Patent ID: 7493856
Filing Date: 2009-02-24
Classification: B41F,B41P

Abstract:
1. A rotogravure printing unit comprising: a rotogravure printing cylinder having a printing cylinder barrel with a printing cylinder barrel surface having a printing cylinder barrel length; an inking unit cooperating with said printing cylinder; at least three inking rollers in said inking unit ,each one of said inking rollers having a roller barrel with a roller barrel surface and a roller barrel length, said roller barrel length of each of said at least three inking rollers being less than said printing cylinder barrel length, said at least three inking rollers being staggered in said inking unit with respect to said printing cylinder, and each said roller barrel surface being directly engageable with said printing cylinder barrel surface; holding assemblies supporting each of said at least three staggered inking rollers in said inking unit for independent movement relative to said printing cylinder; and a common ink trough in said inking unit, each of said at least three staggered inking rollers dipping into said common inking trough and directly applying ink from said ink trough to said printing cylinder barrel surface, each of said at least three staggered inking rollers being separately height adjustable in said common ink trough.