Patent ID: 8979257
Filing Date: 2015-03-17
Classification: B41J

Abstract:
1. An inkjet printing apparatus to print on a substrate, the apparatus comprising: a first support which is a substrate support; and a second support supporting at least one inkjet printing head, at least one UV source of ultraviolet radiation, and at least one gas dispenser, the at least one inkjet printing head coupled to the at least one UV source, or the at least one gas dispenser, or both, wherein the UV source comprises a UV lamp and a reflector to concentrate and direct the ultraviolet radiation from the UV source onto the substrate, the second support being moveable relative to the substrate supported by the first support to deposit ink on the substrate and to cure the deposited ink, the at least one gas dispenser having a nozzle to direct a flow of oxygen-depleted gas under the at least one UV source and to provide a layer of oxygen-depleted gas between the UV source and the deposited ink.