Patent ID: 7363795
Filing Date: 2008-04-29
Classification: B41J,Y10T

Abstract:
1. A punching apparatus, comprising: a male die, adapted to be opposed to a first face of a metallic plate member, the male die including a plurality of punches which are provided on the male die and arranged side by side in a first direction with a fixed pitch, the adjacent punches defining a gap therebetween, the gap continuing from a first side face that is a side face of one of the adjacent punches to a second side face that is a side face of the other of the adjacent punches in the first direction; and a guide member, formed with a guide face which supports a side portion of the male die, at least when the punches are pressed into the plate member in a second direction, to form through holes therein, the guide member formed with projections that support at least one of the first side face and the second side face between which the gap continues in the first direction.