Patent ID: 7721646

Claim:
An offset printing group of a printing press for newspaper printing comprising: a forme cylinder, said forme cylinder having a length in an axial direction of said forme cylinder and being adapted to receive a plurality of printing formes carrying at least six standing newspaper pages, said forme cylinder axial length being divided at its center by an imaginary centerline of said printing press, which imaginary centerline extends perpendicularly to said forme cylinder axial direction, one half of said at least six standing newspaper pages on said plurality of printing formes being positioned on said forme cylinder on each side of said imaginary centerline; a transfer cylinder cooperating with said forme cylinder to form said offset printing group, said transfer cylinder having a length in an axial direction of said transfer cylinder the same as said forme cylinder axial length and also of said plurality of printing formes carrying said at least six standing newspaper pages, said transfer cylinder having a shell surface and spaced transfer cylinder ends, said transfer cylinder axial length also being divided at a center of its axial length by said imaginary centerline; and at least first and second printing blankets arranged side-by-side in said axial direction of said transfer cylinder shell surface, at least one of said first and second printing blankets extending on said shell surface of said transfer cylinder, in said transfer cylinder axial length, from an outer edge at one of said transfer cylinder ends to an inner edge at said imaginary centerline and having a width, in said transfer cylinder axial direction, of at least three of said standing newspaper pages and wherein, in a first mode of operation, said forme cylinder has said printing formes having said print images of said at least six standing newspaper pages of a first format and with each said newspaper page being of a first page width in said forme cylinder axial direction, and in a second mode of operation, said forme cylinder has said printing formes having said print images of said at least six standing newspaper pages of a second format and with each said newspaper page being of a second page width in said forme cylinder axial direction, said second page widths of said newspaper pages being less than said first page widths of said newspaper pages said imaginary centerline being aligned with said inner edge of said at least one of said at least first and second printing blankets and defining a fold line for one of a partial web and a web printed with said ones of said print images positioned on said forme cylinder immediately adjacent to, and on either side of said imaginary centerline.