发明名称 |
METAL PLATE MOLDING METHOD AND MOLDING DEVICE |
摘要 |
A plurality of protruding portions is formed in a metal plate material through a plurality of steps by use of forming tools (23, 24) each of which includes a die and a punch (26, 29). An arrangement pitch (p2) between a concave portion (292) and a convex portion (291) for use in forming the protruding portions in the die and the punch (29) that are used in a post-process is made narrower than an arrangement pitch (p1) between a concave portion (262) and a convex portion (261) for use in forming the protruding portions in the die and the punch (26) that are used in a pre-process. |
申请公布号 |
EP2990132(A4) |
申请公布日期 |
2016.12.07 |
申请号 |
EP20140788214 |
申请日期 |
2014.04.24 |
申请人 |
Toyota Boshoku Kabushiki Kaisha |
发明人 |
HIRATA, Kazuyuki |
分类号 |
B21D22/02;B21D13/02;H01M8/0206 |
主分类号 |
B21D22/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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