| 摘要 |
There is provided an airbag cushion which is configured to allow the joint between a distal end portion of a lid member and the airbag cushion by a separable joint member to be released easily and rapidly as a whole, and is able to be inflatable rapidly and substantially uniformly as a whole, and an airbag apparatus having the airbag cushion. A rear panel 14 of an airbag cushion 10 is provided with a vent hole 18 which communicates the interior and the exterior of the airbag cushion 10, and the vent hole 18 is covered with a lid member 60 from the inside of the airbag cushion 10. A distal end portion of the lid member 60 and portions of the front panel 12 and the rear panel 14 of the airbag cushion 10 overlapped with the distal end portion of the lid member 60 are releasably joined by a tear seam 70. The tear seam 70 is broken in 10 to 30 mS after having activated an inflator 36, and started with the inflation of the airbag cushion 10, and the joint among the front panel 12, the rear panel 14 and the distal end portion of the lid member 60 is released.
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