(19)

(11)

EP 0 181 329 A1

(12)

(43) Date of publication: 21.05.1986 Bulletin 1986/21 (21) Application number: 84902220.0 (22) Date of filing: 03.05.1984

(51) International Patent Classification (IPC):  A61F 5/ 44( . ) (86) International application number: PCT/SE1984/000164 (87) International publication number: WO 1985/005161 (21.11.1985 Gazette 1985/25)

(84) Designated Contracting States: DE FR GB (71) Applicants: Industridesign Konsult Hans Tollin S-414 55 Göteborg (SE) Industridesign Konsult Kenneth Österlin S-414 55 Göteborg (SE)	(72) Inventors: TOLLIN, Hans S-414 68 Göteborg (SE) ÖSTERLIN, Kenneth S-413 09 Göteborg (SE)