发明名称 |
Center support punch assembly for hydroforming die |
摘要 |
A center support punch assembly for a hydroforming die includes a center support member for fixed attachment to a die. The center support punch assembly also includes a button disposed about and space from the center support member for fixed attachment to the die. The center support punch assembly further includes a plunger movable relative to the center support member to allow fluid within a tubular member to force a wall portion of the tubular member outward against the center support member and be sheared by the button to produce an opening in the tubular member.
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申请公布号 |
US7104099(B1) |
申请公布日期 |
2006.09.12 |
申请号 |
US20050204986 |
申请日期 |
2005.08.16 |
申请人 |
GM GLOBAL TECHNOLOGY OPERATIONS, INC. |
发明人 |
GHIRAN MIKE M.;HARMON GERRY A. |
分类号 |
B21D28/18;B21D28/28 |
主分类号 |
B21D28/18 |
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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