Metso Paper Inc.

Valmet Corporation

Mika V&auml;h&auml;kuopus

Vilho Nissinen

Seppo Luomi

Jukka Linnonmaa

The present invention relates to an assembly and a method for preventing the spray emitted by a spraying nozzle ( ) from reaching the surface of a paper web, said nozzle ( ) being disposed at a distance from the surface of the paper web to be coated and further being directed toward said web surface to be coated. To in front of the spray emitted by the nozzle ( ), between the spray and the paper web, there is adapted a movable baffle ( ) serving to prevent the spray from reaching the surface of the paper web.

Apparatus for preventing the direction of a harmful jet from a spraying nozzle on a web

The present invention relates to a method and apparatus for coating a moving paper web ( ), in which method the web ( ) to be coated is passed to a coater station and the coating is applied to at least one surface of the moving web ( ) by means of spraying nozzles ( ) disposed in the interior of an enclosing hood ( ). The web ( ) is supported noncontactingly by means of air jets directed toward at least one side of the web ( ).

Spray-coating method and spray-coater

The present invention relates to a nozzle device for use in a spray coating station designed for coating a paper or board web, said device comprising a nozzle device body (,), a replaceable nozzle piece (,) and clamping member and actuator (,) suited to lock said nozzle piece (,) to said nozzle device body (,). New nozzle pieces (,) are stored in a nozzle replacement apparatus (,) which facilitates rapid replacement of an in-use nozzle piece (,). In the replacement operation, the clamping member and actuator (,) serving to lock said nozzle piece (,) are first actuated in order to release said nozzle piece whereafter the worn nozzle piece (,) is removed with the help of transfer member (,) and a new nozzle piece (,) is moved to the nozzle device, and finally said new nozzle piece (,) is locked by said clamping member and actuator (,) to said nozzle device body (,).

Growing community of inventors

Helsinki, Finland

Mika Vähäkuopus

Growing community of inventors

Helsinki, Finland

Mika V&auml;h&auml;kuopus

Mika Vähäkuopus