Preparing air bag vehicle restraint device having cellulose cont

Details Preparing air bag vehicle restraint device having cellulose cont Preparing air bag vehicle restraint device having cellulose cont

1992-06-01

1995-04-04

Miller, Edward A.

Land vehicles

Wheeled

Attachment

102251, 102285, 149 14, 149 15, 149 137, 149 61, 280741, C06B 4512, B60R 2126

Patent

active

054030358

ABSTRACT:
The present invention provides a cellulose-based propellant for generating gas to inflate an air bag in a vehicle occupant restraint system. In one embodiment, the propellant includes cellulose in combination with an alkali nitrate oxidizer, such a potassium nitrate, and Kaolinite clay for increasing the viscosity of the residue resulting from combustion of the propellant. Also included in the present invention is a method for producing the propellant and incorporating the propellant into an air bag restraint system. In one embodiment of the method, cellulose fiber in the form of pulp board or wood pulp is soaked in a solution that includes an oxidizing agent to produce a slurry, the slurry is then formed into a sheet of a desired density, the sheet is then at least partially dried, if required, and then formed into a desired shape for incorporation into a vehicle restraint system that employs an air bag.

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