| 摘要 |
PROBLEM TO BE SOLVED: To provide a disposable tableware which is easily settled on a table and has a shape easy to grip by a paper folding method. SOLUTION: In a blank formed of a substantially disk-like cardboard, a folding line surrounding a bottom wall forming part of a tableware is cut in an octagonal shape at the center thereof, a half-folding line and a half-folding line in the radial direction are alternately cut in an apex thereof to the outer periphery, and the folding line opened in the right-to-left direction are cut from a base part of the half-folding lines, and an arc-shaped folding line connecting the base parts of the adjacent half-folding lines is cut in the octagon. The half- folding line of the blank is outwardly folded to tightly fit right and left triangular areas to each other. At the same time, the blank is formed three-dimensional. The tableware having a raised bottom is obtained when attaching the triangular areas to a side wall of the three-dimensional blank. |
