| 摘要 |
A method for providing at least one or more penetrating portions and/or joint portions in an air bag system which is housed in an instrument panel and in which an inflator is ignited by a signal from an acceleration sensor at the time of frontal collision of a vehicle, whereby an air bag is deployed by gas generated so as to restrain a front seat occupant, the air bag having an opening through which the generated gas is allowed to flow in the air bag, a gas flow path portion and a occupant restraint portion.
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