Patent ID: 6127294
Filing Date: 2000-10-03
Classification: A61F,F24V,Y10T

Abstract:
A sheet shaped heat generating body, comprising a layer of nonwoven fabric (b) superposed on a lower surface of a layer of nonwoven fabric (a) having numerous voids, and a layer of nonwoven fabric (c) superposed on an upper surface of the nonwoven fabric (a), a powdered warming composition and a heat-fusible adhesive powder disposed in the voids of the nonwoven fabric (a) and between the superposed layers of the nonwoven fabric (a) and nonwoven fabric (c), wherein the nonwoven fabric (a) and nonwoven fabric (c) are partially bonded by a plurality of fused areas of said heat-fusible adhesive powder and the body is impregnated with water or an aqueous solution of an inorganic electrolyte.