Stoves and furnaces – Heaters – Chemical
Patent
1980-04-02
1983-01-04
Straub, Gary P.
Stoves and furnaces
Heaters
Chemical
126201, 44 3R, 44 3A, 44 3C, F24J 100, A61F 700, F24J 300
Patent
active
043668046
ABSTRACT:
A warming device in which a mixture of iron powders and metal salts of acids are contained in an inner pouch having gas-permeability and water-permeability, and the inner pouch and a water-carrying member containing water are put in an outer covering body having thermo-regulating holes. The device provides heat by the exothermic reaction caused by oxidizing the iron powder.
REFERENCES:
patent: 1609958 (1926-12-01), Perrault
patent: 1819807 (1931-08-01), Baysinger
patent: 2573791 (1951-11-01), Howells
patent: 3976049 (1976-08-01), Yamashita et al.
patent: 4106477 (1978-08-01), Feld
patent: 4106478 (1978-08-01), Higashijama
patent: 4205957 (1980-06-01), Fujiwara
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