| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an assembly box having a simple structure to improve in shape stability and durability against external force and prevent occurrence of crushing and deformation, without reducing assembling and diassembling workability, dispersing and buffering an excessive external force or impact force to prevent damage, and having excellent impact resistance and shape retainability. <P>SOLUTION: An insertion piece includes one or more projections formed at an upper edge on the leading end side of the insertion piece, and abutting on an inner surface of a side upper wall part located at a side part while being held in a hollow part of the side part. <P>COPYRIGHT: (C)2013,JPO&INPIT |
