HEATING APPLIANCE
A heating implement includes a sheet-shaped main body sheet having an exothermic element, and a projection part sheet provided on a surface on one side of the main body sheet; the projection part sheet has a projection part projecting toward the one side; assuming that a magnitude of a load when the...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | A heating implement includes a sheet-shaped main body sheet having an exothermic element, and a projection part sheet provided on a surface on one side of the main body sheet; the projection part sheet has a projection part projecting toward the one side; assuming that a magnitude of a load when the projection part is pressed in a direction opposite to a projecting direction of the projection part is a first axis, and an amount of crush of the projection part is a second axis, a profile of a relationship between the load and the amount of crush includes a first region (R1) in which the amount of crush increases as the load increases, and a second region (R2) located on a side in which a value on the first axis is larger than that in the first region (R1) and having a larger increase rate of the amount of crush associated with increase in the load than the first region (R1); and a range of the second region (R2) is wider than that of the first region (R1) in a direction of the first axis. |
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