Method and means for protecting a sea bottom surface and an inst

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – With protection or indication of pipe or trench

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405 24, 405172, F16L 5700

Patent

active

042420105

ABSTRACT:
A means and a method for protecting a sea bottom surface or an installation positioned on same, for instance a pipeline, which means comprises a plurality of pliable concrete plate elements which are flexibly interconnected one after the other and thereby forming a chain-like unit, which chain-like unit is positioned along the sea bottom surface, its flexible characteristics both longitudinally and transversally enabling the unit to adapt itself to transverse and to longitudinal level variations in the course of the laying.

REFERENCES:
patent: 763503 (1904-06-01), McGregor
patent: 1173880 (1916-02-01), Shearer
patent: 1359575 (1920-11-01), Chenoweth
patent: 1834060 (1931-12-01), Hough
patent: 2570271 (1951-10-01), Pickett
patent: 2834186 (1958-03-01), Frerichs et al.
patent: 3517514 (1970-06-01), Yisser
patent: 3779027 (1973-12-01), Murphy
patent: 3793845 (1974-02-01), Keith

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