发明名称 |
Method of production of fixed connection between metal pipes involves pressing pipe into nipple with stepped internal surface to reduce pipe diameter |
摘要 |
The metal pipe connection method involves using a press formed threaded nipple into which the end of the pipe is pressed up to a set depth. The diameter of the pipe is reduced as the pipe is inserted due to the insertion pressure. There is an independent claim
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申请公布号 |
DE19851700(C1) |
申请公布日期 |
2000.04.20 |
申请号 |
DE19981051700 |
申请日期 |
1998.11.10 |
申请人 |
NIROSAN MULTIFIT EDELSTAHLLEITUNGSSYSTEME GMBH & CO. KG |
发明人 |
SCHMITTER, WOLFGANG;HEIN, LOTHAR |
分类号 |
F16L13/14;(IPC1-7):F16L13/14 |
主分类号 |
F16L13/14 |
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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