| 摘要 |
PROBLEM TO BE SOLVED: To reduce heat loss between the inside and outside of a machine transferring through a merchandise carrying-out door provided at a merchandise carrying-out opening of a heat insulating inner door. SOLUTION: The swingable merchandise carrying-out opening is provided in the heat insulating inner door blocking the front of a case of a main body. The merchandise carrying-out door 70 to prevent cool air or warm air in the case from flowing out by blockading the merchandise carrying-out opening is formed. To form the merchandise carrying-out door 70, a hollow part 71 is formed by a gas-assist forming, and air is sealed in the hollow part or air in the hollow part is evacuated to impart heat insulating properties. Therefore, heat loss between the inside and outside of a machine transferring through a merchandise carrying-out door can be suppressed. COPYRIGHT: (C)2004,JPO
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