Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
METHOD FOR DRYING PAPER/PAPERBOARD WEB BY PRESSING IN PROCESSING APPARATUS
Document Type and Number:
Japanese Patent JP2009150045
Kind Code:
A
Abstract:

To provide a new method for drying paper/paperboard web by pressing in a processing apparatus.

In the method, the processing apparatus includes a belt 2 adapted to extend around a guiding element 3, at least one counter element 5 being disposed on the outside of the belt 2 to provide a contact area with the belt 2, and the belt 2 and the counter element 5 establish therebetween a web processing zone for passing a web W to be processed therethrough. In the method, pore volume are formed on both sides of the web W, the pore volume on at least one side of the web W is formed in a compressible felt/wire and carried, the volume is compressed and the felt/wire is compressed, and at the same time the gas pressure in the pore is increased and as the result a gas flow which is directed to the web W is generated, and water penetration toward the other side pore volume of the web W is produced.


Inventors:
LIPPONEN JUHA
NISSINEN VILHO
KOIVUKUNNAS PEKKA
VILJANMAA MIKA
VAITTINEN HENRI
PIETIKAEINEN REIJO
HASANEN KARI
SUTTI RISTO
Application Number:
JP2009000048257
Publication Date:
July 09, 2009
Filing Date:
March 02, 2009
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
METSO PAPER INC
International Classes:
B05C1/08; D21F3/02; D21F5/00; D21F7/08; D21G1/00; D21H25/06; D21G
Domestic Patent References:
JPH0813372A1996-01-16
JPH07216774A1995-08-15
JPH08209579A1996-08-13
Foreign References:
DE4138789A11993-05-27
Attorney, Agent or Firm:
伊東 忠彦