Method and apparatus for entrenching an enlongated under-water s

Details Method and apparatus for entrenching an enlongated under-water s Method and apparatus for entrenching an enlongated under-water s

1981-01-22

1983-07-26

Taylor, Dennis L.

Hydraulic and earth engineering

Subterranean or submarine pipe or cable laying, retrieving,...

Submerging, raising, or manipulating line of pipe or cable...

37 62, 405159, E02F 508

Patent

active

043951589

ABSTRACT:
A method and apparatus for entrenching under-water pipelines, in which auger assemblies are provided on a vehicle for inward tilting movement so that the auger assemblies both cut and convey bottom soil from the region beneath the pipeline. The respective augers are driven by hydraulic motors and can include deflectors for directing bottom soil toward the individual augers. In a variation, two sets of augers are provided on the vehicle in tandem.

REFERENCES:
patent: 3429132 (1969-02-01), Martin
patent: 3583170 (1971-06-01), DeVries
patent: 3732700 (1973-05-01), Lynch
patent: 3732701 (1973-05-01), Lynch
patent: 3852972 (1974-12-01), Holberg
patent: 4117689 (1978-10-01), Martin
patent: 4255882 (1981-03-01), Verboom

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