| 摘要 |
PROBLEM TO BE SOLVED: To provide an easily unsealable flexible packaging bag having an excellent unsealability. SOLUTION: In the flexible packaging bag 1 forming a content storage part 3 by performing the heat seal 2 of a peripheral edge or the like to at least a base material by using a laminated compound plastic film, a folding part structure 4 is formed on the compound plastic film forming the content storage part of the flexible packaging bag. A perforation or a sealing may be preferably performed in the folding part structure 4. COPYRIGHT: (C)2008,JPO&INPIT
|
