(19)
(11) EP 1 495 185 A1

(12)

(43) Date of publication:
12.01.2005 Bulletin 2005/02

(21) Application number: 03744874.3

(22) Date of filing: 25.03.2003
(51) International Patent Classification (IPC)7: D21G 9/00, G01N 21/89, D21F 7/04
(86) International application number:
PCT/FI2003/000225
(87) International publication number:
WO 2003/080928 (02.10.2003 Gazette 2003/40)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK

(30) Priority: 27.03.2002 FI 20025015
03.12.2002 FI 20025055

(71) Applicant: Metso Paper, Inc.
00130 Helsinki (FI)

(72) Inventors:
  • AHVENAINEN, Pasi
    FIN-48310 Kotka (FI)
  • KIELINEN, Jari
    FIN-40520 Jyväskylä (FI)
  • KOLJONEN, Veli-Pekka
    FIN-44610 Kärnä (FI)
  • LAMPINEN, Jari
    FIN-40270 Palokka (FI)
  • HIETANEN, Pekka DI
    deceased (FI)

(74) Representative: Helke, Kimmo Kalervo 
Kespat Oy,P.O. Box 601
40101 Jyväskylä
40101 Jyväskylä (FI)

   


(54) METHOD AND SYSTEM FOR MAINTAINING RUNNABILITY IN A PAPER OR BOARD MACHINE