Patent ID: 8590930
Filing Date: 2013-11-26
Classification: B60R,C06D,F42B

Abstract:
1. A gas generator comprising: an igniter having an ignition portion and a conductive pin; a collar holding the igniter, a metallic cup-shaped case fixed to the collar and having a fragile portion, and charged therein with a gas generating agent, the collar being formed by integrating a metallic portion and a resin portion, and the resin portion having a resin columnar part enclosing at least part of a peripheral surface of the ignition portion, the metallic portion being in a substantially cup-like shape having an annular bottom surface part and a circumferential wall, and an outer diameter of the circumferential wall being set to be larger than an outer diameter of the resin columnar part, the cup-shaped case having an annular bent portion obtained by bending inward an end portion of an opening thereof, the annular bent portion including an annular bent corner, an annular tilted surface, and an annular terminal end, and the annular tilted surface including an outer annular tilted surface facing toward a side of a peripheral surface of the cup-shaped case and an inner annular tilted surface facing the opposite side thereof, in the cup-shaped case and the collar, the inner annular tilted surface of the annular bent portion pressing against a peripheral surface of the columnar part of the resin portion.