MANUFACTURING METHOD OF GAZETTE BAG WITH MOUTH MEMBER AND MANUFACTURING METHOD OF GAZETTE BAG

摘要

PROBLEM TO BE SOLVED: To provide a manufacturing method of a gazette bag and the gazette bag with a mouth member, which have excellent self-standing property and prevent a hand from feeling pain when squeezing the bag with the hand.SOLUTION: A gazette bag and the gazette bag with a mouth member have a gazette bag comprising a pair of opposing flat face parts 11 and a pair of opposing side face parts 12 folded to an inner side. A manufacturing method of the gazette bag and the gazette bag with the mouth member includes a step of folding entire side edge seal parts 13 back to the sides of the flat face parts 11 or the sides of the side face parts 12, and bonding and fixing the entire side edge seal parts in a state of inserting a square columnar mandrel 40 into a cylindrical film material having the side edge seal parts 13 in which side edge parts of the flat face parts 11 and side edge parts of the side face parts 12 are heat-sealed.SELECTED DRAWING: Figure 12