Disconnectable buoy

B - Operations – Transporting – 63 – B

Patent

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Details

B63B 22/02 (2006.01) B63B 21/50 (2006.01)

Patent

CA 2426364

The invention relates to floating mooring construction (1) comprising a vessel (2) having a hull (35) with a cavity (9) for receiving a mooring buoy (8) carrying at least one flowline (13), and a pulling device (22, 24) connected to the mooring buoy for pulling the buoy towards the vessel. A flexible element (27) is comprised between a wall of the recess (9) and the buoy. The invention is characterised in that the vessel comprises a turret (5) around which the vessel can weathervane, the recess (9) being provided in the lower part of the turret (5), wherein the buoy (8) comprises near its lower end an annular groove (26) in which the flexible element (27) is seated, the outer surface of the flexible element including a sharp angle (.alpha.) with a center line (21) of the buoy. The buoy is attachable to the turret by the pulling device (22, 24) pulling the buoy into the cavity (9) and compressing the flexible element (27) against the wall of the cavity (9). The present invention provides a semi-permanent system, which is able to transmit relatively large mooring forces to the turret.

L'invention concerne une construction (1) d'amarrage flottante comprenant un vaisseau (2) constitué d'une coque (35) dotée d'une cavité (9) destinée à recevoir une bouée d'amarrage (8) portant au moins une conduite d'écoulement (13), et un dispositif de traction (22, 24) relié à ladite bouée d'amarrage afin de tirer cette bouée vers le vaisseau. Un élément souple (27) est disposé entre une paroi de la cavité (9) et la bouée. L'invention est caractérisée en ce que le vaisseau comprend une tourelle (5) autour de laquelle le vaisseau peut tourner, la cavité (9) étant située dans la partie inférieure de la tourelle (5), la bouée (8) comprenant à proximité de son extrémité inférieure une rainure annulaire (26) dans laquelle ledit élément souple (27) est assis, et la surface extérieure de l'élément souple formant un angle aigu (.alpha.) avec une ligne centrale (21) de la bouée. La dite bouée peut être attachée à la tourelle à l'aide du dispositif de tension (22, 24) qui tire ladite bouée dans la cavité (9), et comprime l'élément souple (27) contre la paroi de ladite cavité (9). L'invention concerne un système semi-permanent pouvant transmettre des forces d'amarrage relativement grandes à ladite tourelle.

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