发明名称 |
Metallblechteil und Verfahren zu dessen Herstellung |
摘要 |
According to the invention, an inward collar is integrally shaped on the inner periphery of a cylindrical boss portion. The inward collar is raisedly shaped in the axial direction on the inner periphery of the cylindrical boss portion by a top pattern tool having an ironing punch, and a bottom pattern tool having an ironing punch. The ironing process of forming the inward collar is repeated several times by using plural dies to finish the final shape. |
申请公布号 |
DE10082528(B4) |
申请公布日期 |
2007.01.11 |
申请号 |
DE2000182528 |
申请日期 |
2000.06.16 |
申请人 |
KANEMITSU CORP. |
发明人 |
KANEMITSU, TOSHIAKI;TAKAHASHI, YASUHIRO;HARADA, KUNIHIRO |
分类号 |
B21J5/06;B21C37/29;B21J5/02;B21K21/00;B21K21/08;B21K23/04;B60R21/26;B60R21/264 |
主分类号 |
B21J5/06 |
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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