Pressure regulation device for vehicle safety air bag

Details Pressure regulation device for vehicle safety air bag Pressure regulation device for vehicle safety air bag

Filed on

1987-08-26

Date issued

1989-02-21

Examiner

Bertsch, Richard A.

Patent Class

Land vehicles

SubClass

Wheeled

SubSubClass

Attachment

Other Related Categories

280728, 280731, 280743, B61R 2116, B61R 2128

Type

Patent

Status

active

Patent number

048059307

Description

ABSTRACT:
Stitched thread seams between fabric elements of the envelope of a vehicle safety air bag induce localized distension and opening up of the envelope fabrics along the seams, thereby causing the film coatings of the envelope fabric to rupture along the seam and allow gas to escape and maintain a substantially constant overall maximum pressure, regardless of variations in ambient temperature.

REFERENCES:
patent: 3527475 (1970-09-01), Carey et al.
patent: 3573885 (1971-04-01), Brawn
patent: 3600003 (1971-08-01), Carey
patent: 3887213 (1975-06-01), Goetz
patent: 3892425 (1975-07-01), Sakairi et al.
patent: 3900210 (1975-08-01), Lohr et al.
patent: 3907327 (1975-09-01), Pech
patent: 4097065 (1978-01-01), Okada et al.
patent: 4213634 (1980-07-01), Hoshino et al.

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