发明名称 DEVICE FOR TRENCHLESS REPLACEMENT OF UNDERGROUND PIPE
摘要 A pipe parting mole (40) including a length of cable (70) that is engageable to the mole (40) and a cable pulling device engagement system generally includes a reaction plate (96) and an annulus type member (124) for removably engaging the cable pulling device therewithin. A cable pulling frame (84) may be used to facilitate the removal of the cable (70) from a relatively small hole (32) that is created at the pulling end (36) of the pipe (14).
申请公布号 WO9830350(A1) 申请公布日期 1998.07.16
申请号 WO1998US00266 申请日期 1998.01.09
申请人 CARTER, ROBERT, WARD;CARTER, ROBERT, WILLIAMS 发明人 CARTER, ROBERT, WARD;CARTER, ROBERT, WILLIAMS
分类号 B23D21/02;B23D21/14;E03F3/06;E21B7/20;E21B7/30;E21B29/10;F16L1/00;F16L1/024;(IPC1-7):B23D21/06;F16L101/50;E21B29/00 主分类号 B23D21/02
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