Cable following apparatus having cable cleaning capabilities and

Details Cable following apparatus having cable cleaning capabilities and Cable following apparatus having cable cleaning capabilities and

1982-09-02

1985-05-28

Leppink, James A.

Boring or penetrating the earth

Enlargement of existing pilot throughbore requiring...

175 67, 175 94, 2541346, E21B 718

Patent

active

045194629

ABSTRACT:
A cable following apparatus especially suitable for replacing existing underground cable is disclosed herein. This apparatus includes a tubular main body disposed around and movable along a particular cable in a forward direction while an arrangement of water jets are used to cut through the soil surrounding the cable in front of the forwardly moving main body. At the same time, a high pressure stream of air or similar gas is directed into a circumferential area between the front end of the main body and the cable in a way which is intended to prevent particulate material from passing therebetween and damaging or otherwise disrupting operation of the apparatus.

REFERENCES:
patent: 2776816 (1957-01-01), Jackson
patent: 4091631 (1978-05-01), Cherrington
patent: 4385667 (1983-05-01), Reichman et al.
patent: 4403667 (1983-09-01), Reichman et al.

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