| 摘要 |
An airbag cover for a vehicle includes a casing for an airbag; a top portion for covering the airbag; a tear line; an opening portion; an intermediary portion interposed between the top portion and the airbag, and having a flap portion and a hinge, the flap portion pivoting at the hinge; and a plurality of welding ribs vertically disposed between the intermediary portion and the top portion. The welding ribs have a first welding rib in a peripheral area of the flap portion or the hinge, and a second welding rib other than the first welding rib. The intermediary portion is vibration-welded. The first welding rib has a vertical height so as to contact the top portion before the second welding rib does so that the first welding rib has strength greater than that of the second welding rib.
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