Inflatable liferaft

B - Operations – Transporting – 63 – C

Patent

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Details

B63C 9/06 (2006.01) B63B 7/08 (2006.01) B63B 27/14 (2006.01)

Patent

CA 2320742

A liferaft has a floor (21) and a roof (22) separated by an inflatable structure (13a-13f). When inflated, the floor (21) and the roof (22) are generally parallel to provide a liferaft that is reversible. Drainage passages (28) are provided extending between the floor (21) and the roof (22) prior to inflation so that, during inflation, water from the roof (22) can drain through the floor (21). Boarding ramps (19) are provided which include an inflatable tube (33) connecting with the inflatable structure (13a-13f) of the liferaft. The boarding ramps (19) are normally held deflated and packed against the inflatable structure (13a-13f) but, once they are released, air from the inflatable structure (13a-13f) inflates the tube (33) of the boarding ramp (19) to deploy the boarding ramp (19).

L'invention concerne un radeau de sauvetage comprenant un plancher (21) et un toit (22), lesquels sont séparés par une structure gonflable (13a-13f). Une fois cette structure gonflée, ce plancher (21) et ce toit (22) se retrouvent généralement parallèles l'un à l'autre, de manière à former un radeau de sauvetage réversible. Des passages d'évacuation (28) s'étendent par ailleurs entre ce plancher (21) et ce toit (22), de sorte qu'au cours du gonflage, l'eau du toit (22) peut s'écouler à travers ledit plancher (21). Ce radeau de sauvetage comprend en outre des rampes d'embarquement (19), pourvues d'un conduit gonflable (22) relié à la structure gonflable (13a-13f) susmentionnée. Ces rampes d'embarquement (19) sont normalement dégonflées pour rester enroulées contre ladite structure gonflable (13a-13f), mais une fois ces rampes dégagées, l'air retenu à l'intérieur de cette structure gonflable (13a-13f) gonfle le conduit (33) de ladite rampe d'embarquement (19), permettant ainsi à cette dernière de se déployer.

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