(19)

(11)

EP 0 619 728 A1

(12)

(43) Date of publication: 19.10.1994 Bulletin 1994/42 (21) Application number: 92920242.0 (22) Date of filing: 18.09.1992

(51) International Patent Classification (IPC):  A61G 17/ 08( . ) E04H 13/ 00( . ) (86) International application number: PCT/AU1992/000494 (87) International publication number: WO 1993/005747 (01.04.1993 Gazette 1993/09)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB IE IT LI NL SE (30) Priority: 19.09.1991 AU 19910008481 (71) Applicant: TAGHULK PTY LIMITED Hornsby Heights, NSW 2077 (AU)	(72) Inventor: CROOK, Robert, Sydney Frenchs Forest, NSW 2086 (AU) (74) Representative: Cummings, Sean Patrick, et al  David Keltie Associates Audrey House Ely Place London EC1N 6SN London EC1N 6SN (GB)