Airbag cover, instrument panel, and airbag apparatus

摘要

A technology is provided which is effective for assuredly jointing the housing case side for housing a passenger airbag and the airbag-cover body portion side by means of the vibration welding operation in an airbag cover for covering the passenger airbag of a vehicle. An airbag cover 140 according to the present invention is provided with a plurality of ribs 147 for welding for use in a vibration welding operation on an airbag-cover body portion 141 side, and a plurality of contacting areas 147a formed on respective tip end portions of the plurality of ribs 147 for welding form faces corresponding to an extending surface 146a of a flap portion 146 (Fig. 3).