Apparatus for underground excavation

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – By means advancing along terrain and guiding pipe or cable...

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Details

405154, 405174, 405178, F16L 100

Patent

active

057410887

ABSTRACT:
An excavation apparatus comprising: a wedge member for driving through the ground and for slidingly contacting and lifting an overburden located beneath the surface of the ground substantially toward the surface of the ground; a driving attachment member for driving the wedge member below and substantially parallel to the surface of the ground; and a lateral support member attached to the wedge member for guiding the overburden across the wedge member. The apparatus may remove an existing utility line, install a new utility line, apply bedding material beneath a new utility line, or form a trench.

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