Apparatus for coating a continuously moving web

US6066208A · kind A · utility

Assignee

• Jagenberg Papiertechnik GmbH · DE

Inventors

• Reinhard Knop · Essen, DE
• Gerhard Wohlfeil · Monheim, DE
• Ingo Becker · Linnich, DE

Key dates

• Filing date: Feb 3, 1997
• Grant date: May 23, 2000
• Expiry date: Feb 3, 2017

Classification

• Technology area (CPC D): Textiles; Paper
• CPC primary: D21H23/32
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

An apparatus for applying a coating liquid to a web moving continuously along a path has a main frame forming an open space and a main backing roller journaled on the main frame and around which the web passes. A second frame in the space is independent of the main frame and displaceable relative thereto from a position in the space juxtaposed with the backing roller. An applicator unit on the second frame applies an excess of the coating liquid to the web and a dosing unit downstream along the path from the applicator unit strips from the web excess coating liquid and leaves on the web a coating of the liquid of a predetermined thickness.