B - Operations – Transporting – 63 – B
Patent
B - Operations, Transporting
63
B
B63B 35/03 (2006.01) F16L 1/16 (2006.01) F16L 1/19 (2006.01) F16L 1/20 (2006.01) F16L 1/23 (2006.01) F16L 1/235 (2006.01)
Patent
CA 2338050
A pipe-laying vessel comprises: means (2) for propelling the vessel during pipe-laying; means for assembling sections of pipe generally horizontally on the vessel to form longer lengths; a tower (14) at the bow of the vessel, with respect to an intended direction of movement, pivotally mounted so that it can be angled forwards towards the top; means (29) for raising a length of pipe fromthe deck to a position aligned with the tower; means (21, 23) for joining such a length of pipe to a pipeline being laid; tensioners (20) arranged to grip such a pipeline and to lower it into the water while maintaining a desired tension in the pipeline; one or more clamps (18) arranged to grip the pipeline below the tensioners; and a lower ramp (17) provided with rollers and arranged to guide the pipeline as it leaves the vessel.
L'invention porte sur un navire de pose de pipelines sous-marins comportant: un moyen de propulsion du navire (2); un moyen d'assemblage des sections de pipeline généralement à l'horizontale sur le navire; un mât (14) pivotant placé à la prou par rapport au sens de marche dont le sommet peut s'incliner vers l'avant; un moyen (29) permettant de soulever une section de pipeline au dessus du pont pour la placer verticalement sur le mât; un moyen (21, 23) permettant de raccorder ladite section au pipeline à poser; des tensionneurs (20) servant à soutenir le pipeline et à le descendre tout en y maintenant la tension voulue; et une ou plusieurs mâchoires (18) agrippant le pipeline sous les tensionneurs, et une rampe inférieure (17) munie de rouleaux et servant à guider le pipeline quittant le navire.
Bianchi Stefano
Giovannini Umberto
Signaroldi Teresio
Gowling Lafleur Henderson Llp
Saipem S.p.a.
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