(19)

(11)

EP 0 548 218 A1

(12)

(43) Date of publication: 30.06.1993 Bulletin 1993/26 (21) Application number: 91916830.0 (22) Date of filing: 20.09.1991

(51) International Patent Classification (IPC):  B65D 81/ 34( . ) (86) International application number: PCT/GB1991/001611 (87) International publication number: WO 1992/005090 (02.04.1992 Gazette 1992/08)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB IT LI NL SE (30) Priority: 21.09.1990 GB 19900020605 13.02.1991 GB 19910003008 (71) Applicant: CAMBRIDGE CONSULTANTS LIMITED Cambridge CB4 4DW (GB)	(72) Inventor: LIVESLEY, David Cambridge CB7 5QJ (GB) (74) Representative: Beresford, Keith Denis Lewis, et al  BERESFORD & Co. 2-5 Warwick Court High Holborn London WC1R 5DJ London WC1R 5DJ (GB)