System for driving anchors in the ground

Details System for driving anchors in the ground System for driving anchors in the ground

1990-03-20

1992-04-14

Yost, Frank T.

Hydraulic and earth engineering

Foundation

Columnar structure

405232, 173 28, 173DIG2, 175135, E21B 712

Patent

active

051042649

ABSTRACT:
Apparatus for driving anchors in the ground by gas pressure which includes on a frame to be maintained stationary relative to the ground, a mechanism for firing and combustion of a pyrotechnical composition, and for launching an anchor. The apparatus including an acoustic shield for gas expansion which is slidingly mounted on a recoil ramp so as to balance the impulse transmitted to the anchor by the force of gravity.

REFERENCES:
patent: Re23569 (1952-10-01), Sopris
patent: 4286496 (1981-09-01), Harris

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