Device and method for installing ducts in holes produced by soil

Details Device and method for installing ducts in holes produced by soil Device and method for installing ducts in holes produced by soil

1976-08-11

1978-01-10

Shapiro, Jacob

Tool driving or impacting

Automatic control of power operated means

Tool advance causing or controlling means

61 727, 173 91, 175 22, F16L 100, E21B 1102

Patent

active

040672000

ABSTRACT:
A method and an apparatus for pulling flexible duct through soil simultaneously with the penetration of soil which comprises a means for penetrating the soil having a duct receiving portion mounted to its trailing end. The duct is pulled through the soil by a pulling means operably associated with the penetrating means which acts to pull the duct in the same direction and simultaneously with the movement of the penetrating means.

REFERENCES:
patent: 3605420 (1971-09-01), Booth et al.
patent: 3874463 (1975-04-01), Hicks et al.
patent: 3970157 (1976-07-01), Schmidt

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