| 摘要 |
<p>PROBLEM TO BE SOLVED: To improve work efficiency of assembling a packing box with a tamper evident mechanism by enabling a lock piece to be inserted to an insertion hole easily.SOLUTION: A packing box 1 comprises: a box body 2 for storing a product; a lid body 3 for blocking an upper opening 20 of the box body 2; a lock piece 4 and a slit-shape insertion hole 5 with one side provided in the box body 2 and the other side provided in the lid body 3 for regulating the opening of the lid body 3 blocking the upper opening 20, to which the lock piece 4 can be inserted; and a pair of projection pieces 6A, 6B with the same length provided to left and right end parts of the lock piece 4 through folds 15A, 15B. When folded at the folds 15A, 15B, tips of the pair of projection pieces 6A, 6B exceed a center position O1 of the lock piece 4 in a lengthwise direction.</p> |
