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US 5,828,399 AGranted
Imagesetter with rotating internal drum
AssigneeAgfa-Gevaert
InventorsLuc Van Aken, Bert Vackier, Karel Van den Eynde
Life of this patent
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Abstract
Rotating drum (10) imagesetter for producing an image on a flexible sheet of radiation-sensitive material, wherein a sheet (20) is held on the inside surface of the drum (14), and the exposure means (25) his located inside the drum.
Claims11
A rotating drum imagesetter comprising:
- means forming a drum for retaining a flexible sheet of radiation sensitive material in cylindrically curved condition, said drum-forming means being arranged for rotation about a central axis, said drum having an inside surface;
- said drum-forming means being arranged to hold said sheet on said inside surface of said drum;
- means for imagewise exposing said sheet as said sheet is held and rotated by said drum-forming means;
- and
- said exposure means being arranged inside said drum to carry out internal drum exposure of said sheet while said sheet is rotated by said drum-forming means.
2 more elements
Dependencies are inferred from the claim text.