Exothermic composition and warming bag containing the same
AssigneesEiichi Ito, Teruchika Taura
InventorMiyako Taura
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Abstract
This invention is an exothermic composition prepared by mixing an iron powder with a mixed fibrous and carbonaceous powder as impregnated with a solution prepared by dissolving a proper amount of a neutral salt in an aqueous solution of an alkali or alkaline weak acid salt so as to mature when left sealed and a warming bag wherein said exothermic composition is contained in a ventilative inner bag provided in a part with a group of ventilating holes and a nonventilative label covering it and this inner bag is contained in a nonventilative outer bag.
Claims3
An exothermic composition for warming bags characterized by being prepared by mixing 20 to 25 parts by weight of an iron powder with a mixed fibrous and carbonaceous powder as impregnated with a solution prepared by dissolving a proper amount of a neutral salt in 8 to 15 parts by weight of an aqueous solution of a 0.05 to 1-normal alkali or alkaline weak acid salt and leaving the mixture as sealed to mature.
Dependencies are inferred from the claim text.