Method and apparatus for applying a layer of lacquer to an upper side of a printed medium
AssigneeHeidelberger Druckmaschinen AG
InventorHans Kasbauer
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Abstract
A method and apparatus apply a lacquer layer to the upper side of a printed medium (i.e. a printed sheet). The method and apparatus form a film of lacquer, in particular a UV lacquer film. Next, the lacquer film is dried or hardened under the action of heat and/or UV radiation. Next, the dried/hardened lacquer film is transferred to the (fresh or still wet) printed upper side of the printed medium, with simultaneous permanent adhesion of the film to this upper side.
Claims80
A method of applying a lacquer layer to an upper side of a printed medium, which comprises the steps:
- forming a lacquer film;
- drying the lacquer film by at least one of heating and UV radiating the lacquer film;
- and
- transferring the dried lacquer film to the freshly-printed upper side of the printed medium while simultaneously permanently adhering the lacquer film to the upper side.
A method of applying a lacquer layer to an upper side of a printed medium, which comprises the steps:
- forming a lacquer film;
- hardening the lacquer film by at least one of heating and UV radiating the lacquer film;
- and
- transferring the hardened lacquer film to the freshly-printed upper side of the printed medium while simultaneously permanently adhering the lacquer film to the upper side.
An apparatus for applying a lacquer layer to an upper side of a printed medium, comprising a lacquer-transferring unit for producing a lacquer film and having a lacquer-transferring station and a radiator disposed downstream of said lacquer-transferring station, said lacquer-transferring station transferring the lacquer film to the upper side of the printed medium.
Dependencies are inferred from the claim text.