| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a packaging box capable of suppressing illegal unsealing by a simple structure. SOLUTION: In the packaging box 1, a recessed part 4 is provided on one facing surface 2a of one overlap width part 2, and a projecting part 5 fitted into the recessed part 4 is provided on the other facing surface 3a of the other overlap width part 3. An adhesive layer 6 is formed between the recessed part 4 and the projecting part 5.</p> |
