Explosive and thermic compositions or charges – Containing nitrated metallo-organic compound – Nitrated organic compound of lead
Patent
1996-10-09
1997-07-15
Jordan, Charles T.
Explosive and thermic compositions or charges
Containing nitrated metallo-organic compound
Nitrated organic compound of lead
1022028, C06B 4102
Patent
active
056479247
ABSTRACT:
The invention relates to an electrical initiator which can be used with an automobile air bag or seat belt pretensioner. The initiator comprises a header, a cup, conducting pins, epoxy pin seals, a bridgewire, a primer, and an output charge. The header and the cup are composed of an insulating dielectric material capable of being ultrasonically welded together. The header secures the pins. Each pin is electrically conductive and each is formed with a buttress knurl to form a seal when each pin is inserted into the header. Additionally, the pins are further sealed to the header by an epoxy sealant. The bridgewire connects the pins together on one side of the header. An electrical signal through the bridgewire generates heat igniting the primer. Primer reacts with the output charge that in turn ignites a solid gas generant that produces gas that fills air bags or activates the gas generator that drives seat belt pretensioners. The primer contacts the bridgewire. The output charge contacts the primer. The output charge is in the cup, and the cup is ultrasonically welded to the header to provide, along with the pin seals, an environmentally secure seal.
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Quantic Industries Inc.
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