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US 2018/0071842 A1Published application
Punching device, punch and method
AssigneeMaquinaria Geka, S.A.
InventorsAlberto José HERRERO, Mikel PARDAVILA
Life of this patent
Estimating the term…
Abstract
A punching device for punching a workpiece includes a punching part and a broaching part. The punching part has a punching cutting edge that limits a punching cutting area, the punching part being intended to pierce the workpiece. The broaching part is intended to tear the workpiece later than the punching part, and includes at least a broaching tooth with a cutting edge that limits a cutting area which is greater than the punching cutting area.
Claims15
A punching device for punching a workpiece, the punching device comprising:
- a punching part including a punching cutting edge that limits a punching cutting area, the punching part being intended to pierce the workpiece;
- and
- a broaching part intended to tear the workpiece later than the punching part, the broaching part comprising at least one broaching tooth which comprises a broaching cutting edge that limits a broaching cutting area such that the at least one broaching tooth as a whole defines a total broaching cutting area which is greater than the punching cutting area.
A punch comprising
- a punching part comprising a punching cutting edge that limits a punching cutting area, the punching part being intended to pierce the workpiece;
- and
- a broaching part attached to the punching part and intended to tear the workpiece later than the punching part, the broaching part comprising at least one broaching tooth which comprises a broaching cutting edge that limits a broaching cutting area which is greater than the punching cutting area.
Dependencies are inferred from the claim text.