Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – With protection or indication of pipe or trench
Patent
1993-04-23
1995-01-31
Corbin, David H.
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
With protection or indication of pipe or trench
405172, F16L 1028
Patent
active
053854306
ABSTRACT:
A conduit weighting device comprising containment device adapted to supportingly receive a superposed charge of ballast material, in contained relation within an at least one enclosure circumscribed on all sides by upwardly extending containment device walls adapted to retainingly confine the charge between the walls. The device is adapted to be positioned in straddling, superposed relation over a conduit, to thereby at least partly counter displacement forces effecting the conduit means.
REFERENCES:
patent: 3640073 (1972-02-01), Samsel
patent: 3779027 (1973-12-01), Murphy
patent: 3793845 (1974-02-01), Keith
patent: 4166710 (1979-09-01), Spiridonov
patent: 4913588 (1990-04-01), Vilnes
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