| 摘要 |
<p>PROBLEM TO BE SOLVED: To save raw materials, and reduce the distribution cost by planning a unique developed shape of a paper container. SOLUTION: An upper wall, a bottom wall, a front wall and a rear wall among constituent walls which constitute an external wall 10 when being built up, are defined with folding lines, and developed in the longitudinal direction, and also, right and left side walls being connected to either one of these walls, are defined with folding lines and developed in the lateral direction, and also, bulkheads which are connected to the right and left side walls and constitute partitioning walls 12 are defined with folding lines and developed in the longitudinal direction, and the overall developed shape is made a shape which is close to a square with less protrusions and recesses on the peripheral edges.</p> |
