(19)

(11)

EP 0 479 933 A1

(12)

(43) Date of publication: 15.04.1992 Bulletin 1992/16 (21) Application number: 90917823.0 (22) Date of filing: 25.06.1990

(51) International Patent Classification (IPC):  A61F 6/ 04( . ) (86) International application number: PCT/SE1990/000454 (87) International publication number: WO 1991/000076 (10.01.1991 Gazette 1991/02)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB IT LI LU NL SE (30) Priority: 28.06.1989 SE 19890002339 (71) Applicant: RAPPE, Axel G:son S-620 35 Farösund (SE)	(72) Inventor: RAPPE, Axel G:son S-620 35 Farösund (SE) (74) Representative: Örtenblad, Bertil Tore  Noréns Patentbyra AB Box 27034 S-102 51 Stockholm S-102 51 Stockholm (SE)