| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an air bag that is manufactured by a simple method appropriate for mass production and that is excellent in pressure resisting characteristics.SOLUTION: An air bag is configured by coupling outer peripheries of panels 2 and 3 together by sewing. The air bag is configured by being sewn in a coil shape with a sewing thread 4 in such a manner as to wind up ends of all the panels 2 and 3 to be coupled. The air bag enables an improvement in productivity, eliminates the risk of stitch skipping caused by poor tension, and enables the expectation of an improvement in the effect of suppressing gas leakage.</p> |
