Air bag apparatus for passenger seat

摘要

In an air bag apparatus for a passenger seat, an air bag door has three layers: a door base member, a shell and a foam layer charged between the door base member and the shell. A groove-shaped rib is formed in a rearward end-side portion of the door base member of the air bag door. A grommet is fixed at each of the opposite ends of the rib. A strap formed of a looped resin-made cord formed by knotting the two end portions of the cord is laid in the rib, extending through the grommets. The strap is covered with a heat-shrink tube that prevents degradation of the strap due to influence of a component material of the foam layer.