| 摘要 |
PROBLEM TO BE SOLVED: To obtain a heat insulating box body with a design plate comprising a single part for facilitating processing, and heating the design plate efficiently to prevent dew condensation. SOLUTION: In a heat insulating box body comprising a box body main body provided with a plurality of rooms wherein the inside thereof partitioned by a partition plate 1 is lower than room temperature, and a plurality of opening and closing doors 13 and 14 or the like provided corresponding to each room, a radiation pipe 12 is internally installed close to the door side end part of the partition plate 1, a design plate 11 is installed on the side of the doors 13 and 14 for forming a void part 10, and an air vent hole 19 is provided for flowing the air inside the void part 10 to the design plate 11.
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