| 发明名称 |
Method of making an electroforming mandrel |
| 摘要 |
The invention is directed to an electroforming mandrel of a specific structure which is used for making an electroformed product. The invention also embodies a method for producing an embossing surface.
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| 申请公布号 |
US4169017(A) |
申请公布日期 |
1979.09.25 |
| 申请号 |
US19780890456 |
申请日期 |
1978.03.27 |
| 申请人 |
ARMSTRONG CORK COMPANY |
发明人 |
BURKEY, DAVID J.;CLARK, LAWRENCE;GEORGE, JAY R.;LONG, HARRY F. |
| 分类号 |
C25D1/10;(IPC1-7):C25D1/10;C25D1/20 |
主分类号 |
C25D1/10 |
| 代理机构 |
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代理人 |
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| 主权项 |
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