| 发明名称 |
Pipeline lining |
| 摘要 |
A multi-diameter plastic flange adapter that is fused to an end of a thermoplastic tube liner. The plastic liner and multi-diameter plastic flange adapter are inserted in a flanged pipe and air therebetween is evacuated thru a vent pipe.
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| 申请公布号 |
US4691740(A) |
申请公布日期 |
1987.09.08 |
| 申请号 |
US19850747483 |
申请日期 |
1985.06.21 |
| 申请人 |
PHILLIPS PETROLEUM COMPANY |
发明人 |
SVETLIK, HARVEY E.;WOOD, ROY F. |
| 分类号 |
B29C49/26;B29C63/34;F16L23/12;F16L55/165;(IPC1-7):F16L55/18;F16L57/00;F16L58/00 |
主分类号 |
B29C49/26 |
| 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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