发明授权
- 专利标题： Press forming apparatus for fuel cell metal separator
- 专利标题（中）： 用于燃料电池金属分离器的压制成形装置
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申请号： US11001877申请日： 2004-12-02
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公开(公告)号： US07178374B2公开(公告)日： 2007-02-20
- 发明人: Naoyuki Enjoji , Toshiki Kawamura , Hideaki Kikuchi , Takanori Monda
- 申请人： Naoyuki Enjoji , Toshiki Kawamura , Hideaki Kikuchi , Takanori Monda
- 申请人地址： JP Tokyo
- 专利权人： Honda Motor Co., Ltd.
- 当前专利权人： Honda Motor Co., Ltd.
- 当前专利权人地址： JP Tokyo
- 代理机构： Fish & Richardson P.C.
- 优先权： JP2003-404080 20031203
- 主分类号： B21D13/02
- IPC分类号： B21D13/02
摘要：
A press forming apparatus, for metal separators for fuel cells, has a pair of peripheral portion holding dies which hold a peripheral portion of a material and are movable toward and counter to each other; a pair of intermediate portion forming dies for forming a intermediate portion of the material, which are disposed inside the peripheral portion holding dies and are movable toward and counter to each other; and a pair of center portion forming dies for forming a center portion of the material, which are disposed inside the intermediate portion forming dies and are movable toward and counter to each other, wherein one of the peripheral portion holding dies and one of the intermediate portion forming dies are fixed to each other, one of the center portion forming dies is movable with respect to one of the intermediate portion forming dies toward the material, the other intermediate portion forming die and the other center portion forming die are fixed to each other, and the other intermediate portion forming die is movable with respect to the other peripheral portion holding die.