Patent ID: 6854395

Claim:
An inflator for an air bag, comprising: a housing having a gas discharging port; a combustion chamber provided in said housing and accommodating a molded article of a gas generating composition which is burnt to generate a gas; and ignition means provided in said housing for igniting the molded article of a gas generating composition; wherein the molded article of the gas generating composition comprises a gas generating agent containing (a) a fuel selected from the group consisting of triazine derivatives, triazole derivatives, tetrazole derivatives, guanidine derivatives, azodicarbonamide derivatives, and hydrazine derivatives and (b) a metal-containing oxidizing agent selected from the group consisting of oxy acid salts, metal oxides, metal complex oxides, metal peroxides, and basic metal nitrates and meets the following requirements (A) and (B): (A) the (theoretical) combustion flame temperature of the molded article of the gas generating composition is 2000° C. or less, and part or the whole of the metal or metal oxide after combustion of the molded article of the gas generating composition has a melting point not lower than the combustion flame temperature; and (B) bulk combustion residues remain in the combustion chamber at the time of combustion of the molded article of the gas generating composition.