(19)

(11)

EP 0 026 179 A1

(12)

(43) Date of publication: 08.04.1981 Bulletin 1981/14 (21) Application number: 80900505.0 (22) Date of filing: 04.03.1980

(51) International Patent Classification (IPC):  A63C 5/ 00( . ) A63C 5/ 06( . ) (86) International application number: PCT/SE1980/000062 (87) International publication number: WO 1980/001880 (18.09.1980 Gazette 1980/21)

(84) Designated Contracting States: AT CH DE FR (30) Priority: 08.03.1979 SE 19790002070 (71) Applicant: ERIKSSON, Arne S-446 00 Älvängen (SE)	(72) Inventor: ERIKSSON, Arne S-446 00 Älvängen (SE) (74) Representative: Westman, Börje, et al  Göteborgs Patentbyra AB Box 5005 S-402 21 Göteborg S-402 21 Göteborg (SE)