(19)

(11)

EP 0 970 276 A2

(12)

(88) Date of publication A3: 09.10.1997 (43) Date of publication: 12.01.2000 Bulletin 2000/02 (21) Application number: 97903406.3 (22) Date of filing: 18.02.1997

(51) International Patent Classification (IPC)7: D21D 5/02 (86) International application number: PCT/FI9700/104 (87) International publication number: WO 9730/211 (21.08.1997 Gazette 1997/36)

(84) Designated Contracting States: AT BE DE ES FR GB IT SE (30) Priority: 19.02.1996 FI 960739 (71) Applicant: Ahlstrom Machinery Oy 00441 Helsinki (FI)	(72) Inventor: LJOKKOI, Risto FIN-48600 Karhula (FI) (74) Representative: HOFFMANN - EITLE  Patent- und RechtsanwälteArabellastrasse 4 81925 München 81925 München (DE)