(19)

(11)

EP 0 966 567 A1

(12)

(43) Date of publication: 29.12.1999 Bulletin 1999/52 (21) Application number: 98909891.0 (22) Date of filing: 24.02.1998

(51) International Patent Classification (IPC):  D21G 9/ 00( . ) (86) International application number: PCT/SE1998/000322 (87) International publication number: WO 1998/040556 (17.09.1998 Gazette 1998/37)

(84) Designated Contracting States: AT DE FR GB IT (30) Priority: 11.03.1997 SE 19970000861 (71) Applicant: Valmet-Karlstad AB 651 15 Karlstad (SE)	(72) Inventors: HULTCRANTZ, Lars-Magnus S-669 92 Deje (SE) TORD, Svanqvist, Olof, Sixten S-656 34 Karlstad (SE) LENNART, Örtemo, Bo, Herbert S-654 68 Karlstad (SE) (74) Representative: Lundquist, Lars-Olof  L-O Lundquist Patentbyra AB, Box 80 651 03 Karlstad 651 03 Karlstad (SE)