| 摘要 |
PROBLEM TO BE SOLVED: To provide such an air bag door of an air bag device for a vehicle so as to properly ensure together rigidity as the air bag door except the thinnest part in a burst part of the air bag door, breaking performance of the burst part, and uniformity in a surface of the air bag door. SOLUTION: A burst part 63 of an air bag door 60 is formed so as to thin from a reverse side over to an obverse side of a cover 61. Right/left both side inner walls 64 of the burst part 63 are formed in a symmetrical sectional shape with a top part 63a of the bust part 63 serving as the reference, these right/left both side inner walls 64 are constituted of a top side inner surface part 64a and a skirt side inner surface part 64b. In addition, a part except the top part 63a of the top side inner surface part 64a and the skirt side inner surface part 64b are both formed in a linear section. |
