| 摘要 |
<p>PROBLEM TO BE SOLVED: To facilitate the positioning when a sewing part for form regulation is formed, generate no position slippage as well as to obtain a desired swelling form of an air bag main body, and carry out the sewing work simply and rapidly, by preventing the generation of a large wrincle around the sewing part for form regulation, when the air bag main body is developed and inflated. SOLUTION: Plural through holes 21 and 21, or slits are formed to plural base cloths 12 and 13 opposing each other respectively, in the condition sewing the outer peripheral edges 12a and 13a of the base cloths 12 and 13 each other. A sewing part 23 is formed by sewing to surround the outer peripheral edges of the through holes 21 and 21, or the slits of the plural base cloths 12 and 13.</p> |
