| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide such capability as simultaneously attaching both the first and second sealing unit when fusible base material is welded to an air bag body. SOLUTION: In the present sealing unit, a sealing body 14 placed in its connection by means of a flexible supporter 13 is formed at a blow-in port 1, and on the other side, an air blow-out port, the first sealing unit A having a check valve 16 on this blow-out side and on one side of the second air route 20, an exhaust air in flowing port 21 and an exhaust air discharging port 22 are formed an on discharging port 22, the second sealing unit A' for forming a sealing body 23 placed in its connection by means of the flexible supporter 13 is provided, and the first sealing unit A and the second sealing unit A' are formed as a pair on a base material B to which they are to be welded.</p> |
