Foot warming heating element and method of manufacturing a...

A - Human Necessities – 61 – F

Patent

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Details

A61F 7/08 (2006.01) A61F 7/03 (2006.01) H05B 3/34 (2006.01) H05B 3/54 (2006.01) C09K 5/16 (2006.01)

Patent

CA 2468331

A foot warming heating element capable of preventing a heating composition from moving by fixing a part or all of the composition in a packaging material by using the shape maintainable heating composition and capable being suitably fitted to the shape of a foot at the time of installation to efficiently warm the specified portions of the foot for a long time irrespective of an air pressure in a storage bag when the heating element is used by sticking on the foot, footware, and socks, characterized in that a heating formed product causing heating reaction under the presence of air and having a shape maintaining degree of 70 or higher is sealed in the storage bag formed of a substrate material and a cover material, and at least a part of the storage bag is a permeable.

L'invention concerne un élément chauffant pour pieds comprenant une composition chauffante immobilisée par fixation d'une partie ou de la totalité de la composition dans un matériau d'enveloppe. La composition chauffante utilisée n'est pas sensible à la pression de l'air dans le sachet de stockage, conserve sa forme et s'adapte de manière adéquate à la forme du pied lorsqu'elle est placé de manière à réchauffer efficacement les parties spécifiées du pied pendant une période prolongée, à l'application de l'élément chauffant sur le pied, les chaussures et les chaussettes. Cet élément est caractérisé par un produit chauffant formé, produisant une réaction de chauffage en présence d'air, et présentant un coefficient de maintien de forme égal ou supérieur à 20, scellé dans un sachet de stockage formé d'un matériau de support et d'un matériau recouvrant, au moins une partie de ce sachet étant perméable.

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