| 摘要 |
PROBLEM TO BE SOLVED: To provide a packaging bag capable of storing content after being used again.SOLUTION: A packaging bag 10 comprises: a first joint part 12 formed by lapping facing end parts of rectangular sheet materials 11 and jointing; and second joint parts 13, 14 jointing both ends of the cylindrical sheet material 11 on which the first joint part 12 is formed. The packaging bag 10 stores content P therein. The packaging bag 10 is opened when the sheet material 11 is broken along a breakage direction going toward the other from one side of the second joint part 13. On a position separated from the second joint part 14 of the sheet material 11 by predetermined distance, a film material 17 for inhibiting breakage of the sheet material 11 progressing along the breakage direction during opening of the packaging bag 10 is provided. After opening of the packaging bag 10, the content P can be stored in a space from the film material 17 to the other second joint part 14 in the packaging bag 10. |
