| 摘要 |
PROBLEM TO BE SOLVED: To provide a flexible container bag an inlet of which can be easily enlarged in size.SOLUTION: A flexible container bag 1 has a main body comprising a solid which has a regular polygonal bottom surface 1a and is formed in a truncated pyramidal shape by sewing parts of adjacent side faces 2 with each other. A bag-like vane is formed on a side edge of the main body. By pulling out a thread from a sewing part 1d of the bag-like vane, covered binding of the vane is easily released, and thereby an inlet at an upper part of the main body can be easily enlarged in size. |
