(19)

(11)

EP 0 572 391 A1

(12)

(43) Date of publication: 08.12.1993 Bulletin 1993/49 (21) Application number: 91905994.0 (22) Date of filing: 06.03.1991

(51) International Patent Classification (IPC):  B41F 7/ 30( . ) B41F 35/ 00( . ) (86) International application number: PCT/SE1991/000175 (87) International publication number: WO 1991/013760 (19.09.1991 Gazette 1991/22)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI NL SE (30) Priority: 06.03.1990 SE 19900000780 (71) Applicant: BERNTSSON, Reinhold S-402 79 Göteborg (SE)	(72) Inventor: BERNTSSON, Reinhold S-402 79 Göteborg (SE) (74) Representative: Roth, Ernst Adolf Michael, et al  GÖTEBORGS PATENTBYRA AB Box 5005 S-402 21 Göteborg S-402 21 Göteborg (SE)