| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a packaging box with a locking function of surely preventing a bottom from falling out in a packaging case storing cakes, cosmetics, medical supplies or the like, easily distinguishing an unfair opening after sealing, and simply assembling. <P>SOLUTION: The packaging box has the locking function that an engagement 14, formed on both side edges of a top inserting plate 8 and a bottom inserting plate 9 of a straight carton type packaging box, and, in addition, that the engaging plate passes through and the left side plate 4 and the right side plate 5 are piled up and engaged when the top inserting plate 8 and the bottom inserting plate 9 are inserted into the inside of the packaging box at the outside lower parts of a left top folding plate 10 and a right inserting plate 11, and a left bottom folding plate 12 and a right bottom folding plate 13. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
