Perforated plate with a reduced diameter in one or both edge regions of a row of nozzles

US11529645B2 · 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

Key dates

• Filing date: Jan 13, 2017
• Grant date: Dec 20, 2022
• Expiry date: May 10, 2037

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B05C5/0291
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

The disclosure relates to a perforated plate for an application apparatus for the application of a fluid onto a component, preferably a motor vehicle bodywork and/or an add-on part therefor. The perforated plate comprises at least three through-holes for the passage of the fluid, wherein the through-holes are assigned to a row of nozzles with a central region and two edge regions, wherein the at least one outermost through-hole in at least one edge region has at least one reference opening diameter that is smaller than at least one reference opening diameter of at least one through-hole in the central region. The disclosure also relates to an application apparatus and an application method with such a perforated plate.