All-glass header assembly used in an inflator system

Details All-glass header assembly used in an inflator system All-glass header assembly used in an inflator system

1993-03-10

1995-04-04

Gaffin, Jeffrey A.

Electricity: electrical systems and devices

Igniting systems

10229214, 180282, F23Q 300

Patent

active

054042631

ABSTRACT:
An all-glass header assembly is provided for use in an air bag system that is located in a vehicle. The header assembly acts to initiate flow of gases into the air bag. The header assembly includes an eyelet having a bore that receives an all-glass insulating body that is flush with an outer surface of the eyelet. A center electrode pin is located through a preformed hole in the center of the glass insulating body. A side electrode pin is welded to the eyelet. Electrical current flows through the two electrode pins when predetermined power is applied at a desired time. In making the all-glass header assembly, a fixture system and process are employed for achieving flushness among the eyelet, glass insulating body and center electrode pin while avoiding unwanted voids, bubbles or cracks in the glass insulating body.

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