发明授权
- 专利标题: Method for producing pipe having polygon-shaped closed cross-section and device therefor
- 专利标题(中): 用于与多边形横截面管的成形方法和装置
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申请号: EP97105632.0申请日: 1997-04-04
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公开(公告)号: EP0799656B1公开(公告)日: 2000-12-27
- 发明人: Kadoma, Yoshiaki , Nihashi, Iwao , Ogawa, Hideo , Amino, Hiroyuki , Suzuki, Youji
- 申请人: TOYOTA JIDOSHA KABUSHIKI KAISHA , Amino Corporation
- 申请人地址: 1, Toyota-cho Toyota-shi Aichi-ken JP
- 专利权人: TOYOTA JIDOSHA KABUSHIKI KAISHA,Amino Corporation
- 当前专利权人: TOYOTA JIDOSHA KABUSHIKI KAISHA,Amino Corporation
- 当前专利权人地址: 1, Toyota-cho Toyota-shi Aichi-ken JP
- 代理机构: Winter, Brandl, Fürniss, Hübner, Röss, Kaiser, Polte Partnerschaft
- 优先权: JP8382196 19960405
- 主分类号: B21C37/15
- IPC分类号: B21C37/15 ; B21D5/06
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