发明名称 |
Internal form working tool has shaft and working head with multiple shapings having smooth transition to shoulder |
摘要 |
<p>The internal forming tool has a shaft (12) and a working head (2) with a conical section (3) and a tip (6). The conical section has multiple shapings and a shoulder (10), where the transition between the shoulder and the shaped area is smooth. The working section can have a cylindrical section.</p> |
申请公布号 |
DE102004046425(A1) |
申请公布日期 |
2006.04.06 |
申请号 |
DE20041046425 |
申请日期 |
2004.09.24 |
申请人 |
UNIVERSITAET KASSEL |
发明人 |
TIKAL, FRANZ;GIES, CHRISTIAN;HOLSTEN, SVEN;RAMSAY, JUAN MIGUEL GODOY |
分类号 |
B21D31/02;B21D22/00;B21D37/00 |
主分类号 |
B21D31/02 |
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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