FIELD: life-saving devices.
SUBSTANCE: proposed life jacket has one or several buoyancy chambers, filling system and harness. Filling system includes foam generator for filling the chambers with fast-hardening foam at density of 10 to 100 kg/cu m.
EFFECT: maintenance of positive buoyancy in case of mechanical damage and punctures in buoyancy chambers in filled state and reduced sizes in empty state.
1 dwg
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