| 摘要 |
PROBLEM TO BE SOLVED: To provide a pouring port section which can be easily inserted in the mouth section of a container while the front surface shape and the back surface shape are approx. square, make the development and the modification on a filling machine side unnecessary, and facilitate the transfer of a content. SOLUTION: In this container at one corner side of an upper sealed section 5 constituted by affixing the upper sections of a front surface sheet 2 and a back surface sheet 3 which are respectively approx. square and are confronted with each other, a pouring port shape section 8 being located between an extended sealed section 9 which continues from the upper sealed section 5 to the container bottom section side, and the container side section, is provided, and at a location closer to the pouring port shape section 8 side on the extended sealed section 9, a dividing line section 11 along the border between the extended sealed section 9 and the pouring port shape section 8, is provided.
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