| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent adhesion of an upper and a lower carton even when they are stacked in a same orientation. <P>SOLUTION: In a cup shaped container 1 produced by press-forming a corrugated cardboard sheet, a bottom wall 2, peripheral wall 3 and flange 4 are formed, and a gentle gradient part 3a is formed in the upper and lower part of the peripheral wall 3 while a steep gradient part 3b in a middle part. When a plurality of the containers 1 are stacked, the mutual steep gradient parts 3b are made to abut on each other to keep a space between the upper and the lower containers 1. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
