| 摘要 |
<p>PROBLEM TO BE SOLVED: To reinforce a side wall and a bottom of a foldable box, and to facilitate the lamination. SOLUTION: In a foldable box to be formed by folding a paper-like material 10, a side wall 21 comprises a pair of single walls 21a, 21b opposite to each other and a pair of double walls 21c-21f opposite to each other, a pair of single walls 21a, 21b opposite to each other are formed so as to be cut and bent out of the paper-like material 10, a first external wall 21c, a first internal wall 21e, a bottom 23, and a second internal wall 21f are successively formed, a second external wall 21d and a cover part 24 and continuously formed, and a first internal wall 21e, the bottom 23, and the second internal wall 21f are folded into a space to be surrounded by the single walls 21a, 21b and the first and second external walls 21c, 21d. The cover part 24 is folded so as to cover the second internal wall 21f, a connection part 23b is formed to connect the first external wall 21c to the second external wall 21, and the connection part 23b supports the bottom 23 from the lower side.</p> |
