发明名称 |
High-pressure punch tool has conical collar zone to distend cylindrical core profile in metal tube |
摘要 |
<p>A high-pressure hydraulic tool alters the internal shape of a tubular structure on insertion of a conical tip. The tip widens to a first maximum diameter, and then narrows to form a collar, which then widens in a conical profile to a second smaller maximum diameter.</p> |
申请公布号 |
DE10346441(A1) |
申请公布日期 |
2005.05.19 |
申请号 |
DE2003146441 |
申请日期 |
2003.10.07 |
申请人 |
DAIMLERCHRYSLER AG |
发明人 |
DUDZIAK, KAI-UWE;HAAG, ULRICH;KUSCHEL, STEPHAN;OTTE, HEINZ-RUEDIGER;SCHWARZ, STEFAN |
分类号 |
B21D26/045;(IPC1-7):B21D26/02 |
主分类号 |
B21D26/045 |
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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