Cold insulation device

Abstract

To provide a cold insulation device capable of ensuring a sufficient cold insulation holding time by using two or more kinds of cold storage agents having different melting points.SOLUTION: A cold insulation device 100 comprises: a cold insulation chamber 1 provided inside a heat insulating box body; two or more types of cold storage agents 10 with different melting points that are arranged on a plurality of inside lateral surfaces 2 of the cold insulation chamber 1; and a heat transfer unit 13 that is arranged on the plurality of inside lateral surfaces 2 of the cold insulation chamber 1 via the cold storage agents 10.SELECTED DRAWING: Figure 1

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