| 发明名称 |
COUPLING ASSEMBLY HAVING ENHANCED AXIAL TENSION STRENGTH ANDMETHOD OF INSTALLATION OF COUPLED UNDERGROUND DUCT |
| 摘要 |
A coupling assembly for conduit or pipe comprising a first coupling member, a second coupling member and a locking member. The first coupling member is optionall y a tubular component and the second coupling member or coupler is optionally a belted component. The present invention is also optionally provided with an annular sealing member .
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| 申请公布号 |
CA2258339(F) |
申请公布日期 |
1999.07.12 |
| 申请号 |
CA19992258339 |
申请日期 |
1999.01.11 |
| 申请人 |
THE LAMSON & SESSIONS CO. |
发明人 |
METCALFE, PAUL;HOMBERG, CRAIG A.;LOCKARD, WALTER G. |
| 分类号 |
F16L21/08;F16L7/00 |
主分类号 |
F16L21/08 |
| 代理机构 |
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