(19)

(11)

EP 0 610 253 A1

(12)

(43) Date of publication: 17.08.1994 Bulletin 1994/33 (21) Application number: 92921021.0 (22) Date of filing: 30.09.1992

(51) International Patent Classification (IPC):  A61F 5/ 01( . ) F16G 11/ 10( . ) (86) International application number: PCT/AU1992/000529 (87) International publication number: WO 1993/007404 (15.04.1993 Gazette 1993/10)

(84) Designated Contracting States: CH DE DK FR GB IT LI NL SE (30) Priority: 30.09.1991 AU 19910008633 (71) Applicant: PLACE, John, Russell Church Point, NSW 2105 (AU)	(72) Inventor: PLACE, John, Russell Church Point, NSW 2105 (AU) (74) Representative: Tillbrook, Christopher John  Chris J Tillbrook & Co 5 Old Rectory Close Churchover Rugby, Warwickshire CV23 0EN Rugby, Warwickshire CV23 0EN (GB)