| 摘要 |
PROBLEM TO BE SOLVED: To heat an object to be heated to a proper temperature regardless of the weight of the object by a heating device which quickly heats the object. SOLUTION: Water supplied to a heat conduction pipe 28 arranged in a heat accumulating tank 26 filled with a heat accumulating material 27 heated by a heat accumulating material heating means 29 becomes overheated steam through heat exchange with the heat accumulating material 27 and passes through an opening/closing valve 25 and is jetted to the object 24 to be heated in the heating box 21 from the jeating means 22, but a heating time determining means 37 determines the time of heating by the overheated steam according to the weight of the object 24 detected by a weight detecting means 35 and the material of the object 24 stored in a storage means 36 and an opening valve control means 38 opens the opening/closing valve 25 for the heating time determined by the heating time determining means 37, so the heating time is automatically adjusted according to the weight of the object, so that the object 24 which differs in weight can be heated to a proper temperature in a short time.
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