| 摘要 |
PROBLEM TO BE SOLVED: To provide a packaging box which can be opened easily without requiring a tool, and has good workability in opening the box. SOLUTION: The packaging box for packaging product is assembled by folding and superposing a pair of outer top flaps 13, 23 on a pair of inner top flaps 33, 43, and fastening the outer top flaps 13, 23 to the inner top flaps 33, 43 with staples 60 across the outer top flaps 13, 23. A pair of lateral cutting break lines 50 and each two pairs of vertical cutting away break lines 52 are formed on each of the pair of the outer top flaps, where the lateral cutting break lines 50 are provided on the inner side in a vertical direction of stapled positions, and the vertical cutting break lines 52 are provided on the inner side in a lateral direction of the stapling positions and connect each of the edges 14, 24 to each one pair of the lateral cutting break lines 50. A cut/rise piece 54, 55, and 56 are formed at least on one ends of one pair of the lateral cutting break lines 50 and one pair of the vertical cutting break lines 52. COPYRIGHT: (C)2006,JPO&NCIPI
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