(19)

(11)

EP 0 850 009 A1

(12)

(43) Date of publication: 01.07.1998 Bulletin 1998/27 (21) Application number: 96928277.0 (22) Date of filing: 04.09.1996

(51) International Patent Classification (IPC):  A47L 9/ 02( . ) B01D 45/ 16( . ) A47L 9/ 16( . ) (86) International application number: PCT/AU1996/000547 (87) International publication number: WO 1997/008983 (13.03.1997 Gazette 1997/12)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 04.09.1995 AU 1999PN00518 (71) Applicant: Jetfan Australia Pty. Ltd. Arundel, QLD 4214 (AU)	(72) Inventor: DAY, Terence, Robert Mount Tamborine, QLD 4272 (AU) (74) Representative: Weitzel, David Stanley  Batchellor, Kirk & Co., 2 Pear Tree Court, Farringdon Road London EC1R 0DS London EC1R 0DS (GB)