发明名称 |
Heat shrinkable sleeve for coupling pipe sections |
摘要 |
Pipe sections are coupled end to end by shrinking a heat shrinkable sleeve in frictional engagement with the end portions of the pipe sections. In a preferred application of the invention, the pipe sections are corrugated and the sleeve conforms to the corrugated surfaces thereof providing a sound mechanical interlock.
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申请公布号 |
US4141576(A) |
申请公布日期 |
1979.02.27 |
申请号 |
US19770866028 |
申请日期 |
1977.12.30 |
申请人 |
LUPKE, MANFRED A. A.;LUPKE, GERD P. H. |
发明人 |
LUPKE, MANFRED A. A.;LUPKE, GERD P. H. |
分类号 |
B29C65/68;F16L47/22;(IPC1-7):F16L47/00 |
主分类号 |
B29C65/68 |
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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