发明名称 |
Lining of pipelines and passageways |
摘要 |
The invention provides that in inserting a resin impregnated liner into a pipeline or passageway and shaping same to the passageway surface, followed by curing of the resin to form a rigid lining inside the pipeline or passageway, there are placed in the passageway reinforcing circumferential coils or members which bond to the liner and provide extra resistance to compressive hoop stress.
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申请公布号 |
US4622196(A) |
申请公布日期 |
1986.11.11 |
申请号 |
US19850689193 |
申请日期 |
1985.01.07 |
申请人 |
INSITUFORM HOLDINGS LIMITED |
发明人 |
WOOD, ERIC |
分类号 |
B29C63/00;B29C63/34;F16L58/10;(IPC1-7):B29C41/32 |
主分类号 |
B29C63/00 |
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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