(19)
(11) EP 1 069 934 A1

(12)

(43) Date of publication:
24.01.2001 Bulletin 2001/04

(21) Application number: 99907639.1

(22) Date of filing: 09.03.1999
(51) International Patent Classification (IPC)7: B01D 33/067
(86) International application number:
PCT/FI9900/183
(87) International publication number:
WO 9946/025 (16.09.1999 Gazette 1999/37)
(84) Designated Contracting States:
DE ES FI PT SE

(30) Priority: 09.03.1998 FI 980523
01.02.1999 FI 990182

(71) Applicant: Andritz-Ahlstrom OY
02600 Espoo (FI)

(72) Inventors:
  • HEINO, Jukka
    FIN-57600 Savonlinna (FI)
  • PURONTAUS, Harri
    FIN-57210 Savonlinna (FI)

(74) Representative: HOFFMANN - EITLE 
Patent- und RechtsanwälteArabellastrasse 4
81925 München
81925 München (DE)

   


(54) PULP FILTER OR WASHER AND SEALING FOR USE THEREIN