(19)

(11)

EP 0 090 827 A1

(12)

(43) Date of publication: 12.10.1983 Bulletin 1983/41 (21) Application number: 82903031.0 (22) Date of filing: 13.10.1982

(51) International Patent Classification (IPC):  B01D 35/ 06( . ) B03C 1/ 01( . ) B03C 1/ 00( . ) B03C 1/ 02( . ) (86) International application number: PCT/AU1982/000168 (87) International publication number: WO 1983/001398 (28.04.1983 Gazette 1983/10)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 13.10.1981 AU 19810001161 (71) Applicant: COCKAJEMMY PTY. LTD. Elsternwick, VIC3185 (AU)	(72) Inventor: SNOOK, Harvey Aspendale, VIC 3195 (AU) (74) Representative: Armitage, Ian Michael  MEWBURN ELLIS York House 23 Kingsway London WC2B 6HP London WC2B 6HP (GB)