| 摘要 |
A method for subjecting a molded article formed of a powder material and having a complicated shape to isostatic pressing includes covering the molded article with a water impermeable rubber film. The surface area of the rubber film is larger than the surface area of the molded article. In the method, the rubber film follows the complicated shape, e.g., a shape having notch(es), throughhole(s), dent(s), and bend(s), or a cylindrical shape, of the molded article. As a result, the rubber film is rarely damaged during isostatic pressing and the ease of removal of the rubber film after isostatic pressing is significantly improved.
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