| 摘要 |
PURPOSE: A paper cup is provided, which makes keeping and carrying convenient by reducing volume in comparison with a normal cup. CONSTITUTION: A paper cup comprises an outer cup(100) and an inner cup(200). The outer cup is constituted as follows. At least two folding lines are formed in the board of the paper material. An indentation part(180) composed of circular or ellipse folding line is formed. Both side ends of the board contacts with each other or stuck to each other. The inner cup is constituted as follows. The body of the cup type made of plastic material is injection-molded. The molded product is inserted into the outer cup. A folding lined and indentation part are formed. |
