(19)

(11)

EP 0 575 353 A1

(12)

(43) Date of publication: 29.12.1993 Bulletin 1993/52 (21) Application number: 92904341.0 (22) Date of filing: 24.01.1992

(51) International Patent Classification (IPC):  D21F 3/ 02( . ) (86) International application number: PCT/SE1992/000041 (87) International publication number: WO 1992/013134 (06.08.1992 Gazette 1992/21)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI LU MC NL SE (30) Priority: 24.01.1991 SE 19910000213 15.08.1991 SE 19910000200 (71) Applicant: NYKOPP, Erik S-181 38 Lidingö (SE)	(72) Inventor: NYKOPP, Erik S-181 38 Lidingö (SE) (74) Representative: Franzén, Lars Hjalmar, et al  AWAPATENT AB, Södra Hamngatan 37-41, P.O. Box 11394 S-404 28 Göteborg S-404 28 Göteborg (SE)