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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0484236 (1974-06-28) |
우선권정보 | JA-0074737 (1973-07-04); JA-0101485 (1973-09-08); JA-0005613 (1974-01-10); JA-0022383 (1974-02-27); JA-0005652 (1974-01-05) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 60 인용 특허 : 0 |
A unified structure of a warmer is obtained by accommodating an exothermic composition consisting of iron powder, a chloride or sulfate of a metal having a tendency of ionization greater than iron, active carbon and water in a bag composed of a cloth or cloths and a film or films having aeration hol
A unified structure of a warmer and an air-tight envelope which is used to encapsulate sealingly said warmer at non-service time, said warmer comprising means for enclosing an exothermic composition in contact with water, said means comprising a two layered bag composed of at least one air-permeable
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