Undersea cable burial plowshare and sled apparatus

Details Undersea cable burial plowshare and sled apparatus Undersea cable burial plowshare and sled apparatus

1994-02-01

1995-10-31

Corbin, David H.

Hydraulic and earth engineering

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

Moving cable within pipe

172700, 405164, E02F 510

Patent

active

054623898

ABSTRACT:
This disclosure describes a physical design for an ocean floor trenching tool. The tool consists of a replaceable forward-extending plowguard and detachable hardened plow tips. Surfaces forming the tool's mouth around the plowguard cause the tool to penetrate the ocean bed under normal operation. The surfaces are also effective to "spoil" or break up the compacted bed for easier tool advancement. If an unplowable obstacle is encountered, the plowguard prow rides up and over it, clearing the plow tips away from potential damage. Once past the obstacle, the tool again planes down to operating depth. The tool is useful as a plowability assessment device. With addition of a cable-burying rear chute, the tool can also bury repeatered or repeaterless cable.

REFERENCES:
patent: 2337777 (1943-12-01), Seaholm
patent: 3001591 (1961-09-01), Johnson
patent: 3268012 (1966-08-01), Ratkowski
patent: 3659426 (1972-05-01), Caldwell
patent: 4102407 (1978-07-01), Danszky et al.

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