| 摘要 |
An airbag device includes a bag element. The bag element includes a bag body that has a hole portion; and a tube vent that is formed in a cylindrical shape with both ends open. The tube vent has a proximal end connected to the bag body along the hole portion and is rolled up from a distal end of the tube vent toward a proximal end of the tube vent. The tube vent is unrolled as the bag body is inflated and deployed, and discharges gas from the bag body when the distal end extends outside the bag body.
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