Fabric (woven – knitted – or nonwoven textile or cloth – etc.) – Coated or impregnated woven – knit – or nonwoven fabric which... – Two or more non-extruded coatings or impregnations
Patent
1997-11-06
2000-10-03
Copenheaver, Blaine
Fabric (woven, knitted, or nonwoven textile or cloth, etc.)
Coated or impregnated woven, knit, or nonwoven fabric which...
Two or more non-extruded coatings or impregnations
428327, 442284, 442286, 442290, 442389, 442392, 442393, B32B 516, B32B 104
Patent
active
061272906
ABSTRACT:
Provided is a heat generating bag for footwear having a comfortable temperature regardless of the state of use, namely, when staying still, walking etc., which is thin and avoids an uncomfortable feeling of the wearer. The heat generating bag for footwear is made by having a heat generating composition powder and hot-melt adhesive powder held in the pores of multiporous vegetable fiber non-woven fabrics, such fabrics being heat compressed on a mold compressor, and the obtained sheet shaped heat generating body being packed in an air-permeable bag. The heat composition is held in the pores of multiporous vegetable fiber non-woven fabric layers which are superposed by the adhesion of water. Such non-woven fabric are compressed on a mold compressor, and the obtained sheet shaped heat generating body is impregnated with water or an inorganic electrolyte and then packed in an air-permeable bag.
REFERENCES:
patent: 4496415 (1985-01-01), Sprengling
patent: 5425945 (1995-06-01), Koiso et al.
patent: 5472541 (1995-12-01), Simmons et al.
Koiso Yasuhiko
Suzuki Minako
Wagatsuma Naoto
Yamakawa Masako
Cole Thomas W.
Copenheaver Blaine
Guarriello John J.
Japan Pionics Co., Ltd.
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