Rapid burning propellent charge for automobile air bag inflators

Details Rapid burning propellent charge for automobile air bag inflators Rapid burning propellent charge for automobile air bag inflators

1990-10-01

1991-11-05

Nelson, Peter A.

Ammunition and explosives

Blasting

Contained blasting charge

102374, 102380, 102290, F42B 300, F42B 1510

Patent

active

050623656

ABSTRACT:
A rapid burning propellant charge for applications including igniters, launch eject motors, and gas generators for automobile air bags. The propellant charge comprises a reticulated substrate having a quantity of interconnected ligaments and a coating of solid propellant material on the ligaments. In order to provide a large amount of surface area for a fast burn time, interstices are between coated ligaments to define propellant surface area for combustion. In applications where minimum smoke is desired, the reticulated substrate is preferably composed of carbon, graphite, or a non-combustible material, and the solid propellant material is preferably a minimum smoke type.

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