Dryer unit in a printing machine
AssigneeMAN Roland Druckmashinen AG
InventorsRudolf Mitze, Wolfgang Mohr
Life of this patent
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Abstract
A dryer unit which is integrated as a module into a printed material guide system of a printing machine in order to facilitate two-sided drying of printed material is provided. The printed material guide system includes a guide surface which has a plurality of openings and an air system which is selectively operable in positive or negative pressure modes to assist the guiding of the printed material. The dryer module is arranged in an opening in the guide surface such that it heats at least one side of the printed material. At least one outlet opening is associated with the dryer module. The outlet opening is open into the plane of the guide surface and is coupled to a cooling system which is operable to provide cooling air to the dryer module.
Claims13
A sheet-fed printing machine comprising a printing cylinder, a sheet conveyor system having gripping devices each for gripping a leading edge of a respective sheet from said printing cylinder and transferring the sheets in a downstream direction, a sheet guide system which defines a guide surface designed to be contacted by and guide trailing ends of said sheets as the sheets are transferred by said sheet conveyor system gripping devices, said guide surface being formed with a plurality of openings, a dryer unit in the form of a module and arranged in at least one of said guide surface openings for heating sides of said printed sheets that contact and are guided by said guide surface as they are guided by said guide surface, and said sheet guide system including an air system for creating an air flow through at least some of said guide surface openings.
Dependencies are inferred from the claim text.