发明名称 Method and system for inserting a pipe into an underground borehole
摘要 The invention relates to a method for inserting a pipe (4) via a pit (1) into an underground borehole, wherein the pipe is flattened before entering the pit, and wherein the pipe is redirected within the pit in the direction of the axis of the borehole, so as to re-deform the pipe before entering the borehole.
申请公布号 US2012039670(A1) 申请公布日期 2012.02.16
申请号 US201013255590 申请日期 2010.03.02
申请人 PUTTMANN FRANZ-JOSEF;TRACTO-TECHNIK GMBH & CO. KG 发明人 PUTTMANN FRANZ-JOSEF
分类号 F16L1/032;B29C53/00;E03F3/06 主分类号 F16L1/032
代理机构 代理人
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