| 摘要 |
PROBLEM TO BE SOLVED: To prevent the freezing of cold insulated articles independently of the arrangement location of the cold insulated articles by preventing the concentration of cold on a part of a cold insulating chamber. SOLUTION: In this transportation cold insulating box, a circulation fan 13 provided in a second partition wall 12 is actuated to put a gap region between a first partition wall 11 and the second partition wall 12 partitioned with spacers 11d, 11d, into a negative pressure condition, so that gas on a floor surface portion of a rear chamber 8 is sucked from the rear chamber 8 into the gap region through grooves 16, 16 provided therein. The gas on the floor surface portion of the rear chamber 8 is cooled into cold gas by contacting the grooves 16, 16 and placement portions 15, 15. The cold gas is discharged from the gap region to a ceiling portion of the rear chamber 8 by the circulation fan 13 and circulated into the rear chamber 8. COPYRIGHT: (C)2004,JPO
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