CUTTER FOR FORMING LEAD RULE

摘要

PROBLEM TO BE SOLVED: To form a lead rule evident distinguishing a punching line from the rule. ;SOLUTION: Punching edge portions 6 each having an end formed as a cutting edge 4 and scoring portions 7 each having a lower height than that of the portion 6 are alternately provided at one side edge of a blade plate 2. Cutouts 8 along the edges of the portion 6 are formed at both ends of edges of the portion 7 so that the portions 7 and the portions 6 are independent. Then, the overall portions 7 are effectively intruded into a sheet to form a lead rule in which a punching line is clearly distinguished from the rule.;COPYRIGHT: (C)2000,JPO