(19)

(11)

EP 0 156 873 A1

(12)

(43) Date of publication: 09.10.1985 Bulletin 1985/41 (21) Application number: 84903574.0 (22) Date of filing: 27.09.1984

(51) International Patent Classification (IPC):  D21F 1/ 32( . ) D21F 1/ 34( . ) (86) International application number: PCT/SE1984/000315 (87) International publication number: WO 1985/001531 (11.04.1985 Gazette 1985/09)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL (30) Priority: 30.09.1983 SE 19830005368 (71) Applicant: TÖYRÄ, Stig S-941 37 Piteä (SE)	(72) Inventor: TÖYRÄ, Stig S-941 37 Piteä (SE)