Perforating, grooving or cutting device for a multicolor sheet-fed rotary press

In a single or multicolor sheet-fed rotary press with printing or varnishing groups, an apparatus for perforating, grooving, or punching which comprises:

• a) a counter pressure cylinder (4),
• b) a rubber cylinder (3) with a blanket holding device (14);
• c) rectangular base plate (13) made of a flexible and form-retaining material which is attached detachably on the rubber cylinder (3) by means of the blanket holding device (14);
• d) a rectangular punch foil (19) made of a flexible and form-retaining material;
• e) raised process profiles (32;38) attached to the foil (19) as perforating, grooving, or punching profiles, said raised process profiles being positioned according to a predetermined model for perforating, grooving, or punching, and;
• f) at least two fastening strips (17, 18) installed spaced apart from each other in the circumferential direction of the rubber cylinder (3) by means of which the punch foil (19) is attached in a stretched state around the rubber cylinder and in a detachable manner to opposing marginal areas.