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US 9,156,276 B2Granted
Methods for inkjet varnishing
AssigneeAgfa Graphics NV
InventorsStefaan De Meutter, Geert Van Dyck, David Tilemans
Life of this patent
Estimating the term…
Abstract
A method for inkjet varnishing a substrate includes the steps of jetting a micro-pattern of a varnish having a viscosity of less than 30 mPa·s at 45° C. and at a shear rate of 30 s−1 to a portion of the substrate by one or more printheads having nozzles with a nozzle diameter of no more than 30 μm, and at least partially curing the micro-pattern within 500 milliseconds after jetting to provide a micro-roughness to the portion of the substrate.
Claims15
A method for inkjet varnishing a substrate, the method comprising the steps of:
- jetting a micro-pattern of a varnish having a viscosity of less than 30 mPa·s at 45° C. and at a shear rate of 30 s−1 to a portion of the substrate using one or more print heads including nozzles having a nozzle diameter of no more than 30 μm;
- and
- at least partially curing the micro-pattern within 500 milliseconds after jetting the micro-pattern to provide a micro-roughness to the portion of the substrate.
Dependencies are inferred from the claim text.