F - Mech Eng,Light,Heat,Weapons – 24 – J
Patent
F - Mech Eng,Light,Heat,Weapons
24
J
12/2, 44/3
F24J 1/00 (2006.01)
Patent
CA 2004292
A disposable body warmer comprising a flat bag and, put in a flat form having a thickness of 2 to 5 mm, a heat generating agent composed of 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, a heat genaretion promotor and common salt or sodium chloride. The flat bag is provided with one air-permeable surface having air permeability per unit time limited to 5000 to 10000 sec/100 cc so as to bring about a reduction in the pressure accompanying oxidative heat generation of the heat generating agent packed in said flat bag, and the other surface of the flat bag is provided with a nontransferable self-adhesive layer.
Mycoal Warmers Company Limited
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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