(19)
(11) EP 0 853 700 A1

(12)

(43) Date of publication:
22.07.1998 Bulletin 1998/30

(21) Application number: 96930185.0

(22) Date of filing: 11.09.1996
(51) International Patent Classification (IPC): 
B01D 33/ 067( . )
D21C 9/ 08( . )
 D21C 9/ 06( . )
(86) International application number:
PCT/FI1996/000482
(87) International publication number:
WO 1997/010380 (20.03.1997 Gazette 1997/13)
(84) Designated Contracting States:
AT DE ES FR PT SE

(30) Priority: 11.09.1995 FI 19950004259
31.01.1996 FI 19960000438

(71) Applicant: Ahlstrom Machinery Oy
00441 Helsinki (FI)

(72) Inventors:
  • HENRICSON, Kaj
    FIN-00330 Helsinki (FI)
  • KAARAKAINEN, Pekka
    FIN-33100 Tampere (FI)
  • KOKKONEN, Seppo
    FIN-57200 Savonlinna (FI)
  • LUOSTARINEN, Anssi
    FIN-57200 Savonlinna (FI)
  • QVINTUS, Harri
    FIN-57230 Savonlinna (FI)
  • SAVOLAINEN, Erkki
    FIN-58410 Haapakallio (FI)
  • TERVOLA, Pekka
    FIN-00330 Helsinki (FI)

(74) Representative: Görg, Klaus, Dipl.-Ing., et al 
Hoffmann Eitle, Patent- und Rechtsanwälte, Arabellastrasse 4
81925 München
81925 München (DE)

   


(54) METHOD AND APPARATUS FOR CLEANING A FIBER PULP WASHER FROM STICKIES