| 摘要 |
PROBLEM TO BE SOLVED: To prevent the occurrence of defective appearance, such as cracks, at a breakage scheduled part due to deterioration and shrinkage of a skin and besides to,reliably break at the breakage scheduled part during expansion of an air bag, and to facilitate manufacture in low cost. SOLUTION: In a member on the car room member formed such that a skin 12 in which the breakage scheduled part 14 of an air bag is formed is formed integrally with the upper surface of a synthetic resin foamed layer 11, a groove-form thin section part 13 having a bottom inner surface 13a consisting of a curved surface and a thick section edge part 15 protruding at the peripheral edge of the groove-form thin section part are formed on the back side of the skin along the breakage scheduled part. |
