Valmet Paper Machinery Inc.

Oy Wartsila Ab

Metso Paper Inc.

Markku Grasten

Juha Lipponen

Dan Eklund

Heikki Vatanen

Sivert Westergard

Jukka Koskinen

Timo Nurmiainen

Raimo Tuhkanen

Kai Aalto

In a device for alternatively one- or double-sided coating of a running paper web the final evening-out of the coating is made in a smoothing nip including a first roll and a counter member. The device includes means for leading the web from below upwards into the smoothing nip. At a considerable distance before the smoothing nip, there is a coating substance applicator including an applicator chamber, where the coating substance is brought into a substantially non-pressurized contact with the running web for adhering thereto and travelling therewith upwards to the smoothing nip. The web moves linearly from the applicator to the smoothing nip.

Coater for selectively coating a running web either on one side or on

An appliance for a double-sided coating of a moving web by means of two coating substance applicators and a smoothing nip comprising a back-up roll on one side of the web and a adjustable levelling blade or the like on the other side of the web. The coating substance is supplied on the web directly on the side facing the levelling blade and on the surface of the back-up roll or the web on the other side of the web. The smoothing nip and the both applicators are located within a 30 degrees sector of the back-up roll, preferably within a 20 degrees sector.

Coater

Growing community of inventors

Jarvenpaa, Finland

Markku Grasten