GAS GENERATOR

A gas generator G of the present invention has a construction in which a holder 3, 73 is fitted into a cup case 1, 71 and a tube-like case 2 or a container body 72 and enclose gas generants P and ignition agents 6, 76. The holder 3, 73 is formed of resin. A metallic reinforcement 4 is integrated with the resin holder 3by insert molding. Or, a ring body 74 for sealing the cup case 71 and the holder 73 is mounted on the holder 73.