发明名称 METHOD OF AND APPARATUS FOR PULLING A PIPE
摘要 A method of and apparatus for pulling pipe involves providing a pipe having an exterior surface with a groove circumscribing the exterior surface of the pi pe adjacent to one end and an anchoring collar which is segmented into segments and has an inne r circumferential surface with an inwardly projecting tongue. The segments of the anchoring collar are secured together to circumscribe the pipe with the inwardly projecting tongue engaging the groove of the pipe. One end of the pipe is capped with an end cap. The end cap is coupled to the anchoring collar. A tow line is secured to the end cap and exerts a pulling force, with the anchoring collar securing the end cap against removal when pulled and the end cap preventing debris from entering the pipe.
申请公布号 CA2591362(A1) 申请公布日期 2008.11.17
申请号 CA20072591362 申请日期 2007.05.17
申请人 DUGGAN, JODY 发明人 DUGGAN, JODY
分类号 F16L1/028;E21B7/20 主分类号 F16L1/028
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