| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a packaging sleeve which permits it to be made sufficiently compact in a folded and laid down condition and the storage efficiency in a container to be improved. <P>SOLUTION: In the packaging sleeve 11 formed into a square cylinder having a cross-section nearly rectangular, and foldably formed through curved portions B1 and B2 provided in the vertical direction in a pair of sidewall forming portions, the curved portions B1 and B2 are provided in a pair of long side sidewall forming portions 22 and 24, the four corners of the rectangle in a spread condition are chamfered, the width Wc2 of a pair of chamfered corners 26 and 28 located on one of the diagonal lines from among the chamfered corners 25 to 28 is set longer than the width Wc1 of the chamfered corners 25 and 27 located on the other diagonal line to offset the curved portions B1 and B2 which faces from each other by a prescribed amount X in the width direction of the long side sidewall forming portions 22 and 24. <P>COPYRIGHT: (C)2012,JPO&INPIT |
