Method and device for automatically providing a printing plate to a plate cylinder
AssigneeHeidelberger Druckmaschinen AG
InventorBERTRUM SCOTT RAMSAY
Life of this patent
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Abstract
A method for automatically providing a printing plate to a plate cylinder includes the steps of aligning a first edge of a printing plate against a cylinder adjacent to a plate cylinder, moving the first edge of the printing plate into a gap in the plate cylinder, and wrapping the printing plate about the plate cylinder. The present invention also includes a device for attaching a printing plate to a plate cylinder comprising a first set of grippers for gripping a printing plate and aligning the printing plate against a cylinder adjacent to the plate cylinder, and a second set of grippers for moving the printing plate toward a gap in the plate cylinder. An offset printing press having the device is also disclosed.
Claims18
A method for automatically providing a printing plate to a plate cylinder comprising the steps of:
- aligning a first edge of a printing plate against a cylinder adjacent to a plate cylinder;
- moving the first edge of the printing plate into a gap in the plate cylinder;
- and
- wrapping the printing plate about the plate cylinder.
A device for attaching a printing plate to a plate cylinder comprising:
- a first set of grippers for gripping a printing plate and aligning the printing plate against a cylinder adjacent to the plate cylinder;
- and
- a second set of grippers for moving the printing plate toward a gap in the plate cylinder.
An offset printing press comprising:
- a plate cylinder with a plate locking mechanism and an outer surface of the plate cylinder having a receiving gap;
- a blanket cylinder forming a nip with the plate cylinder;
- and
- a plate attachment device having a first set of grippers for gripping a printing plate and aligning the printing plate against the blanket cylinder and a second set of grippers for moving the printing plate toward the receiving gap.
Dependencies are inferred from the claim text.