| 摘要 |
PROBLEM TO BE SOLVED: To keep the inside of a food warmer at a proper temperature for many hours, and to deliver warm food to respective homes by warming object food by arranging a plate warmed by a heater in the food warmer. SOLUTION: A food warmer 1 having a plate 4 instantly warms object food by a rising temperature from a plate 1, and keeps the inside of the food warmer at a proper temperature for many hours since heat of the plate 1 is released so that warm food can be delivered to respective homes by warming the object food. Since a raw material of the food warmer 1 is high in warming performance and has a characteristic noncontractible even by a temperature change, the food warmer 1 can be formed of an economical material. Since a construction material of the plate 4 is aluminum, it is lightweight and has durability and is high in warming performance, so that the plate 4 can be formed of an economical material similarly to the food warmer 1.
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