| 摘要 |
<P>PROBLEM TO BE SOLVED: To enhance the usability of a packaging bag. <P>SOLUTION: In the packaging bag (1) in which front and back sheets (2, 3) is shaped into a bag shape by adhering the periphery of the same and a fastener (4) is formed in the upper part of inside of the front and back sheets (2, 3), a through-hole (7) is formed above the fastener (4) of the front side sheet (2) and a closing sheet (9) for closing the through-hole (7) is adhered around the through-hole (7). In the area of an adhered region of the closing sheet (9) and the front side sheet (2) an upper half part of the through-hole (7) is made narrower than a lower half part of the same. Further, notches (5, 6) for breaking a seal are formed at right and left lateral positions of the through-hole (7) in the front and back sheets (2, 3). <P>COPYRIGHT: (C)2012,JPO&INPIT |
