Method and apparatus for forming articles with non-uniformly patterned coatings

US10357795B2 · kind B2 · utility

Assignee

• 3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

• Jonathan J. O'Hare · East Greenwich, US
• Tyler J. Rattray · Minneapolis, US
• Mikhail L. Pekurovsky · Bloomington, US
• Peter T. Benson · North St. Paul, US
• Ann M. Gilman · Woodbury, US

Key dates

• Filing date: Aug 24, 2016
• Grant date: Jul 23, 2019
• Expiry date: Aug 24, 2036

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01D2323/42
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A process for applying a coating material onto a substrate as a non-uniform patterned layer of coating material, the method including providing a first distribution manifold having a cavity and a first multiplicity of dispensing outlets in fluid communication with the cavity, providing a second distribution manifold having a cavity and a second multiplicity of dispensing outlets in fluid communication with the cavity, creating relative motion between a substrate and the dispensing outlets in a first direction, dispensing a first coating material from the first dispensing outlets while maintaining the relative motion and simultaneously translating the plurality of dispensing outlets in a second direction non-parallel to the first direction, and dispensing a second coating material from the second dispensing outlets while maintaining the relative motion and simultaneously translating the plurality of dispensing outlets in a second direction non-parallel to the first direction. Useful non-uniformly patterned coated articles can be prepared using the process.