| 发明名称 |
Insulating plate production |
| 摘要 |
An insulating plate has a protective coating and before a projection is stamped in the plate, a slot (7) is cut in the coating in direction of thickness. The coating is a pull-off protective paper, and a cross-shaped slot is cut in it in the area of each projection.
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| 申请公布号 |
DE19740744(A1) |
申请公布日期 |
1999.03.25 |
| 申请号 |
DE19971040744 |
申请日期 |
1997.09.16 |
| 申请人 |
EAGLE-PICHER WOLVERINE GMBH, 74613 OEHRINGEN, DE |
发明人 |
BOCK, MANFRED, 74632 NEUENSTEIN, DE |
| 分类号 |
B21D22/04;B21D53/88;B32B43/00;(IPC1-7):B21D53/88 |
主分类号 |
B21D22/04 |
| 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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