| 摘要 |
PROBLEM TO BE SOLVED: To provide a bag for a heating pad, which enables the temperature of the heating pad to be adjustable and has a hole allowing the heating pad to be used at a preferred temperature. SOLUTION: By forming a ventilation hole 2 on a bag 1, heat of reaction generated by a chemical reaction in a heating pad 3 in the bag is released depending on the size of an air hole. The temperature is adjusted by the size of the ventilation hole 2, and the heating pad can be used at a preferred temperature. When the ventilation hole 2 is made to be 3 mm, 5 mm, or 8 mm, the temperature of the heating pad 3 in the bag can be kept at around 28°C, 38°C, or 48°C, respectively. COPYRIGHT: (C)2007,JPO&INPIT
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