Securing and tensioning device for a towing cable connected to a

Details Securing and tensioning device for a towing cable connected to a Securing and tensioning device for a towing cable connected to a

1995-07-28

1997-07-01

Neuder, William P.

Boring or penetrating the earth

With tool drive prime mover or above-ground mechanical...

With installing casing

173 32, E21B 1102

Patent

active

056427867

ABSTRACT:
A securing and tensioning device for a towing cable that is secured to a percussion boring machine and connects a pipe that is to be pulled in to the boring machine, comprising a thrust member bearing on the free end of the pipe that is to be pulled in, a clamping unit that is adjacent to the thrust member and clamps when a force acts on the towing cable in the direction of the pipe that is to be pulled in, and a tensioning unit arranged coaxially with the clamping unit that clamps when a force acts in the direction of the pipe that is to be pulled in and is movable in the direction opposite to that of the pipe that is to be pulled in.

REFERENCES:
patent: 4100972 (1978-07-01), Schmidt
patent: 4840234 (1989-06-01), Schmidt

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