Patent ID: 6892639
Filing Date: 2005-05-17
Classification: B41F,B41P

Abstract:
1. A flexographic printing press for printing a web with a solvent based or water based ink comprising: a central impression cylinder having an outside surface adapted to support a web during printing, an unwind apparatus adapted to unwind a web to be printed on the central impression cylinder, means for guiding a web between the unwind apparatus and the central impression cylinder and providing an upstream entry point to the central impression cylinder, a rewind apparatus adapted to rewind a printed web, means for guiding a web between the central impression cylinder and the rewind apparatus and providing a downstream exit point from the central impression cylinder, the unwind apparatus, central impression cylinder, and rewind apparatus defining a path of web travel from an upstream direction to a downstream direction, a plurality of printing decks positioned around the outside surface of the central impression cylinder, including an upstream printing deck adjacent said upstream entry point and a downstream printing deck adjacent said downstream exit point, each of the printing decks including a plate cylinder for applying solvent based or water based ink to a web on the central impression cylinder. at least one between color dryer positioned between each pair of adjacent printing decks, and a downstream dryer positioned between the downstream printing deck and the downstream exit point for drying a web on the central impression cylinder before the downstream exit point, no dryer being located between said exit point from the central impression cylinder and said rewind apparatus.