Patent ID: 6176517
Filing Date: 2001-01-23
Classification: B60R,C06B,C06D

Abstract:
A gas generating apparatus, comprising:a propellant for generating products of combustion including a gas;a confining member located outwardly of said propellant and being adjacent thereto, said confining member including a plurality of spaced holes having an unexpanded state and an expanded state and in which the size of each of said holes in said expanded state is at least 10% greater than the size of each of said holes in said unexpanded state, said holes being defined by at least one of the following: (a) said holes being present before activation of said propellant; and (b) said holes being covered by weakened areas before activation of said propellant;a timing member located outwardly of said confining member for regulating flow of gas; andan ignition assembly for igniting said propellant and operatively joined to said propellant.