Composite steel structural plastic sandwich plate systems

B - Operations – Transporting – 32 – B

Patent

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Details

B32B 15/08 (2006.01) B63B 3/14 (2006.01) B63B 3/20 (2006.01) B63B 3/68 (2006.01) B63B 5/24 (2006.01)

Patent

CA 2271731

A composite laminate panel suitable for building containment vessels, and in particular, suitable for building double hull oil tankers. The laminate has two facing metal layers structurally bonded to a polyurethane elastomer core. The laminate is used in various hull components, such as the hull plates, longitudinal girders, transverse frames and bulkheads. The laminate is used to build the inner hull and outer hull, and may be used to build the structural supports between the inner and outer hulls. The innermost layer of inner hull contains the ship's cargo. The elastomer core of the inner hull laminate isolates the innermost hull skin from cracks, thereby preventing a loss of cargo such as oil into the environment, when the outer hull is pierced, penetrated or ruptured in an accident or grounding.

L'invention concerne un panneau stratifié composite s'utilisant pour réaliser des enceintes de confinement, et notamment pour réaliser des pétroliers à double coque. Ce stratifié comporte deux couches métalliques de revêtement liées structuralement à un noyau élastomère polyuréthane. Il s'utilise dans divers constituants de la coque, tels que les plaques de carène, les poutres longitudinales, les membrures transversales et les cloisons étanches. Ce stratifié s'utilise pour réaliser la coque intérieure et la coque extérieure, et peut s'utiliser pour réaliser les supports structuraux entre les coques intérieure et extérieure. La couche la plus à l'intérieur de la coque intérieure renferme la cargaison du navire. Le noyau élastomère du stratifié de coque intérieure protège des fissures l'enveloppe intérieure de la coque, empêchant ainsi une dissipation de la cargaison, telle que du pétrole, dans l'environnement, lorsque la coque extérieure est perforée, percée ou brisée lors d'un accident ou d'un échouement.

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