发明名称 FORMING METHOD AND FORMING APPARATUS
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
申请公布号 JP2006212637(A) 申请公布日期 2006.08.17
申请号 JP20050024691 申请日期 2005.02.01
申请人 YASHIRO RYOJI 发明人 YASHIRO RYOJI
分类号 B21D22/20;B21D22/30;B21D53/36 主分类号 B21D22/20
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