| 摘要 |
PURPOSE: A disposable metal cup is provided to prevent the heat of contents contained in an inner cup from being delivered to an outer cup. CONSTITUTION: A disposable metal cup comprises an inner cup(2) and an outer cup(1). The inner cup and outer cup are made of a thin metal plate. The top of the outer cup is wide and the bottom thereof is narrow. The top of the outer cup is connected to the top of the inner cup. A curled unit(3) is formed on the top of the inner cup and outer cup. The bottom of the outer cup is formed to be convex except for the edge thereof. |
