| 摘要 |
<p><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 angleθto 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</p> |
