Inking unit

US6427591B1 · kind B1 · utility

Assignee

• Heidelberger Druckmaschinen AG · DE

Inventor

• Gotthard Schmid · Malsch, DE

Key dates

• Filing date: Dec 22, 1999
• Grant date: Aug 6, 2002
• Expiry date: Dec 22, 2019

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B41F31/28
• WIPO field: Textile and paper machines
• WIPO sector: Mechanical engineering

Abstract

An inking unit for a printing machine, which includes at least one ink roller rolling on a plate cylinder of the printing machine, an ink jet printing apparatus with a plurality of ink jets that can be controlled selectively, and an ink transfer device with a rotating mantle surface for transferring printing ink from the ink jet printing apparatus to the at least one ink roller. A compact and stencil-free inking unit for high-quality printing is achieved and the at least one ink roller and the ink transfer device, and have the same outside circumference as the plate cylinder.