A flotation device comprises an inflatable object 1 having an outer surface 8, an internal bladder unit, wherein the unit comprises an inner bladder 14 and an outer bladder 10, and a rope 4 attached to the outer surface of the object. The bladder unit may inflate to a pressure between 60 and 120kPa. The object may comprise a spherical ball or a prolate spheroid ball. The ball may have a circumference of between 500mm and 800mm, and preferably be 700mm in circumference. The outer surface may be smooth, textured or a combination thereof, and may comprise dimples. The rope may be attached to the object by means of a male/female arrangement, a loop and karabiner arrangement, by a closed loop arrangement where the rope is spliced back on itself integrally, or clamped by a galvanized metal or plastic collar. The rope 4 may comprise Light Emitting Diodes (LEDs) along its sides, and the rope may be fluorescent, with the object being fluorescent/partially fluorescent. The specification further comprises a housing (fig 3A, 3B) having a door (202, fig 3A) for the object and comprises a compression alarm that is sounded if the door is opened and/or the device is removed.
A flotation safety device
29.05.2019
Patent
Elektronische Ressource
Englisch
IPC: | B63C LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS , Zuwasserlassen, Trockenstellen, Docken oder Bergen von Schiffen |