METHOD AND ARRANGEMENT IN A PAPER MACHINE OR THE LIKE CLOSE TO A MOVING WEB TO BE DRIED AND USUALLY SUPPORTED AGAINST A WIRE, SEALING DEVICE AND PAPER MACHINE.

Title:

METHOD AND ARRANGEMENT IN A PAPER MACHINE OR THE LIKE CLOSE TO A MOVING WEB TO BE DRIED AND USUALLY SUPPORTED AGAINST A WIRE, SEALING DEVICE AND PAPER MACHINE.

Document Type and Number:

WIPO Patent Application WO2005118951

Kind Code:

A8

Abstract:

The invention comprises a method and an arrangement in a paper machine or the like close to a moving web (29) usually supported against a wire (1), and a paper machine including such an arrangement, and a sealing device having several such arrangements (100). According to the invention, a movable sealing (5) is arranged in the drying section of a paper machine, between two regions (3, 4) with different pressures. Certain air amounts (V1, V2) are supplied to and/or discharged from each side of the sealing (5) in order to create certain pressures in said regions. Air can move between said regions only through certain paths. In normal operating situations the seal (5) according to the invention is automatically adjusted to the desired position in relation to the web.

Inventors:

LEIMU JUHA (FI)

Application Number:

PCT/FI2005/000257

Publication Date:

September 08, 2006

Filing Date:

June 03, 2005

Export Citation:

Click for automatic bibliography generation Help

Assignee:

METSO PAPER INC (FI)
LEIMU JUHA (FI)

International Classes:

D21F5/04; D21F5/18; D21F

Download PDF:

View/Download PDF PDF Help

Previous Patent: METHOD FOR PRODUCING A CHEMICAL CONVERSION PULP

Next Patent: TIRE DEFLATING BLADE PERIMETER PROTECTION SYSTEM