Patent ID: 11970311
Assignee: NIPPON CLOSURES CO., LTD.
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 8:
9. A post-processing apparatus for executing the post-processing step in the method according to claim 7, comprising:
a first cutting tool constituted by a stack of a first cutting blade of an arcuate plate shape for forming the breakable line; a second cutting blade of an arcuate plate shape for forming the pair of the second scores; a third cutting blade of an arcuate plate shape for forming the pair of the third scores; a fourth cutting blade of an arcuate plate shape for forming the pair of the fourth scores; and a fifth cutting blade of an arcuate plate shape for forming the fifth score; and
a second cutting tool having sixth cutting blades arranged therein for forming the pair of the sixth scores,
wherein the first cutting tool and the second cutting tool are connected together in a circumferential direction.