Buoys – rafts – and aquatic devices – Water rescue or life protecting apparatus – Personal flotation device
Patent
1989-09-27
1991-11-26
Swinehart, Ed
Buoys, rafts, and aquatic devices
Water rescue or life protecting apparatus
Personal flotation device
441105, 441 90, 2 2, B63C 908
Patent
active
050679210
ABSTRACT:
An inflatable immersion suit is provided with an inner layer which is inherently more elastic than the outer layer so as to ensure a close fitting of the inflated suit around the body of the wearer, thereby providing effective anti-hypothermia protection to the wearer.
REFERENCES:
patent: 1851100 (1932-03-01), Iig
patent: 3369263 (1968-02-01), Kreckl
patent: 3392405 (1968-07-01), Ritzinger, Jr. et al.
patent: 3747141 (1973-07-01), Crockford
patent: 4023223 (1977-05-01), Anderson et al.
patent: 4097947 (1978-07-01), Kiefer
patent: 4734072 (1988-03-01), Lastnik
Shell Internationale Research Maatschappij B.V.
Swinehart Ed
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