发明名称 DEVICE FOR TRENCHLESS REPLACEMENT OF UNDERGROUND PIPE
摘要 The basic features of the invention include a pipe parting mole, a length of cable that is engagable to the mole, a cable pulling device and a cable pulling device engagement means that provides a mounting structure for the cable pulling device. The cable pulling device engagement means generally includes a reaction plate and a structure for removably engaging the cable pulling device therewithin. A cable pulling frame may be advantageously used to facilitate the removal of the cable from a relatively small hole that is created at the pulling end of the pipe.
申请公布号 EP0952899(A1) 申请公布日期 1999.11.03
申请号 EP19980901718 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;E21B29/00;F16L101/50 主分类号 B23D21/02
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