| 摘要 |
PROBLEM TO BE SOLVED: To provide a packaging container which is prepared by partially cutting one sheet so as to be assembled and disassembled, is reduced in cut off portion of the sheet, is improved, particularly in work efficiency when the container is opened, and cannot be easily crushed even in its stacked state. SOLUTION: When one sheet 1, wherein a scoring is formed by a corrugated medium, is cut off to assemble a rectangular container comprising a bottom part T and four side faces S surrounding the bottom part T, a fold lines m, n at the boundaries of the bottom part T and the side faces S are inclined at 45 degrees relative to the scoring direction, and the side faces S are folded back along fold back lines q, r to form the side faces S into a double construction so that each corner of the sheet 1 is located inside face of the side face S. A cover reinforced with ribs is releasably attached to the assembled container.
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