发明名称 METHOD FOR RELINING A BRANCH CONDUIT OF A MAIN CONDUIT
摘要 <p>The invention relates to a method for relining an underground branch conduit (10) of an underground main conduit (11) by a relining pipe (14) in the form of a radially stiff double-walled pipe with a corrugated outer wall (14A) and a smooth elastic inner wall (14B) being inserted by means of a traction rope (22), a draw shoe (20) and a pressure plate (25). A stop element (27) is provided on the traction rope (22), which can be pressed against the draw shoe by the motion of the traction rope in relation to the draw shoe.</p>
申请公布号 WO1995010727(A1) 申请公布日期 1995.04.20
申请号 SE1994000953 申请日期 1994.10.11
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