Abstract: The present invention configures a gas generator (A) wherein, with regard to a plug assembly (2), a ring (22) is formed of insulative resin, electrode pins (21) are equipped midway with flange portions (21a), and these flange portions (21a) are integrally formed in a state embedded inside the ring (22), and, in addition, the diameter of the flange portions (21a) is made a larger diameter than the short sides of this opening portion (1a) of the holder (1), the sum of the sector angles (R) formed by the outer peripheral portions (21r) of the flange portions (21a) of the electrode pins (21) located outside the opening portion of the holder (1) and the electrode pins (21) is configured to be 180 degrees or greater, the flange portions (21a) of the electrode pins (21) are further made mutually non-contacting, and the minimum distance (D) between the electrode pins (21) and the periphery of the opening portion (1a) of the holder (1) through which these electrode pins (21) are inserted is made 0.5 mm.

Abstract: The present invention configures a gas generator (A) wherein, with regard to a plug assembly (2), a ring (22) is formed of insulative resin, electrode pins (21) are equipped midway with flange portions (21a), and these flange portions (21a) are integrally formed in a state embedded inside the ring (22), and, in addition, the diameter of the flange portions (21a) is made a larger diameter than the short sides of this opening portion (1a) of the holder (1), the sum of the sector angles (R) formed by the outer peripheral portions (21r) of the flange portions (21a) of the electrode pins (21) located outside the opening portion of the holder (1) and the electrode pins (21) is configured to be 180 degrees or greater, the flange portions (21a) of the electrode pins (21) are further made mutually non-contacting, and the minimum distance (D) between the electrode pins (21) and the periphery of the opening portion (1a) of the holder (1) through which these electrode pins (21) are inserted is made 0.5 mm.