| 摘要 |
There is provided a gusset bag provided with a spout capable of surely keeping a stable self-standing attitude thereof and easily and completely pouring out an inner content regardless of amount of residual remaining in the bag. The gusset bag is composed of a bag body 1 made of a film material and a spout 2 attached to the bog body 1, the bag body 1 being composed of a tubular body portion 3 and a rectangular-shaped bottom surface portion 4 sealed and secured to one edge portion of the tubular body portion 3, wherein the tubular body portion 3 is composed of a pair of opposing flat surface portions 5 and a pair of side surface portions 6 each of which is sealed and secured to side edge portions of the flat surface portions 5, the bottom surface portion 4 and the side surface portions 6 are formed with foldable lines, respectively, along which the bottom surface portion and the side surface portions are folded inward toward inside of the bag body so as to form a bottom surface gusset and side surface gussets, and an inclining edge portion 1a is formed to one of the upper two corner portions of the bag body 1, the spout 2 being attached to the inclining edge portion 1a. |
