Gas generating material
First Claim
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1. Structure for generating gas, said structure comprising:
- a grain made of an azide based material which generates gas upon combustion;
said grain having an ignition enhancing coating thereon comprising;
30 to 50% by weight of an alkali metal azide, 40 to 60% by weight of an inorganic oxidizer, 5 to 15% by weight of boron, and 1 to 15% by weight of a metal silicate.
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Abstract
Structure for generating nitrogen gas for inflating an air bag vehicle occupant resistant comprises a grain made of an azide based material which generates gas upon combustion. The grain has an ignition enhancing coating thereon consisting essentially of 30 to 50% by weight of an alkali metal azide, 40 to 60% by weight of sodium nitrate or potassium perchlorate, 5 to 15% by weight of boron, and 1 to 15% by weight of sodium silicate. The coating may also include 1 to 6% by weight of graphite fibers as a roughening agent.
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10 Claims
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1. Structure for generating gas, said structure comprising:
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a grain made of an azide based material which generates gas upon combustion; said grain having an ignition enhancing coating thereon comprising;
30 to 50% by weight of an alkali metal azide, 40 to 60% by weight of an inorganic oxidizer, 5 to 15% by weight of boron, and 1 to 15% by weight of a metal silicate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification