Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...
Patent
1986-08-29
1989-03-14
Corbin, David H.
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
Submerging, raising, or manipulating line of pipe or cable...
37 62, 405163, F16L 104, E02F 510
Patent
active
048120790
ABSTRACT:
An embedding apparatus for optionally cutting through different densities of soil and rock in order to embed cable in a waterbed. The apparatus comprises a low pressure jet assembly for cutting into the soil, a rock-cutting assembly with teeth for cutting into soft rock; a rock-embedment depressor with a rotary saw blade assembly for cutting into relatively harder rock; and a depth sensor device. The low pressure jet assembly is part of a pivotal soil embedment depressor and liquifies the soil without any permanent soil displacement. The rock embedment depressor is selectively attachable to the soil embedment depressor, and has jets connected to a source of pressurized fluid to provide an hydraulic cushion thereunder and to clear the rock debris for the embedment of the cable.
REFERENCES:
patent: 3333432 (1967-08-01), Hale et al.
patent: 3338060 (1967-08-01), Harmstorf
patent: 3504504 (1970-04-01), Elliott
patent: 3638439 (1972-02-01), Niederer
"Cable Plow Takes on Double Duty", ENR, Apr. 15, 1982, 3 pages.
Johnson Harry
Ware Ralph M.
Casper Colosimo & Son, Inc.
Corbin David H.
Kikel Suzanne
Silverman Arnold B.
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