| 摘要 |
A cover for accommodating an air bag, which has a core layer made from hard resin and a surface layer made from soft resin which are formed by a multicolor molding, and is provided at an inner surface with a groove for starting tear at a start of an operation of the air bag, the groove being provided at its bottom with spaced concave holes; is characterized in that the holes are provided only in the core layer, and the hard resin layer is interposed between bottoms of the holes and the surface layer. |
