Doctor blade device
AssigneeMAN Roland Druckmaschinen AG
InventorsWolfgang Bayer, Andreas Berchtold, Thomas Bock, Robert Konrad, Harald Lesti, Xaver Bachmeir
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Abstract
A doctor blade device for the removal of dampening medium from a soft surface of an ink applicator roller in the inking unit of a printing machine, having at least one doctor blade placed against the surface of the roller and having an edge radius in the range of 2 mm to 10 mm.
Claims9
A doctor blade device for the removal of dampening medium from a soft surface of a printing machine roller, said device comprising at least one doctor blade having an edge which contacts said soft surface, said edge having an edge radius in the range of 2 mm to 10 mm, wherein said edge radius is the cross sectional width of said edge.
A printing arrangement comprising
- a plate cylinder;
- an ink applicator roller having a soft surface for carrying a layer of ink and a layer of dampening medium, said applicator roller contacting said plate cylinder at a nip;
- and
- a doctor blade having an edge which contacts said soft surface of said ink applicator roller, said edge having an edge radius in the range of 2 mm to 10 mm, wherein said edge radius is the cross sectional width of said edge.
Dependencies are inferred from the claim text.