CUTTING BLADE FOR BAG-MAKING DEVICE, BAG-MAKING DEVICE, METHOD OF MANUFACTURING PACKAGING BAG, AND PACKAGING BAG MANUFACTURED USING THE BAG-MAKING METHOD

摘要

A cutting blade (5) for bag-making device, comprising cutting edges (5A) formed along the cutting direction of a package bag and notch-making edges (5B) formed perpendicular to the cutting direction and on both sides of the cutting edges (5A), wherein the package bag is cut by the cutting edges (5A) and notches are formed accurately without displacing a film to one side in notch making, whereby a facilitated unpacking is available.