Trenchless replacement of smaller diameter lateral pipe...

Details Trenchless replacement of smaller diameter lateral pipe... Trenchless replacement of smaller diameter lateral pipe...

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 1/036 (2006.01) E02F 5/10 (2006.01)

Patent

CA 2120088

-15- An apparatus (10) for the trenchless replacement of a pipe comprises a frame secstion (12) for location above a service pit (22) exposing one end of an underground pipe section (20) to be replaced and an extendable leg member (14) on the frame section (12) for extending into the service pit (22). A support member (18) is provided an the leg member (14) for supporting the leg member (14) against the inside of the service pit (22). A cable guide member (16) is located on the leg member (14) for guiding a pulling cable (36) extending through the pipe section (20) to be replaced up along the leg member (14). A pinch (30) is provided on the frame section (12) far exerting a pulling force an the pulling cable (36).

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