(19)
(11) EP 1 012 386 A1

(12)

(43) Date of publication:
28.06.2000 Bulletin 2000/26

(21) Application number: 98917149.1

(22) Date of filing: 21.04.1998
(51) International Patent Classification (IPC)7: D21F 5/04
(86) International application number:
PCT/FI9800/351
(87) International publication number:
WO 9848/107 (29.10.1998 Gazette 1998/43)
(84) Designated Contracting States:
AT DE FR GB IT SE

(30) Priority: 22.04.1997 FI 971714

(71) Applicant: VALMET CORPORATION
00620 Helsinki (FI)

(72) Inventors:
  • LIPPONEN, Juha
    FIN-40270 Palokka (FI)
  • SALMINEN, Martti
    FIN-40200 Jyväskylä (FI)
  • KAIHOVIRTA, Juha
    FIN-40700 Jyväskylä (FI)
  • KERTTULA, Reima
    FIN-40950 Muurame (FI)

(74) Representative: Pellmann, Hans-Bernd, Dipl.-Ing. 
PatentanwaltsbüroTiedtke-Bühling-Kinne & PartnerBavariaring 4-6
80336 München
80336 München (DE)

   


(54) METHOD FOR OPTIMIZING EVAPORATION DRYING OF PAPER, RUNNABILITY, AND PAPER QUALITY AS WELL AS DRYER SECTION THAT MAKES USE OF THE METHOD IN A PAPER MACHINE