| 摘要 |
A technique is provided that is effective to facilitate improving sealing ability against a gas and a remaining residue in a built-in portion between an airbag and an inflator in an airbag device mounted on a vehicle, on which an occupant carries out a vehicle operation in a state of being exposed outside thereof as a normal practice. The airbag device according to one form is an airbag device mounted on a vehicle, on which an occupant carries out a vehicle operation in a state of being exposed outside thereof as a normal practice, and in a built-in state in which an inflators and an airbag are built in to a retainer, an inflator insertion opening edge portion of each of inflator insertion openings, an flange edge portion of an inflator flange, and a retainer opening edge portion of each of retainer openings are disposed so as to overlap in this order in the area of each of the retainer openings, while the inflator insertion opening edge portion, the flange edge portion and the retainer opening edge portion are tightened to be fixed with each other by means of tightening fixture elements, which are each provided into a through hole passing there-through in common.
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