| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a packaging box capable of keeping a cushioning material in a storage space of a box body when a packed object is removed without losing easiness in fitting the cushioning material into the storage space of the box body. <P>SOLUTION: The packaging box includes: the box body having a polygonal bottom board, a plurality of side boards, and a plurality of bending flaps to be bent on an upper edge of each side board for using a space surrounded by the bottom board and the side boards as the storage space of the packed object; and the cushioning material including a polygonal bottom part equivalent to the bottom board of the box body and a plurality of cushioning side face parts wherein the cushioning material is fitted into the storage space of the box body to be present between the box body and the packed object. Vent holes are formed on the bottom part of the cushioning material. A restrainer having a region bent into the storage space and facing apart the bottom board of the box body is formed on at least one of the bending flaps of the box body. A restrained portion having a region located on the bottom board of the box body to face against the region of the restrainer when the cushioning material is fitted into the storage space of the box body is formed on the cushioning side face part of the cushioning material facing the restrainer. <P>COPYRIGHT: (C)2012,JPO&INPIT |
