Accession Number : ADD018014

Title :   Inflatable Life Vest.

Descriptive Note : Patent, Filed 30 Sep 94, patented 27 Feb 96,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s) : Heath, Cleveland A ; Roy, Maurice W

Report Date : 27 Feb 1996

Pagination or Media Count : 7

Abstract : An inflatable life vest comprises two sheets of polymeric material. The edges of these sheets are sealed to form an inner cavity with a plurality of discrete, inflatable chambers disposed in a U-shaped pattern to define collar and chest portions of the life vest. A manifold connects to an inflation source and has a plurality of openings. A check valve connects each manifold opening with one of the chambers to permit inflation medium flow into the chamber and to block inflation medium flow outwardly from a chamber into the manifold. This construction isolates the chambers from one another so the rupture of one chamber does not affect the ability of the other chambers to be buoyant.

Descriptors :   *PROTECTIVE EQUIPMENT, *INFLATABLE STRUCTURES, *PATENTS, *LIFE PRESERVERS, *VESTS, OPENING(PROCESS), POLYMERS, CAVITIES, RUPTURE, INTERNAL, SHEETS, MANIFOLDS(ENGINES), CHAMBERS, FLOTATION, CHECK VALVES

Subject Categories : Protective Equipment
      Escape, Rescue and Survival

Distribution Statement : APPROVED FOR PUBLIC RELEASE