(19)

(11)

EP 0 156 884 A1

(12)

(43) Date of publication: 09.10.1985 Bulletin 1985/41 (21) Application number: 84903611.0 (22) Date of filing: 21.09.1984

(51) International Patent Classification (IPC):  A61F 15/ 00( . ) (86) International application number: PCT/AU1984/000185 (87) International publication number: WO 1985/001439 (11.04.1985 Gazette 1985/09)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 26.09.1983 AU 19830001565 (71) Applicant: BROWN, Dawn Cynthia Birkdale, QLD 4159 (AU)	(72) Inventor: BROWN, Dawn Cynthia Birkdale, QLD 4159 (AU)