Device and process for application of a medium onto a...

D - Textiles – Paper – 21 – H

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D21H 23/28 (2006.01) D21F 9/00 (2006.01) D21H 23/52 (2006.01)

Patent

CA 2271186

Device and process for applying a liquid or paste-like medium onto a traveling material web made of paper or cardboard. In the application of the application medium, the material web is transferred from a first twin wire zone to a second twin wire zone. The second twin wire zone may be more finely meshed than the first twin wire zone to reduce marking and impressions in the web. The application medium may be applied and drained from one side or from both sides of the first twin wire zone or second twin wire zone. Application devices and draining (suction) devices for the application medium may oppose each other across a twin wire zone, or be arranged in alternating fashion along a twin wire zone.

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