(19)

(11)

EP 1 092 062 A1

(12)

(43) Date of publication: 18.04.2001 Bulletin 2001/16 (21) Application number: 99931319.0 (22) Date of filing: 22.06.1999

(51) International Patent Classification (IPC)7: D21H 23/56 (86) International application number: PCT/FI9900/547 (87) International publication number: WO 9967/467 (29.12.1999 Gazette 1999/52)

(84) Designated Contracting States: AT DE GB SE (30) Priority: 23.06.1998 FI 981445 (71) Applicant: Metso Paper, Inc.(Reg.No. 763281) 00130 Helsinki (FI)	(72) Inventor: RANTANEN, Rauno FIN-40950 Muurame (FI) (74) Representative: Salonen, Esko Tapani et al Forssén & Salomaa Oy,Yrjönkatu 30 00100 Helsinki 00100 Helsinki (FI)