| 摘要 |
PROBLEM TO BE SOLVED: To prevent a sheet material from being easily damaged after being punched, and to increase safety, while having a punching blade punching a sheet material in a predetermined shape and having a cutting edge having the predetermined shape.SOLUTION: A punching blade tool 1 punching a sheet material in a predetermined shape comprises: a punching blade 2 having a cutting edge 2a having the predetermined shape; and an elastic body 4 fixed relative to the punching blade 2 so as to be arranged at least a portion of an outer surface of the punching blade 2. The elastic body 4 protrudes from the cutting edge 2a in a punching direction while force is not applied thereto. |
