| 摘要 |
<P>PROBLEM TO BE SOLVED: To efficiently assemble a packaging box suitable for packaging fruits and vegetables by a small number of persons in a short period of time. <P>SOLUTION: A blank sheet 1 is used for assembling a packaging box 4 which is assembled by erecting side plates 11, 13 upwardly, and includes a bottom plate 5, two first side plates 11, two second side plates 13, four corner reinforcing flaps 17, two fold-pressing parts 25, two upper end reinforcing flaps 29, four locking flaps 33, and four broken-type flaps 41 continuously connected outwardly to the right and left sides thereof via seventh ruled lines 35, 39 extending diagonally and outwardly from lower parts of third ruled lines 15 at right and left end ridges of the first side plate 11. At least one of the four broken-type flaps 41 is fixed to an inner wall surface 14 of the second side plate 13 at a stage of preliminary assembling before the assembling of the packaging box 4 to function as a riser guide flap 43. <P>COPYRIGHT: (C)2013,JPO&INPIT |
