| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a packaging bag of which sealed portion can be torn out as easy as possible ranging from its starting time to its finishing time even under a condition in which a front sheet and a rear sheet are spaced apart from each other. <P>SOLUTION: There is provided a packaging bag 10 in which at least adjoining first edge 11a and second edge 11b of overlapped front and rear sheets 101a, 101b are sealed from each other. This packaging bag is constituted to have a seal opening start point 13 arranged at a predetermined portion of the first edge side 11a and becoming a seal opening start point and a tearing guide part 20 extending from the seal opening start point 13 to a terminal point Pe more near the second edge side 11b than the seal opening start point 13 and formed at each of the front and rear sheets 101a, 101b in such a way that a portion placed more near the second edge side 11b than a straight line L connecting the seal opening start point 13 with the terminal point Pe may become longer than a portion placed at an opposite side of the second edge side 11b from the straight line L. <P>COPYRIGHT: (C)2009,JPO&INPIT |
