METHOD FOR KEEPING PACKED FOOD AND DRINK IN HOT STATE OVER LONG PERIOD

摘要

PURPOSE:To keep a food or drink in hot and delicious state over a long period, by placing a heat-generating heating agent in a container of a food or drunk, packing a food or drink in the container and irradiating the food, etc., with far infrared radiation. CONSTITUTION:A heat-generating heating agent is placed in a container of a food or drink to enable the conduction of heat generated by exothermic reaction to the food or drink. A food or drink such as cooked rice, soup, etc., is filled in the container and is irradiated with far infrared radiation. The food, etc., can be maintained in not state by this process.