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.
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
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