Printing machine

US9403367B2 · kind B2 · utility

Assignee

• KOENIG & BAUER AG · DE

Inventors

• Wolfgang Reder · Veitshöchheim, DE
• Frank Huppmann · Höchberg, DE
• Stefan Wander · Helmstadt, DE
• Christoph Häcker · Karlstadt, DE

Key dates

• Filing date: May 12, 2014
• Grant date: Aug 2, 2016
• Expiry date: May 12, 2034

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B41J25/304
• WIPO field: Textile and paper machines
• WIPO sector: Mechanical engineering

Abstract

A printing machine has a printing unit which has a printing-material conducting element that can be rotated about an axis of rotation defining an axial direction and at least four printing heads. Four positioning devices are arranged, by the use of each of which, at least one printing head can be arranged at least either in a respective printing position associated with the printing head or in a respective idle position associated with a printing head. At least one first printing head of the printing heads can be arranged either in a first printing position associated with that first printing head or in a first idle position associated with that first printing head. At least one second printing head of the printing heads can be arranged at least either in a second printing position associated with that second printing head or in a second idle position associated with that second printing head. Each respective idle position is configured as a respective maintenance position, in which a maintenance device configured as a cleaning device is or can be associated with at least one nozzle of the respective printing head. The maintenance device is arranged in such a way that the maintenan…