| 摘要 |
PURPOSE:To obtain a low-temperature chamber which enables preventing deterioration in quality of articles caused by contact with an inner casing. CONSTITUTION:An inner casing 3 which has good thermal conductivity and forms a storage chamber 10 inside is placed inside an insulating outer casing 2 with a specified space therebetween. By circulating cool air between the outer casing 2 and the inner casing 3 cooling of the storage chamber 10 is effected indirectly through the walls of the inner casing 3. Spacer members 41, which are permeable to air, are placed inside the inner casing 3 on the side of the storage chamber 10 with some space from the inner casing. |
