摘要 |
PROBLEM TO BE SOLVED: To propose technique by which a half body of a product having a small bend-returning part on the side of one end like a holding tool is provided accurately and inexpensively. SOLUTION: This method is a forming method of the product having the small bend-returning part on the side of one side. The method is provided with: a preforming stage where the original sheet of the product is formed into a shape of the product before the small bend-returning part is made by arranging the sheet horizontally and pressurizing it and; a postforming stage where a formed article formed in the preforming stage is arranged on a lower die which has the shape of the underside side of the product and which is provided slantly so that the side equivalent to the small bend-returning part is situated on the upside and the small bend-returning part is made by pressurizing the formed article. COPYRIGHT: (C)2006,JPO&NCIPI
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