Apparatus and method for printing in a web-fed printing press
AssigneeMAN Roland Druckmaschinen AG
InventorsThomas GSELL, Rudolf STROH
Life of this patent
Estimating the term…
Abstract
An apparatus and method for printing in a web-fed printing press is disclosed. A printing unit has several printing couples, where each printing couple includes a transfer cylinder, an inking system, and a dampening system, if applicable. Each printing couple includes a plate cylinder unit featuring at least two plate cylinders, where, when a plate cylinder of the plate cylinder unit is engaged on the transfer cylinder of the respective printing couple during a printing operation, the, or each, other plate cylinder of the corresponding plate cylinder unit is disengaged from the transfer cylinder of the respective printing couple.
Claims16
A printing unit of a web-fed printing press having a printing couple, wherein the printing couple includes a transfer cylinder and a plate cylinder unit and wherein the plate cylinder unit includes a first plate cylinder and a second plate cylinder, wherein, when the first plate cylinder of the plate cylinder unit is engaged on the transfer cylinder during a printing operation, the second plate cylinder of the plate cylinder unit is disengaged from the transfer cylinder during the printing operation.
A printing unit of a web-fed printing press, comprising:
- a transfer cylinder;
- and
- a plate cylinder unit, wherein the plate cylinder unit includes a first plate cylinder and a second plate cylinder, and wherein the first and second plate cylinders are alternately engageable with the transfer cylinder.
A method for printing in a web-fed printing press, comprising the steps of:
- changing an image on a first plate cylinder of a plate cylinder unit during a printing operation by the plate cylinder unit;
- and
- printing with a second plate cylinder of the plate cylinder unit during the printing operation by the plate cylinder unit.
Dependencies are inferred from the claim text.