摘要 |
A method of manufacturing a container for receiving a food or beverage and including a heat exchange unit as an integral part thereof. The container is formed with an opening in a closed end thereof which opening is mated with a heat exchange unit containing an adsorbent material and is permanently secured thereto along with a valve and valve cap. The heat exchange unit is charged with a medium which, when activated, will heat or cool the food or beverage in the container depending upon whether the heat exchange unit is exothermic or endothermic. |