| 摘要 |
<P>PROBLEM TO BE SOLVED: To smoothly fill a content in a refill container without staining the container while the content is not spilled outside another refill container such as a bottle by improving the shape of a spout. <P>SOLUTION: In the packaging bag, an upper edge 11, both side edges 12, 12 and a bottom edge 13 of superposed compound films 1, 1 of a square shape are heat-sealed, while a double-folded or double-layered innermost layer thereof is formed of a sealant layer. A recess 15 and a recessed edge part 15a with its edge being heat-sealed are provided below and in a vicinity of an upper edge 11 of one edge 12 on one side out of both edges. A projecting nozzle-shaped spout A1 with its fore end being sealed by the edge 12 on one side in the direction parallel to the upper edge 11 and has a cutting line 16 for an opening is provided between the upper edge 15b of the recessed edge and the upper edge 11. A lower edge 19 on the outer side of the fore end of the nozzle-shaped spout is inclined by the angle θ to be lowered toward the opening side 20 of the spout with respect to the horizontal level 21 of the content when slowly discharging the content. <P>COPYRIGHT: (C)2012,JPO&INPIT |
