| 摘要 |
<p>PROBLEM TO BE SOLVED: To obtain a packaging box which can adequately protect contents from an external impact without using a separate partition plate or a separate cushioning material, and can simplify a process in which an assortment of contents is packaged. SOLUTION: In the cardboard packaging box for housing the contents A apt to be easily damaged by the external impact, bottom pieces 5B, 5F, 5L and 5R, which form a bottom wall of the packaging box, are molded continuously at lower edges of respective side wall pieces 1B, 1F, 1L and 1R of a surrounding wall 1 assembled into a solid whose front wall piece is formed in a quadrilateral-frame shape, respectively; the adjacent bottom pieces 5B, 5F, 5L and 5R are coupled together by coupling pieces 66; the bottom pieces 5B, 5F, 5L and 5R are raised at an approximately right angle with respect to the respective corresponding wall pieces 1B, 1F, 1L and 1R, when the surrounding wall 1 is assembled into the solid; the partition plates 8L, 8R, 11f and 11B, which are located inside the packaging box, are molded continuously in the bottom pieces 5B, 5F, 5L and 5R in a state approximately parallel to the respective corresponding wall pieces 1B, 1F, 1L and 1R, when the surrounding wall 1 is assembled into the solid; and cushioning for the contents A is performed by using the partition plates 8L, 8R, 11f and 11B assembled in parallel crosses.</p> |
