| 摘要 |
PROBLEM TO BE SOLVED: To provide a method of manufacturing formed goods for the casing of compact electronic equipment on the surface of which rugged pattern which is various, has high productivity and is excellent in decorative design property is formed when taking comparatively soft metal such as aluminum alloy, brass and others as a material. SOLUTION: This method includes a stage where the pattern is formed on the surface of the material to be worked by pressing the surface of a metallic material to be worked which is formed into an aimed shape with a punch having the pattern carved at least in a part of a pressing surface. COPYRIGHT: (C)2008,JPO&INPIT
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