details Colored zinc coating Colored zinc coating

1991-05-02

1992-11-03

Lusignan, Michael

Metal treatment

Process of modifying or maintaining internal physical...

Processes of coating utilizing a reactive composition which...

148281, 427433, C23C 800

Patent

active

051605520

ABSTRACT:
This invention permits, in a colored galvanized coating using Ti-Zn, Mn-Zn, Ti-Mn-Zn, (Ti, Mn)-(Cu, Ni, Cr)-Zn, etc., to clearly and stably develop yellow, purple, green, blue or other color by controlling the composition of a galvanizing bath and oxidizing conditions. Further, a gold, dark red, olive gray and iridescence color which have not yet obtained can be developed. The color development effected by this invention is clearer than conventional. Instead of galvanizing, the spraying process may be adopted. The surface painting on the colored zinc coating is effective.

REFERENCES:
patent: 3630792 (1971-12-01), Smyth et al.
patent: 3778315 (1973-12-01), Booker et al.
patent: 5022937 (1991-06-01), Tomita et al.

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