| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a packaging device 1 enabling easily loading and unloading boxes and piling them on each other without causing a collapse of piled boxes 13 even when a lid 14 is arranged on the box 13. <P>SOLUTION: A stopper 30 is arranged on two sides along the lengthwise direction of an upper frame portion 22 of the box 13, and stopper portions 32 stand on each stopper 30. When the box 13 is piled up, the bottom portion of the upper box 13 is positioned and arranged only between the inner sides of the stopper portions 32 of the lower box 13. When the box 13 is unloaded, the upper box 13 is moved in the lengthwise direction of the lower box 13 where there are no stoppers portions 32. The stopper portions 32 support the piled upper box 13 upward protruding from the lid 14, even when the lid 14 is arranged between the inner sides of the stopper portions 32 and on the upper frame 22. <P>COPYRIGHT: (C)2004,JPO |
