(19)

(11)

EP 0 721 421 A1

(12)

(43) Date of publication: 17.07.1996 Bulletin 1996/29 (21) Application number: 94928215.0 (22) Date of filing: 27.09.1994

(51) International Patent Classification (IPC):  B65F 3/ 00( . ) B65F 3/ 20( . ) B65F 3/ 14( . ) (86) International application number: PCT/AU1994/000576 (87) International publication number: WO 1995/009119 (06.04.1995 Gazette 1995/15)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 28.09.1993 AU 1993PM01496 (71) Applicant: MACDONALD JOHNSTON ENGINEERING COMPANY PTY. LTD. Glen Iris, VIC 3146 (AU)	(72) Inventor: BROWNING, David, J. Glen Iris, VIC 3146 (AU) (74) Representative: Newstead, Michael John, et al  Page Hargrave Temple Gate House Temple Gate Bristol BS1 6PL Bristol BS1 6PL (GB)