Patents Assigned to Roneo Vickers Limited
  • Offset printing machines
    Patent number: 3985074
    Abstract: A rotary printing machine including an impression cylinder which has at least two grippers for gripping the forward edge of a sheet of paper for drawing the paper onto the same at each appropriate instant in each cycle of operation of the machine, the grippers being movable circumferentially of the impression cylinder and retainable in a different position which is stationary relative to the impression cylinder, to vary the relative position of the sheet of paper on the cylinder while the cylinder is rotating.
    Type: Grant
    Filed: May 1, 1975
    Date of Patent: October 12, 1976
    Assignee: Roneo Vickers Limited
    Inventor: Francois Henry Rudolphe Bonsch