B - Operations – Transporting – 23 – D
Patent
B - Operations, Transporting
23
D
B23D 21/06 (2006.01) B23D 21/02 (2006.01) E03F 3/06 (2006.01) E21B 7/20 (2006.01) E21B 7/30 (2006.01) E21B 29/00 (2006.01) E21B 29/10 (2006.01) F16L 1/00 (2006.01) F16L 55/26 (2006.01)
Patent
CA 2277202
A light device for trenchless replacement of pipes includes a pipe parting mole, a length of cable that is engagable to the mole, a cable pulling device and a cable pulling device engagement frame that provides a mounting structure for the cable pulling device. The cable pulling device engagement frame generally includes a reaction plate and an annulus member for removably engaging the cable pulling device with the frame. The device is configured for sideways engagement of the cable within the frame and the annulus member. Two pairs of cable engagement collets may be utilized; a first pair being disposed within the cable pulling device to engage the cable on a pulling stroke, and a second pair may be disposed within the frame or the cable pulling device to engage the cable on a recovery stroke.
Taupe de séparation de tuyau (40) qui comprend une longueur de câble (70) pouvant être solidarisée avec ladite taupe (40) et système d'engagement pour dispositif de traction de câble qui comprend généralement une plaque de réaction (96) et un élément annulaire (124) pour engager de manière amovible ce dispositif à l'intérieur dudit système. Un cadre de traction de câble (84) peut être utilisé pour faciliter l'extraction du câble (70) hors d'un trou relativement petit (32) formé à l'extrémité de traction (36) du tuyau (14).
Carter Robert Ward
Carter Robert Williams
Carter Robert Ward
Carter Robert Williams
Gowling Lafleur Henderson Llp
LandOfFree
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