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

C - Chemistry, Metallurgy

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C25D 11/16 (2006.01) B05D 1/20 (2006.01) B05D 1/32 (2006.01) B44F 9/02 (2006.01) C25D 11/04 (2006.01) C25D 11/14 (2006.01) C25D 11/22 (2006.01) B05D 5/06 (2006.01)

Patent

CA 1129372

ABSTRACT OF THE DISCLOSURE 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 mater- ial 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. -14-

316858

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