| 摘要 |
PROBLEM TO BE SOLVED: To provide a packaging bag that can reduce a material cost, contribute to volume reduction of trash and reduce liquid residue of contents when sucking out the contents with a dispenser.SOLUTION: The packaging bag 10 is formed by integrally jointing a lateral edge portion 4s of a bottom sheet portion 4 tucked down between a lateral edge portion 2s of a front sheet portion 2 and a lateral edge portion 3s of a back sheet portion 3, and used by attachment of a dispenser 13 for sucking out housed contents 12. In a state before the contents are housed, the bottom sheet portion 4 is folded back in a M-letter cross section shape, an outward surface portion, the front sheet portion 2 and the back sheet portion 3 are jointed at a lower end sealing portion, and inward face portions are jointed at a pair of sealing portions at inner lateral portions. The pair of sealing portions at inner lateral portions are formed to enlarge intervals gradually from the lower side to the upper side. |
