Self-righting inflatable life-raft

Details Self-righting inflatable life-raft Self-righting inflatable life-raft

1997-12-16

1999-07-27

Swinehart, Ed L.

Ships

Boats, boat component, or attachment

Inflatable

441 40, B63B 700

Patent

active

059272287

ABSTRACT:
Self-righting inflatable life-raft (1) comprising a peripheral edge (2) consisting of at least one inflatable tubular chamber surrounding a bottom (3) secured in leaktight fashion to the said tubular chamber, at least one inflatable tubular hoop (4) extending above the raft between two opposite sides of the inflatable tubular chamber (2); at least two more or less parallel hoops (4) are provided; each hoop (4) is equipped with a reserve of gas (8) projecting from the outside of the hoop (4) and in a region thereof which is at an angle (.alpha.) of approximately 30 to 60.degree. above the horizontal, the assembly formed by the hoop (4) and the reserve (8) being asymmetric with respect to the vertical mid-plane (5) of the raft; and a heavy weight (6, 7) is secured to the raft along that one of its edges that is on the same side as the abovementioned reserves (8).

REFERENCES:
patent: 3092854 (1963-06-01), Manhart
patent: 4180882 (1980-01-01), Kawasaki
patent: 4573933 (1986-03-01), Cameron
patent: 4998900 (1991-03-01), Wright

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