| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a triangular-prismatic package capable of stably holding a packaging bag storing food. Ž<P>SOLUTION: The triangular-prismatic package is formed by folding a sheet at a plurality of folding lines formed on the surface of the sheet. A bottom sheet piece of the sheet forming a bottom part of the package has a folding line for folding the bottom sheet piece substantially at its center, and a cut-out line formed by penetrating the bottom sheet piece to erect a part of the bottom sheet piece. A virtual line segment for connecting both ends of the cutout line and the folding line are intersected with each other at an angle of less than 90°. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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