| 摘要 |
PURPOSE: A heat-retaining cup is provided to offer good tastes and flavors to beverages by maintaining the temperature of the beverages stored inside to the setting temperature. CONSTITUTION: A heat-retaining cup comprises a heating device(4), a power lamp(5), and an adjusting switch(6). The heating device is formed in a spiral shape on the top of a supporting stand(2) on which the cup with a grip is put on. The power lamp informs an operation state of the heating device. The adjusting device adjusts the operation and the temperature of the heating device. |
