| 摘要 |
PURPOSE: To provide a cold-storage cartridge fixed with an indicator containing an indicator substance for indicating the fully charged state of a cold-storage medium visibly. CONSTITUTION: A cold-storage cartridge comprises an inner chamber for introducing a cold-storage medium 4, and an indicator for indicating the fully charged state thereof wherein the indicator comprises an indicator substance 13 whose melting temperature Ti is lower than that Ts of the cold-storage medium 4. The indicator substance 13 is held in a container which is in heat-conducting contact with the cold-storage medium 4 and has an optically transparent wall part 8. The indicator is connected with a cold-storage cartridge such that the transparent wall part 8 is visible from the outside. |
