| 摘要 |
PROBLEM TO BE SOLVED: To provide a paper-made packaging box capable of enhancing the rigidity in the vertical direction while reducing the area required for a blank. SOLUTION: The paper-made packaging box comprises a box body 10 having a rectangular bottom wall 1, a pair of first end frames 12 continuous to the bottom wall 11, a pair of side walls 13 continuous to the bottom wall 11, a pair of second end frames 14 continuous to the side walls 13, and first lid flaps 15 continuous to the side walls 13, having a first breaking means 19 extending in the transverse direction and a second breaking means 21 extending in the longitudinal direction from both ends of the first breaking means 19 on the side walls 13, and having a third breaking means 24 along boundary parts between the side walls and the first lid flaps 15, and a pair of end wall bodies 26 having end walls 27 which are affixed to the first end frames 12 and the second end frames 14 to close an opening part surrounded thereby, reinforcing columnar pieces 28 which are continuous to the end walls 27 and located at corner parts between the side walls 13 and the second end frames 14, and second lid flaps 29 continuous to the end walls 27. COPYRIGHT: (C)2005,JPO&NCIPI
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