| 发明名称 |
Alternative stamp die device |
| 摘要 |
An alternative stamp die is designed with tapered areas and non-tapered areas to provide for a longer lived stamp die while avoiding the problems associated with slug pulling.
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| 申请公布号 |
US2002078836(A1) |
申请公布日期 |
2002.06.27 |
| 申请号 |
US20010001603 |
申请日期 |
2001.10.25 |
| 申请人 |
GOYETTE JOHN A.;ALLEGREZZA JOEL A.;BATTERSBY CHARLES D.;SULLIVAN CHRISTOPHER M. |
发明人 |
GOYETTE JOHN A.;ALLEGREZZA JOEL A.;BATTERSBY CHARLES D.;SULLIVAN CHRISTOPHER M. |
| 分类号 |
B21D28/34;B21D45/00;(IPC1-7):B31F1/07;B44B5/00 |
主分类号 |
B21D28/34 |
| 代理机构 |
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代理人 |
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