Inflator seal
First Claim
1. A source of gas including a chamber from which inflating gas is developed, exit ports at one side of said chamber, a seal means overlyiNg said exit ports, said seal means including a seal disc and adhesive, said seal disc containing at least one convolution, said seal disc attached to said source by said adhesive binding the outer extent of said seal disc to said source, said adhesive rupturing at a pressure lower than the pressure of the inflating gas exiting from said source, said gas directed by said seal disc on exiting from said exit ports to pass through said adhesive on rupture thereof, and said seal disc further attached to said source at a location separate from the area of adhesion to said source.
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Accused Products
Abstract
Gas supply device employing a seal means which on activation of the device serves as a diffuser through which the gas passes from the source to the point of use.
24 Citations
5 Claims
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1. A source of gas including a chamber from which inflating gas is developed, exit ports at one side of said chamber, a seal means overlyiNg said exit ports, said seal means including a seal disc and adhesive, said seal disc containing at least one convolution, said seal disc attached to said source by said adhesive binding the outer extent of said seal disc to said source, said adhesive rupturing at a pressure lower than the pressure of the inflating gas exiting from said source, said gas directed by said seal disc on exiting from said exit ports to pass through said adhesive on rupture thereof, and said seal disc further attached to said source at a location separate from the area of adhesion to said source.
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2. A gas source as claimed in claim 1, said second point of attachment of said seal disc to said source being substantially in the center of said seal disc.
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3. A gas source as claimed in claim 2, further including gas generation powder contained within said chamber and means for igniting said powder in said chamber responsive to external signal for ignition.
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4. A gas source as claimed in claim 3, said seal disc containing a plurality of convolutions.
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5. A gas source as claimed in claim 4, further including an inflatable restraint and manifold means connecting said restraint to said gas source to supply gas passing through said ruptured adhesive to said inflatable restraint.
Specification