Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...
Patent
1976-07-19
1979-10-16
Goldberg, E. A.
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
Submerging, raising, or manipulating line of pipe or cable...
219 72, 405189, B63C 1100
Patent
active
041711750
ABSTRACT:
A system for welding the ends of submerged pipes in a gaseous atmosphere at any depth comprises isolating the ends of the pipes by introducing obturators therein and then introducing the pipe ends into an open topped receptacle which is capped with an underwater personal carrying intervention unit. The closed receptacle is filled with gas and then a sleeve is positioned between the ends of the pipes and welded to the pipes.
REFERENCES:
patent: 3339011 (1967-08-01), Ewers
patent: 3407611 (1968-10-01), Coultrup
patent: 3641777 (1972-02-01), Banfauich
patent: 3658231 (1972-04-01), Gilman
patent: 3795115 (1974-03-01), Bergquist
Dermy Rene M.
Fleury Guy J.
Nobileau Philippe C.
Ateliers et Chantiers de Bretagne-A.C.B., Societe Anonyme
Compagnie Francaise des Petroles, Societe Anonyme
Compagnie Generale pour les Developpements Operationnels des Ric
Compagnie Maritime d'Expertises, Societe Anonyme
Etudes Petrolieres Marines, Societe a Responsabilite Limitee
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