| 摘要 |
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. |
