| 摘要 |
PROBLEM TO BE SOLVED: To provide a packaging bag suitable for receiving liquid, powder and grains wherein a flow path formed on an ejection port is difficult to be crushed. SOLUTION: The packaging bag comprises two surface and rear synthetic resin films whose periphery is sealed 1, while a protruding ejection part 2 is provided on the periphery, a flow path 3 is formed on the protruding ejection part 2 by making the synthetic resin film constituting the ejection port protrude outward, and a cured resin layer is provided on the synthetic resin film of the protruding ejection part 2. |
