Rotary driven pipe-bursting tool

Details Rotary driven pipe-bursting tool Rotary driven pipe-bursting tool

2005-05-24

2005-05-24

Bagnell, David (Department: 3672)

Boring or penetrating the earth

Processes

Boring horizontal bores

C175S061000, C175S263000, C175S106000, C405S184300, C405S154100

Reexamination Certificate

active

06896077

ABSTRACT:
An apparatus for bursting pipe is preferably adapted to receive rotational energy from the inner member of a dual-member drill string. In a preferred embodiment, an oscillating pipe-bursting member, driven by the interconnected inner members, cuts or bursts a subterranean pipe. In another preferred embodiment, a screw drive moves a pipe-bursting member between an expanded position and a retracted position. In another preferred embodiment, the pipe-bursting member is an arm moveable in response to operation of a screw drive. In yet another preferred embodiment, the pipe-bursting member is hydraulically actuated. This invention increases the efficiency of pipe-bursting operations by utilizing rotation energy generated by a horizontal directional boring system.

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“The Next Generation of Trenchless Technology” Pipe Genie™ Brochure, (undated).

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