| 摘要 |
PURPOSE: A cup is provided to prevent spill of water contained in the cup and to improve tactility of the lips when drinking liquid contained in the cup. CONSTITUTION: A cup is constituted as follows. The wall of the cup is cut in a lip shape. When a user drinks liquid contained in the cup, the cut portion of the cup and user's gum come in contact with each other, thereby preventing spill of water. When using the cup, pressure is evenly spread to the gum. |
