Light weight underground pipe or cable installing device

Details Light weight underground pipe or cable installing device Light weight underground pipe or cable installing device

1982-08-02

1985-01-08

Leppink, James A.

Boring or penetrating the earth

Boring without earth removal

175203, 405184, 254 29R, E21B 726

Patent

active

044922744

ABSTRACT:
This invention pertains to a light weight underground pipe or cable installing device adapted for use in a narrow and deep operating trench. More particularly this underground pipe installing device employs a pair of laterally movable gates positioned adjacent the bottom of the operating trench where the earth is more solid to securely clamp the device in the operating trench to enable it to withstand the forces exerted as the actuating rod is forced through the earth from the so-called operating trench to the target trench.
To accommodate the laterally movable gates positioned adjacent the bottom of the narrow pipe installing device, a pair of top operated double-acting rod clamping jaws, operated by a hydraulic cylinder positioned above the actuating rod are employed.

REFERENCES:
patent: 2656148 (1953-10-01), Fladung
patent: 3113628 (1983-12-01), Orcutt
patent: 4247081 (1981-01-01), Schosek
patent: 4247222 (1981-01-01), Schosek
patent: 4251058 (1981-02-01), Schosek
patent: 4274758 (1981-06-01), Schosek
patent: 4306626 (1981-12-01), Duke

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