Stoves and furnaces – Body warmers
Patent
1989-11-21
1991-09-10
Jones, Larry
Stoves and furnaces
Body warmers
126263, 128399, 128403, 604291, A61F 700, F24J 100
Patent
active
050464795
ABSTRACT:
A disposable body warmer comprising a flat bag and in a flat form having a thickness of 2 to 5 mm, comprising a heat generating agent comprising iron powder as a main ingredient and mixed therewith 9 to 11% by weight of a water-retaining agent, 18 to 22% by weight of water, an oxidation promotor and sodium chloride. The flat bag is provided with an air-permeable surface having an air permeability per unit of 5,000 to 10,000 sec/100 cc so as to bring about a reduction in the pressure accompanying oxidative heat generation of the heat generating agent packed in the flat bag. The other surface of the flat bag is provided with a nontransferable self-adhesive layer.
REFERENCES:
patent: Re32026 (1985-11-01), Yamashita et al.
patent: 2573791 (1951-11-01), Howells
patent: 3301250 (1967-01-01), Glasser
patent: 3976049 (1976-08-01), Yamashita et al.
patent: 4268272 (1981-05-01), Taura
patent: 4516564 (1985-05-01), Korso et al.
patent: 4554193 (1985-11-01), Erickson
patent: 4756299 (1988-07-01), Podella
patent: 4865012 (1989-09-01), Kelley
JP-A-57 207748 3/1983 (Kemitsuku) Abstract.
JP-A-58 092 752 8/1983 (Nihon Paionikusu) Abstract.
Jones Larry
Mycoal Warmers Company Limited
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