| 摘要 |
<P>PROBLEM TO BE SOLVED: To effectively cool a rice ball or boiled rice packed in a container such as a lunch box. <P>SOLUTION: The method for cooling the food is carried out as follows. The rice ball 1 as a material to be cooled is placed on a punched plate 2 having ventilation properties and air sucked with an air vacuum apparatus 3 arranged under the plate 2 is passed through the interior of the rice ball 1 to thereby cool the rice ball 1 from the interior thereof. <P>COPYRIGHT: (C)2004,JPO |
