(19)

(11)

EP 0 328 598 A1

(12)

(43) Date of publication: 23.08.1989 Bulletin 1989/34 (21) Application number: 88907154.0 (22) Date of filing: 22.07.1988

(51) International Patent Classification (IPC):  B67D 1/ 04( . ) (86) International application number: PCT/AU1988/000267 (87) International publication number: WO 1989/000544 (26.01.1989 Gazette 1989/03)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 22.07.1987 AU 19870003279 (71) Applicant: BUCKNELL, John Wentworth Taringa, QLD 4068 (AU)	(72) Inventor: BUCKNELL, John Wentworth Taringa, QLD 4068 (AU) (74) Representative: Paget, Hugh Charles Edward, et al  MEWBURN ELLIS York House 23 Kingsway London WC2B 6HP London WC2B 6HP (GB)