| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an airbag device capable of suppressing gas leakage via a tube vent in a state of the tube vent before extended to the outside of an airbag and quickly and early inflating and deploying the airbag. <P>SOLUTION: In a state before the airbag is inflated and deployed, the tube vent 74 is folded in a roll shape in outward winding around an axis by making an outer peripheral direction of the tube vent 74 as an axial direction from the distal end side. In this state, a base end side of the tube vent 74 is restricted and an opening becomes extremely small, and thereby gas leakage via the tube vent 74 and a hole part 72 is extremely effectively suppressed till the tube vent 74 is extended after the airbag is inflated and deployed. As a result, the airbag can be efficiently and quickly inflated and deployed. <P>COPYRIGHT: (C)2009,JPO&INPIT |
