HEATING METHOD FOR RAISING TEMPERATURE OF PACKAGED BEVERAGE

PROBLEM TO BE SOLVED: To provide a heating method for raising temperature of a packaged beverage by which a beverage can be easily heated to constantly raise its temperature up to a proper temperature range when heating the beverage charged in a container such as a plastic bottle even when the amount or the temperature of the beverage in a container are varied. SOLUTION: The heating method for raising temperature of a packaged beverage comprises attaching a thermometer 4 using heat-sensitive ink, lists 5, 6 where the list of respective operation time of a microwave oven necessary to raise the temperature of the beverage in a container 1 up to a prescribed range of temperature from respective pre-set temperatures is addressed, to a container 1 in which each beverage is charged so as to heat the packaged beverage with the microwave oven after checking the operation time of the microwave oven with the lists 5, 6 corresponding to the temperature detected by the thermometer 4 using the heat-sensitive ink. COPYRIGHT: (C)2007,JPO&INPIT