HEAT GENERATING SHEET AND HEAT GENERATING SHEET BAG
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United States of America Patent
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N/A
Issued Date -
Apr 9, 2009
app pub date -
Oct 3, 2008
filing date -
Oct 4, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention relates to a heat generating sheet which includes a plurality of flat heat generating elements disposed in a plane, and two packaging sheet materials between which the flat heat generating elements are interposed, wherein the two packaging sheet materials each have a boomerang shape and a perforation line from which each packaging sheet material is divided into halves, and the two packaging sheet materials and the flat heat generating elements interposed therebetween are thermocompression-bonded together; and a heat generating sheet bag which includes the heat generating sheet, and an air-impermeable flat bag in which the heat generating sheet is enclosed in a hermetically sealed condition, and more specifically, relates to a heat generating sheet accommodating heat generating elements capable of generating heat by contact with oxygen in air; and a heat generating sheet bag enclosing the heat generating sheet in a hermetically sealed condition. There are provided a heat generating sheet and a heat generating sheet bag which are applied to flexions such as elbows, knees and neck in a well-fit manner and can be easily used without a strange feel.
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