COLD-HOT STORAGE BOX AND PRODUCTION METHOD THEREFOR

摘要

The present invention relates to a cold-hot storage box which can be used as a constant temperature box, a refrigerator for household use, or a freezer, and to a manufacturing method therefor. The cold-hot box of the present invention being characterized by the provision of an insulating container comprising a space of a double walled container made from an inner container and an outer container, enclosing at least one gas having low thermal conductivity selected from the group consisting of xenon, krypton, and argon.