Process for generating structured surfaces in coil coating

US6025024A · kind A · utility

Assignee

• Sigma Coatings Farben- und Lackwerke GmbH · DE

Inventors

• Wielfried Heinz Heindrichs · Hilden, DE
• Dirk Lange · Neubukow, DE

Key dates

• Filing date: Jan 30, 1998
• Grant date: Feb 15, 2000
• Expiry date: Jan 30, 2018

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B05D5/061
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

Structured surfaces are generated in a coil coating line operating at least at 60 m/min by a process comprising the step of passing the wet layer of paint under a roll having a raised pattern on its surface that imparts a structure to the wet layer before heating to form a coating having a structured surface. The paint has a viscosity of 30 to 200 s (DIN 4 cup; DIN 53211).