(19)

(11)

EP 0 689 638 A1

(12)

(43) Date of publication: 03.01.1996 Bulletin 1996/01 (21) Application number: 94911003.0 (22) Date of filing: 17.03.1994

(51) International Patent Classification (IPC):  F01L 13/ 00( . ) (86) International application number: PCT/AU1994/000131 (87) International publication number: WO 1994/021897 (29.09.1994 Gazette 1994/22)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 17.03.1993 AU 1993PL07827 (71) Applicant: WRIDE, Donald Charles Valley View, S.A. 5093 (AU)	(72) Inventor: WRIDE, Donald Charles Valley View, S.A. 5093 (AU) (74) Representative: Abrams, Michael John, et al  HASELTINE LAKE & CO. Hazlitt House 28 Southampton Buildings Chancery Lane London WC2A 1AT London WC2A 1AT (GB)