| 摘要 |
PROBLEM TO BE SOLVED: To provide a production method capable of obtaining a metallic collar with a complicated shape at a low cost. SOLUTION: The method for producing a metallic collar comprises: a stage where metal powders and a binder are mixed, so as to obtain a molding material; a stage where the molding material is subjected to injection molding, so as to obtain a primarily molded body; a stage where the primarily molded body is heated, the binder in a degree capable of retaining the obtained secondarily molded body so as to hold a shape is made to remain, and the residual binder is removed, so as to obtain a secondarily molded body; and a stage where the secondarily molded body is subjected to heating treatment, so as to obtain a final molded body. COPYRIGHT: (C)2007,JPO&INPIT
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