Print head for the application of a coating agent

US11167297B2 · kind B2 · utility

Assignee

• Dürr Systems AG · DE

Inventors

• Hans-Georg Fritz · Esslingen am Neckar, DE
• Benjamin Wöhr · Eibensbach, DE
• Marcus Kleiner · Besigheim, DE
• Moritz Bubek · Ludwigsburg, DE
• Timo Beyl · Besigheim, DE
• Frank Herre · Oberriexingen, DE
• Steffen Sotzny · Oberstenfeld, DE

Key dates

• Filing date: Dec 1, 2017
• Grant date: Nov 9, 2021
• Expiry date: Dec 1, 2037

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B41J2202/05
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

The disclosure relates to a print head for applying a coating agent to a component, in particular for applying a paint to a motor vehicle body component, having a nozzle plate, a nozzle in the nozzle plate for dispensing the coating agent, and a valve element movable relative to the nozzle plate for controlling the release of coating agent through the nozzle, the movable valve element closing the nozzle in a closed position, whereas the movable valve element releases the nozzle in an opened position, and having a seal for sealing the nozzle with respect to the movable valve element in the closed position of the valve element. The disclosure provides that the seal is not designed as an elastomer insert on the valve element.