Web displacer method for a printing unit
AssigneeGoss International Americas, Inc.
InventorsGlen Roger Caron, Brian Joseph Gentle
Life of this patent
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Abstract
A printing press is provided which includes a printing unit for printing on a web. The printing unit includes a plate cylinder, a blanket cylinder, and an impression cylinder. The press further includes a web displacement bar movable between a first position in which the web displacement bar is spaced apart from a web passing between the blanket cylinder and the impression cylinder, and a second position in which the web displacement bar holds the web in contact with the impression cylinder and spaced apart from the blanket cylinder. A method of operating the press is also provided.
Claims6
A method of operating a printing press including a printing unit including a plate cylinder, a blanket cylinder, and an impression cylinder, and a web displacement bar, the method comprising:
- passing a web through a nip formed between the blanket cylinder and the impression cylinder, wherein the web is partially wrapped around the blanket cylinder, and wherein the web is not in contact with the web displacement bar;
- separating the blanket cylinder and the impression cylinder, wherein the web remains in contact with the blanket cylinder and is spaced apart from the impression cylinder;
- moving the web displacement bar downward and into contact with the web to move the web out of contact with the blanket cylinder and into contact with the impression cylinder.
Dependencies are inferred from the claim text.