Device for laying underground or digging up subsea conduits

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...

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Details

405162, 37 63, F16L 104, E02F 388

Patent

active

044797419

ABSTRACT:
A self-propelling device for burying and digging up subsea conduits laid on beds of an incoherent material. The device has:

REFERENCES:
patent: 2774569 (1956-12-01), Jacobsen
patent: 3585740 (1971-06-01), De Koning
patent: 3673808 (1972-07-01), Volbeda
patent: 3717003 (1973-02-01), Bates
patent: 3851492 (1974-12-01), Cannon
patent: 3877237 (1975-04-01), Norman
patent: 3978679 (1976-09-01), Lecomte
patent: 4112695 (1978-09-01), Chang
patent: 4117689 (1978-10-01), Martin
patent: 4165571 (1979-08-01), Chang
patent: 4342526 (1982-08-01), Mousselli

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