(19)

(11)

EP 1 121 483 A1

(12)

(43) Date of publication: 08.08.2001 Bulletin 2001/32 (21) Application number: 99939465.3 (22) Date of filing: 18.08.1999

(51) International Patent Classification (IPC)7: D21D 5/26, D21F 1/66 (86) International application number: PCT/FI9900/684 (87) International publication number: WO 0011/265 (02.03.2000 Gazette 2000/09)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 21.08.1998 FI 981798 (71) Applicant: Ahlstrom Machinery Oy 02600 Espoo (FI)	(72) Inventor: MATULA, Jouni FIN-57600 Savonlinna (FI) (74) Representative: HOFFMANN - EITLE  Patent- und RechtsanwälteArabellastrasse 4 81925 München 81925 München (DE)