| 摘要 |
PROBLEM TO BE SOLVED: To provide a film cutting blade allowing easy discrimination as to which side a cut for assisting opening formed at a cut end at a sealing end part of a bagged article exists on. SOLUTION: This film cutting blade 1 has a blade part 4 formed with a saw-blade shaped cutting edge part 10 with a plurality of continuous crest parts 10a, and includes a cutting blade 11 formed along the cutting edge part 10 to cut a cylindrical film F conveyed in a bag making/filling machine into saw-blade shapes in a direction crossing a conveying direction, and an auxiliary blade 12 formed at each top part 10d of the crest parts 10a to form the cut La in a trough part of the cut end L1 of the cut film F. A side edge 10e of each crest part 10a formed with the cutting blade 11 is formed into a shape curved to the inside. COPYRIGHT: (C)2011,JPO&INPIT |
