| 摘要 |
PROBLEM TO BE SOLVED: To make a container having folding flaps folded complicatedly on a top wall of the container in a simple design, to reduce a process and to make it hygienic. SOLUTION: A plastic part is molded by injection molding with a top of a container which is obtained by formation of a final form including steps of forming a flexible web material with creases into a tube, filling contents in the tubular material, laterally sealing and cutting the tubular material crosswise, folding a primary container obtained by the cutting along the creases, and folding the folding flaps onto the top of the container. |
