| 摘要 |
PROBLEM TO BE SOLVED: To provide a packaging box capable of preventing wrinkles occurring on an outer flap.SOLUTION: The packaging box 1 has cutout parts 16 which are cut out at a constant length at both ends of the box, formed on a folding line 12 to which an upper outer flap 9 is continuously formed and on a folding line 13 to which a lower outer flap 10 is continuously formed. |
