Abstract: A method for manufacturing a heat insulation box, wherein said method involves disposing an outer box over the outside of an inner box such that there is space therebetween, covering an opening with an elastic sheet from the outside of the outer box, inserting a jig into the opening from the outside of the outer box to force the elastic sheet into the space between the inner box and the outer box, and injecting the urethane foam heat insulating material into the space between the inner box and the outer box so as to foam therein to form a recess with the elastic sheet tightly adhering to the surface thereof.

Abstract: A method for manufacturing a heat insulation box, wherein said method involves disposing an outer box over the outside of an inner box such that there is space therebetween, covering an opening with an elastic sheet from the outside of the outer box, inserting a jig into the opening from the outside of the outer box to force the elastic sheet into the space between the inner box and the outer box, and injecting the urethane foam heat insulating material into the space between the inner box and the outer box so as to foam therein to form a recess with the elastic sheet tightly adhering to the surface thereof.

Abstract: A drug refrigerator capable of temperature control with a small fluctuation range in interior temperature is provided. This is the drug refrigerator in which cold air in a cooling chamber partitioned by a vertical partition plate in the back of an interior is circulated into the interior by a fan. A cold air inlet is formed above the center of the vertical partition plate. At right and left positions lower than a cooler in the cooling chamber, forward-facing cold air outlets are provided. A downward-facing cold air outlet for blowing out cold air toward a bottom part of the interior is provided at a position lower than the forward-facing cold air outlets. The circulation amount of cold air blown out through the forward-facing cold air outlet is made larger than the circulation amount of cold air blown out through the downward-facing cold air outlet.

Abstract: A drug refrigerator capable of temperature control with a small fluctuation range in interior temperature is provided. This is the drug refrigerator in which cold air in a cooling chamber partitioned by a vertical partition plate in the back of an interior is circulated into the interior by a fan. A cold air inlet is formed above the center of the vertical partition plate. At right and left positions lower than a cooler in the cooling chamber, forward-facing cold air outlets are provided. A downward-facing cold air outlet for blowing out cold air toward a bottom part of the interior is provided at a position lower than the forward-facing cold air outlets. The circulation amount of cold air blown out through the forward-facing cold air outlet is made larger than the circulation amount of cold air blown out through the downward-facing cold air outlet.