| 摘要 |
PROBLEM TO BE SOLVED: To provide a corrugated cardboard-made packaging box having a structure sufficiently suppressing an impact transmitted to an article. SOLUTION: The packaging box 1 includes a lower receivor 4 on which the article w to be packaged is placed, an upper receivor 5 facing the lower receivor 4 via the article, an openable/closable cover 2, and a box 3 housing the lower receivor 4 and the upper receivor 5. The lower receivor 4 has a lower bottom plate 41, a first lower support plate 42 connected to the lower bottom plate 41, and a second lower support plate 43 connected to the first lower support plate 42. The upper receivor 5 has an upper bottom plate 51, a first upper support plate 52 connected to the upper bottom plate 51, and a second upper support plate 53 connected to the first upper support plate 52. The first lower support plate 42 is supported elastically to the second lower support plate 43, and the second lower support plate 43 is supported elastically to the bottom wall. The first upper support plate 52 is supported elastically to the second upper support plate 53, and the second upper support plate 53 is supported elastically to the cover 2. COPYRIGHT: (C)2011,JPO&INPIT
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