(19)

(11)

EP 1 082 495 A1

(12)

(43) Date of publication: 14.03.2001 Bulletin 2001/11 (21) Application number: 99952104.0 (22) Date of filing: 20.05.1999

(51) International Patent Classification (IPC)7: D21H 23/52, B05C 5/02 (86) International application number: PCT/FI9900/436 (87) International publication number: WO 9960/210 (25.11.1999 Gazette 1999/47)

(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: 20.05.1998 FI 981135 (71) Applicant: Valmet Corporation 00130 Helsinki (FI)	(72) Inventor: RANTANEN, Rauno FIN-40950 Muurame (FI) (74) Representative: Hovi, Simo et al Seppo Laine Oy,Itämerenkatu 3 B 00180 Helsinki 00180 Helsinki (FI)