| 发明名称 |
Method for manufacturing hollow metal profiles |
| 摘要 |
The subject of this invention is a method for manufacturing hollow metal profiles, when a plug (5) is inserted into every channel (2) of the pressed profile (1) and attached tightly to the profile by compression. To achieve good attachment and sealing, every plug is also welded into the inner surface of the channel.<IMAGE>
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| 申请公布号 |
FI77584(B) |
申请公布日期 |
1988.12.30 |
| 申请号 |
FI19880002355 |
申请日期 |
1988.05.19 |
| 申请人 |
KABEL- UND METALLWERKE GUTEHOFFNUNGSHUETTE/AKTIENGESELLSCHAFT |
发明人 |
NIWIERA, WOLFGANG;HOLTORF, FRANZ-JOSEF;BIEDERER, HANS HERMANN |
| 分类号 |
B21C;B21C37/00;(IPC1-7):B21C37/00 |
主分类号 |
B21C |
| 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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