(19)

(11)

EP 0 420 861 A1

(12)

(43) Date of publication: 10.04.1991 Bulletin 1991/15 (21) Application number: 89905804.0 (22) Date of filing: 27.04.1989

(51) International Patent Classification (IPC):  G09F 3/ 04( . ) G09F 3/ 20( . ) H01B 7/ 36( . ) (86) International application number: PCT/SE1989/000239 (87) International publication number: WO 1989/011152 (16.11.1989 Gazette 1989/27)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL (30) Priority: 03.05.1988 SE 19880001670 (71) Applicant: Partex Fabriksaktiebolag S-547 01 Gullspäng (SE)	(72) Inventor: SKARIN, Lars S-547 02 Otterbäcken (SE) (74) Representative: Kransell, Rolf Arne Steinert, et al  Kransell & Wennborg AB Box 27834 S-115 93 Stockholm S-115 93 Stockholm (SE)