(19)

(11)

EP 0 850 389 A1

(12)

(43) Date of publication: 01.07.1998 Bulletin 1998/27 (21) Application number: 96929132.0 (22) Date of filing: 10.09.1996

(51) International Patent Classification (IPC):  A61L 9/ 12( . ) F24F 3/ 14( . ) F24F 13/ 06( . ) A61L 9/ 14( . ) F24F 3/ 16( . ) (86) International application number: PCT/AU1996/000567 (87) International publication number: WO 1997/010475 (20.03.1997 Gazette 1997/13)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV SI (30) Priority: 14.09.1995 AU 1995PN05454 (71) Applicant: Jacobs, David, Ian St. Yves, NSW 2075 (AU)	(72) Inventor: Jacobs, David, Ian St. Yves, NSW 2075 (AU) (74) Representative: Ouzman, Beverley Nicola Claire, et al  Murgitroyd and Company, 373 Scotland Street Glasgow G5 8QA Glasgow G5 8QA (GB)