Patent ID: 7523703
Filing Date: 2009-04-28
Classification: B41F,B41N,B41P

Abstract:
1. A printing group of a rotary printing press comprising: a transfer cylinder, said transfer cylinder having a transfer cylinder barrel with a transfer cylinder barrel circumference of twice the length of a newspaper page and with a transfer cylinder barrel axial width; a forme cylinder working together with said transfer cylinder and forming a cylinder pair in cooperation with said transfer cylinder, said forme cylinder having a forme cylinder barrel with a forme cylinder barrel circumference and with a forme cylinder barrel axial width; a continuous longitudinal groove in said transfer cylinder and extending axially over said entire transfer cylinder barrel width, said continuous longitudinal groove having a gap with a gap width of between 1 mm and 5 mm; two printing blankets on said transfer cylinder barrel, said at least two printing blankets being arranged axially aligned side by side on said transfer cylinder barrel, each of said printing blankets being a multi-layered blanket and including an underlying dimensionally stable support plate and a resilient upper layer permanently connected to said support plate, each of said at least two printing blankets having a length of said transfer cylinder barrel circumference; and first and second forme cylinder grooves in said forme cylinder barrel, said first and second forme cylinder grooves being offset in a circumferential direction of said forme cylinder barrel by 180°, at least one of said forme cylinder grooves extending along said entire axial width of said barrel of said forme cylinder.