| 摘要 |
PROBLEM TO BE SOLVED: To provide a web corner type paper container which hardly causes a change of appearance and also improves a lock property.SOLUTION: On a front side plate 2 and a rear side plate 3, small flaps 6, 7 are respectively connected to upper edges thereof via a fold line of which a center part is inflated outward in a curved shape, and notches 6a, 7a are formed on top edge center parts of the small flaps 6, 7. On a left side plate 4 and a right side plate 5, a left half cover plate 8 and a right half cover plate 9 are respectively connected to upper edges thereof via a fold line and insertion pieces 8a, 9a for engagement are respectively connected to the top edges of the left half cover plate 8 and the right half cover plate 9. The small flaps 6, 7 are folded to the inside, the left half cover plate 8 and the right half cover plate 9 are folded to the inside so as to face the insertion pieces 8a, 9a to each other, and the insertion pieces 8a, 9a faced to each other are inserted to notches 6a, 7a of the small flaps 6, 7. |
