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US 2005/0229800 A1Published application
Plate cylinder with larger diameter central image area
AssigneeHeidelberger Druckmaschinen AG
InventorsJohn Richards, Charles Hammond
Life of this patent
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Abstract
A plate cylinder has a cylinder body, a first image area at one end of the cylinder body, the first image area having a first average diameter, a second image area at the other end of the cylinder body having a second average diameter, and a third image area between the first and second image areas. The third image area has a third average diameter larger than the first and second average diameters. A print unit, web offset printing press and a plate bender are also provided.
Claims21
A plate cylinder comprising:
- a cylinder body;
- a first image area at one end of the cylinder body, the first image area having a first average diameter;
- a second image area at the other end of the cylinder body having a second average diameter;
- and
- a third image area between the first and second image areas, the third image area having a third average diameter, the third average diameter being larger than the first and second average diameters.
2 more elements
A plate bender for a printing plate comprising:
- a base for supporting the plate;
- and
- a movable section skewable with respect to the base.
Dependencies are inferred from the claim text.