Patent Number: 6,251,477

Title: Paper coating apparatus and method for coating paper

Abstract: Apparatus and method for coating a moving paper web, in which the web (2) to be coated is first guided to a coating station (7) correctly aligned and a first side of the web (2) is coated with a coat layer. Next, the web (2) is guided upwards from the coating station (7) and the first coat layer is dried using non-contact dryers (8, 9). From the dryers the web (2) is guided to the next coating station (14) correctly aligned, and the second side of the web (2) is coated with a coat layer, the web (2) is guided upwards from the coating station (14) and the coat layer on the second side of the web (2) is dried using non-contact dryers (8, 9). When the web is directed from the coating station (7) through the dryers (8, 9), it (2) is guided non-contactingly by means of air jets such that the web (2) is first non-contactingly turned in the machine direction during drying and next, similarly during drying, towards the level of the coating stations (7, 14).

Inventors: Kinnunen; Jorma (Jarvenpaa, FI), Nissinen; Vilho (Numminen, FI)

Assignee: Valmet Corporation

International Classification: D21F 5/00 (20060101); D21H 23/00 (20060101); D21H 23/72 (20060101); B05D 001/40 (); B05C 001/08 (); D21F 005/00 (); B65H 020/00 ()

Expiration Date: 06/26/2018