| 发明名称 |
METHOD OF FORMING A METAL PART HAVING AN ANNULAR FLANGE |
| 摘要 |
<p>A method for forming an annular flange on a metal part at the same time that the part is cold formed, without stressing the die parts sufficiently to produce die breakage.</p> |
| 申请公布号 |
CA1236425(A) |
申请公布日期 |
1988.05.10 |
| 申请号 |
CA19850480493 |
申请日期 |
1985.05.01 |
| 申请人 |
NIPPERT COMPANY (THE) |
发明人 |
NIPPERT, RUSSELL A. |
| 分类号 |
B21J5/08;B21J5/02;B21K1/62;B21K23/04;H01L21/48;(IPC1-7):B21D22/00 |
主分类号 |
B21J5/08 |
| 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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