发明名称 |
Lining of pipelines or passageways |
摘要 |
A method for lining a passageway which includes providing a plurality of tube sections connected end to end, pulling a first tube section through the passageway in a collapsed condition and thereafter everting a second tube section into the interior of said collapsed first tube section to cause it to expand outwardly toward the interior walls of said passageway.
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申请公布号 |
US5407630(A) |
申请公布日期 |
1995.04.18 |
申请号 |
US19930049328 |
申请日期 |
1993.04.21 |
申请人 |
INSITUFORM (NETHERLANDS) BV |
发明人 |
SMITH, EDWARD P. |
分类号 |
B29C47/00;B29C63/34;B29C65/62;B29D23/00;F16L55/165;(IPC1-7):B29C63/36 |
主分类号 |
B29C47/00 |
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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