| 摘要 |
A packing box has a bottom surface formed double by folding flaps 11 through 14 extending downward from respective four side surfaces 1 through 4 such that mutually-opposing flaps are folded in a pair. Cushioning members 31 through 34 are individually disposed at four corners of an inner bottom of the packing box. Smaller flaps 51, 52 are formed in the flaps 11 and 12 which constitute an inner bottom surface of the double bottom surface. Notches 51a, 51b, 52a, and 52b are formed in the smaller flaps 51, 52 to come into contact with the corresponding outer shapes of the cushioning members 31, 32, 33, and 34 when the smaller flaps 51, 52 are raised. By raising the smaller flaps 51, 52, the cushioning members 31 through 34 are held between the side surfaces 1 through 4 of the box and the notches 51a, 51b, 52a, and 52b.
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