| 摘要 |
PURPOSE: A disposable paper cup is provided, which can prevent contamination caused from various kinds of bacteria and enables to drink water safely. CONSTITUTION: A disposable paper cup is constituted as follows. One side end of a spread paper sheet is folded in the predetermined length and attached and raw paper with periphery curvature portion is produced. The raw paper is folded in the predetermined location. The side adhesive part of the main body is heated and attached. The periphery curvature portion is formed into the round type. |
