(19)

(11)

EP 1 436 129 A1

(12)

(43) Date of publication: 14.07.2004 Bulletin 2004/29 (21) Application number: 02798064.8 (22) Date of filing: 05.09.2002

(51) International Patent Classification (IPC)7: B27N 3/14 (86) International application number: PCT/SE2002/001587 (87) International publication number: WO 2003/022541 (20.03.2003 Gazette 2003/12)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 10.09.2001 SE 0102997 (71) Applicant: Metso Paper, Inc. 00101 Helsinki (FI)	(72) Inventors: BÄCKMAN, Lena S-852 36 Sundsvall (SE) LUNDGREN, Göran S-865 91 Alnö (SE) THORBJÖRNSSON, Sven-Ingvar S-653 46 Karlstad (SE) (74) Representative: Axelsson, Nils Ake  Groth & Co. KB,Box 6107 102 32 Stockholm 102 32 Stockholm (SE)