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US 6,779,450 B1Granted
Thin-wall drum for external drum imaging system
AssigneeAgfa NV
InventorsMichael G. Vieira, Amy Pietrzak
Life of this patent
Estimating the term…
Abstract
A thin wall external drum for an external drum imaging system includes a cylindrical portion having a hollow tube and a pair of end plates mounted to opposing sides of the hollow tube, wherein the hollow tube has the wall thickness less than or equal to about 1.5 percent of the outside diameter of the external drum.
Claims12
An apparatus, comprising:
- an external drum for supporting a printing plate to be imaged by an imaging system, wherein the external drum includes a cylindrical portion consisting of a hollow tube and a pair of end plates mounted to opposing sides of the hollow tube, and wherein the hollow tube has a wall thickness less than or equal to about 1.5 percent of the outside diameter of the external drum.
An external drum platesetter, comprising:
- an external drum having a media support surface;
- and
- a scanning system for imaging data onto a printing plate mounted on the media support surface of the external drum wherein the external drum includes a cylindrical portion consisting of a hollow tube and a pair of end plates mounted to opposing sides of the hollow tube, and wherein the hollow tube has a wall thickness less than or equal to about 1.5 percent of the outside diameter of the external drum.
Dependencies are inferred from the claim text.