(19)

(11)

EP 0 819 092 A1

(12)

(43) Date of publication: 21.01.1998 Bulletin 1998/04 (21) Application number: 96907948.0 (22) Date of filing: 04.04.1996

(51) International Patent Classification (IPC):  B01J 8/ 00( . ) B65G 53/ 52( . ) F17D 1/ 20( . ) B65G 53/ 16( . ) F16L 11/ 12( . ) F23C 10/ 18( . ) (86) International application number: PCT/AU1996/000196 (87) International publication number: WO 1996/031418 (10.10.1996 Gazette 1996/45)

(84) Designated Contracting States: AT BE DE ES FR GB IT LU NL SE (30) Priority: 07.04.1995 AU 1995PN02273 (71) Applicant: TECHNOLOGICAL RESOURCES PTY. LTD. Melbourne, VIC 3000 (AU)	(72) Inventors: HARDIE, Gregory, John East Fremantle, W.A. 6160 (AU) DRY, Rod, James Glen Waverley, VIC 3150 (AU) BEEBY, Colin, John Cheltenham, VIC 3192 (AU) (74) Representative: Kador & Partner  Corneliusstrasse 15 80469 München 80469 München (DE)