Buoys – rafts – and aquatic devices – Water rescue or life protecting apparatus – Personal flotation device
Patent
1986-02-19
1987-11-03
Peters, Jr., Joseph F.
Buoys, rafts, and aquatic devices
Water rescue or life protecting apparatus
Personal flotation device
441102, 441103, B63C 908
Patent
active
047040920
ABSTRACT:
The invention relates to a life-saving garment whose material comprises a buoyant heat insulator (1), preferably an air bladder sheet, as well as to a method of manufacturing said garment. Manufacturing of life-saving garments involves a plurality of working steps, thus increasing the price of a garment. An object of the invention is to provide a simple and effective life-saving garment whose manufacturing costs are low.
The garment substantially comprises two essentially continuous, human-shaped material sheets, affixed to each other only by means of an edge joint (2). One side of the garment is provided with a watertight zipper (3) as well as with a face opening (4), adapted to prevent water from flowing in the opening. The garment preferably consists of two suits placed one inside the other, the top suit being turned inside out, said joints (2) of the suits being confined in an air space (5) between the suits. The life-saving garment is manufactured by affixing to each other two superimposed webs of a heat insulating material, preferably air bladder sheets, preferably by hot welding by means of a die or the like with a continuous edge joint (2), the entire garment being made in a single step into a human shape, preferably by a single depression of said die.
REFERENCES:
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patent: 3463150 (1969-08-01), Penfold
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patent: 4137114 (1979-01-01), Ours
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patent: 4294242 (1981-10-01), Cowans
patent: 4301791 (1981-11-01), Franco
patent: 4392257 (1983-07-01), Furga
patent: 4497679 (1985-02-01), Hathaway
Bartz Clifford T.
Peters Jr. Joseph F.
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