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(11)

EP 0 920 549 A1

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(43) Date of publication: 09.06.1999 Bulletin 1999/23 (21) Application number: 97935586.0 (22) Date of filing: 13.08.1997

(51) International Patent Classification (IPC):  D04H 1/ 49( . ) D04H 1/ 54( . ) D04H 1/ 492( . ) D04H 1/ 732( . ) (86) International application number: PCT/FI1997/000475 (87) International publication number: WO 1998/007914 (26.02.1998 Gazette 1998/08)

(84) Designated Contracting States: DE ES FR GB IT SE (30) Priority: 21.08.1996 FI 19960003259 (71) Applicant: UPM-Kymmene Oy 00171 Helsinki (FI)	(72) Inventors: SORVARI, Juha FIN-48310 Kotka (FI) ILVONEN, Tuija FIN-48100 Kotka (FI) (74) Representative: HOFFMANN - EITLE  Patent- und Rechtsanwälte Arabellastrasse 4 81925 München 81925 München (DE)