| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a packaging bag capable of achieving good easy-peelability in both of a vertical seal part and a lateral seal part, and having high reliability that additives such as chips and pigment do not transfer to a content from the end face of a resin film.SOLUTION: Provided is an envelope sticking type packaging bag which has easy-peelability. The end of one of the overlapped resin films is sealed in the state of being folded in advance. By folding the end of one of the overlapped resin films, easy-peeling layers on inner faces are sealed in contact with each other, and the overlapped part has a shape along the outer face of the packaging bag. The overlapped part may be fused on the outer face of the packaging bag.</p> |
