Method of forming colored patterns on aluminum or its alloys

Details Method of forming colored patterns on aluminum or its alloys Method of forming colored patterns on aluminum or its alloys

1978-11-29

1980-07-01

Kendall, Ralph S.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428469, 204 33, 204 35N, 148 61, 156665, 1566591, 427280, C23B 902

Patent

active

042106958

ABSTRACT:
A colored pattern imitating the grain of wood is formed on the surface of an article formed of an aluminum or its alloy by dipping the article in a coating bath floating a coating material in a multilinear pattern or multiannular pattern to form on the surface of the article a masking film in a pattern of the wood grain, subjecting the article to an oxide film application or etching and, after removal of the masking film, subjecting the article to an electrolytic coloring process.

REFERENCES:
patent: 135039 (1873-01-01), Johnston
patent: 2085988 (1937-07-01), McNally
patent: 2556626 (1951-06-01), Meulendyke
patent: 2993847 (1961-07-01), Poch
patent: 3284321 (1966-11-01), Fromson
patent: 3450606 (1969-06-01), Darrow
patent: 3839163 (1974-10-01), Kaneda et al.
patent: 3874949 (1975-04-01), Kaneda et al.
patent: 4066516 (1978-01-01), Sato
patent: 4091126 (1978-05-01), Hidan

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