(19)

(11)

EP 0 591 326 A1

(12)

(43) Date of publication: 13.04.1994 Bulletin 1994/15 (21) Application number: 92913279.0 (22) Date of filing: 24.06.1992

(51) International Patent Classification (IPC):  B65D 27/ 30( . ) B65D 33/ 34( . ) (86) International application number: PCT/GB1992/001142 (87) International publication number: WO 1993/000269 (07.01.1993 Gazette 1993/02)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI LU MC NL SE (30) Priority: 28.06.1991 GB 19910013981 (71) Applicant: TRIGON CAMBRIDGE LIMITED Royston, Hertfordshire SG8 6DN (GB)	(72) Inventor: TODMAN, Victor Cambridge CB4 4PD (GB) (74) Representative: Overbury, Richard Douglas  28 Southampton buildings Chancery Lane London WC2A 1AT London WC2A 1AT (GB)