A method of producing a printed varnished sheet

摘要

UV curable varnish is fed into a varnish trough 1. An uncoated metal trough roller 2 is rotated through the varnish in the trough 1 and varnish from the trough roller 2 is applied to a predefined surface of an elastomeric coating 3 on a feed roller 4. Varnish is delivered from the coating 3 on the feed roller 4 to an uncoated metal surface of an oscillating roller 6 which applies the varnish to two metal form rollers 7, 8. The varnish from the form rollers 7, 8 is applied onto a varnishing cylinder 9 having a varnishing stencil 10 applied thereto so that the varnish is applied in a predetermined pattern. Varnish from the varnishing cylinder 9 is applied to a blanket varnishing cylinder 11 in a predetermined pattern. A printed sheet 20 is passed between the blanket cylinder 11 and an impression cylinder 21 which delivers the varnish to a predetermined area of the printed sheet 20. The printed sheet 20 from the impression cylinder 21 is picked up by grippers 25 and delivered by a chain link arrangement and lifted so that it drops onto the surface of a conveyor 30. The conveyor 30 is mounted on a frame 35 which is movable on wheels 36 into and out of alignment with a sheet take-off station 32 as required. A varnished printed sheet is conveyed along the conveyor 30 under a guide means 38 to an infeed section 39 to a UV light applying station 40 having a bank of UV curing lights which are applied to the varnish to cure it.