B - Operations – Transporting – 63 – C
Patent
B - Operations, Transporting
63
C
114/68.1
B63C 9/10 (1980.01)
Patent
CA 1111714
ABSTRACT OF THE DISCLOSURE Lifesaving apparatus in the form of a jacket having appended sleeves and a collar includes pliable inner and outer shells that are joined along construction seams which define several closed, isolated pockets. Each pocket contains at least one laminar slab of thermally insulative, closed-cellular foam flotation material that is positioned to define a vacant margin alongside each seam. This seam construction results in a flotation garment that is less restrictive and more comfortable and which permits a high degree of user mobility either in or out of the water. Flota- tion material in the collar, together with its compliant seam, causes the collar to rise automatically to support at least partly the head of a subject when immersed in water. Vents in the back of the jacket provide normal ventilation and also exhaust any air that may be trapped in the jacket to avoid turning an unconscious swimmer face down in the water- whereas unequal buoyancy in the chest and back portions produce a turning moment to rotate the swimmer face upwards and on his back. And, exposure to low water temperatures is reduced by a protective hood and by openable closures at the wrists, neck and waist that minimize water flow through the jacket.
327149
Almarin Canada Ltd.
Michaels & Associates
LandOfFree
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