Patent ID: 6994010

Claim:
A cutting blade ( 1 ) for a punching machine, the cutting blade ( 1 ) having a punching body ( 8 ) with a plurality of punching blade elements ( 5 ) arranged parallel to one another, the punching body ( 8 ) comprising two sheet metal layers ( 2 , 12 ), the punching body ( 1 ) having elongated openings ( 7 ), the elongated openings ( 7 ) being symmetric about an axis ( 6 ) extending from the two sheet metal layers ( 2 , 12 ), the elongated openings ( 7 ) being arranged parallel to one another, the sheet metal layers ( 2 , 12 ) being folded about the axis ( 6 ) thereby forming double-layered punching blade elements ( 5 ), at the same time as or nearly at the same time as punching-out of the elongated openings ( 7 ), a toothed comb ( 11 ) being punched out on one of two plate ends, the toothed comb ( 11 ) being bent essentially 90 degrees at the same time as or nearly at the same time as folding of the sheet metal layers ( 2 , 12 ).