| 摘要 |
PROBLEM TO BE SOLVED: To suppress article disposal due to thermal deterioration by moving a duct position, warming all articles to a temperature of thermal deterioration or lower, warming only the minimum sold articles to sale temperature, in an automatic vending machine for cooling or heating and selling articles. SOLUTION: A return duct 5 is moved, all articles are beforehand warmed to the certain temperature, the return duct 5 is moved to the lowest section, and only minimum articles are warmed to an appropriate temperature, and the disposal of articles left unsold due to thermal deterioration can be suppressed. COPYRIGHT: (C)2007,JPO&INPIT
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