Patent ID: 7497871
Filing Date: 2009-03-03
Classification: A61F,Y10T

Abstract:
1. A warmth-retaining cloth useful for emergency rescue comprising a plurality of simple warmth-retaining articles connected together in a plane-like state, wherein the simple warmth-retaining articles comprise a heat insulating material, a cover material and an exothermic article that generates heat in the presence of air and that is inserted between the heat insulating material and the cover material, the heat insulating material being a nonwoven fabric or a resin foam having a thickness of 0.2 to 20.0 mm, a fabric weight of 30 to 700 g/m 2 and a void ratio of 40 to 95%, and the cover material being a nonwoven fabric or a fabric having a thickness of 0.05 to 0.5 mm and a fabric weight of 20 to 100 g/m 2 , wherein the exothermic article is contained in a packaging bag, and the packaging bag has continuous lattice-like partitions, the warmth-retaining cloth has a blanket-like shape and has dimensions of 25 to 160 cm (width) and 30 to 220 cm (length), and is packaged and sealed within a non-air-permeable film external bag while the warmth-retaining cloth is in a deaerated or deoxidized state.