摘要:
Multi-color offset printing presses for variable formats for continuous web printing with or without `Caroll` type perforations. This pressure exerted on the blanket bearing cylinder is released at the end of format and at least one printing cycle out of two by the action of a hydraulic cylinder. This enables the continuous web to be positioned correctly before the following printing cycle.
摘要:
A printing apparatus includes a plate cylinder having a relief plate mounted on at least a part of an outer periphery of the plate cylinder and being operable to be rotationally driven about a shaft center, and an impression cylinder having a rigid outer periphery and being operable to be rotationally driven about a shaft center parallel to the shaft center of the plate cylinder. The impression cylinder is adapted to be brought into pressure contact with the relief plate via a sheet-like print object fed between the plate cylinder and the impression cylinder. A cushioning sheet is attachable to and detachable from the outer periphery of the impression cylinder. The cushioning sheet is elastically deformable when being brought into pressure contact with the relief plate on the plate cylinder via the print object. The cushioning sheet is restorable when being separated from the relief plate on the plate cylinder.
摘要:
A printing cylinder for printing at least two different designs on a continuous roll of a substrate. The printing cylinder has at least one printing plate secured to the surface of the cylinder, and each printing plate prints a different design. The substrate comprises vinyl, PVP, cellophane, wood pulp, or paper. The printing cylinder typically has at least two printing plates, that occupy the same arc or different arcs of the circumference of the printing cylinder. Also disclosed is a printing station comprising the printing cylinder, and a process for printing at least two different designs on a continuous roll of a substrate using the printing cylinder.
摘要:
A method for operating a printing process for production of printed products includes integrating at a suitable location in the printing process at least one processing station for realizing a finishing process that is directed toward a specific location on the printed product. The processing station, or the finishing process realized with the processing station, is activated or deactivated according to a product-related sequence.
摘要:
A machine and process for printing sets of documents each having common repetitive impressions such as security backgrounds and general information identifying a banking entity, semi-repetitive impressions such as personalized account and bank branch information, and wherein each document in the set has its own differentiated impressions such as the number of the check and a magnetic reading strip containing machine readable information, comprising a reporter-impression matrix plate which carries the semi-repetitive impressions and which is mounted on a printing cylinder, printing the documents with the semi-repetitive impressions using the reporter-impression matrix plate, providing a further reporter-impression matrix plate which has a printing length divided by the number of differentiated impressions that are needed to print the set of documents, and printing each document with its own differentiated impression which is taken from the further matrix plate. The further matrix plate is mounted on a cylinder which is indexed by the angular amount necessary to bring a new differentiated impression into registry with a print transferring mechanism, each time a new document from the set is to be printed. In this way each document in the set is printed with the same semi-repetitive impression from the first matrix plate, and then printed with its own differentiated impression from the further matrix plate.
摘要:
An offset printing group is part of a printing machine which is used for printing newspapers. The offset printing group includes a printing cylinder and a transfer cylinder. The length of the transfer cylinder corresponds to at least six widths of newspaper pages. Two blankets are arranged adjacent each other on the peripheral surface of the transfer cylinder. A width of each of these blankets in the axial direction of the transfer cylinder corresponds to three widths of newspaper pages.