(19)

(11)

EP 0 527 737 A1

(12)

(43) Date of publication: 24.02.1993 Bulletin 1993/08 (21) Application number: 91901841.0 (22) Date of filing: 20.12.1990

(51) International Patent Classification (IPC):  B65D 88/ 12( . ) (86) International application number: PCT/GB1990/001995 (87) International publication number: WO 1991/010012 (11.07.1991 Gazette 1991/15)

(84) Designated Contracting States: AT BE DE DK ES FR GB IT NL SE (30) Priority: 21.12.1989 GB 19890028933 20.04.1990 GB 19900008903 25.04.1990 GB 19900009292 (71) Applicant: DERIVEFUTURE LIMITED Great Yarmouth, Norfolk NR30 2PQ (GB)	(72) Inventors: CLAYTON, Andrew Great Yarmouth Norfolk NR30 3NQ (GB) CLAYTON, David Great Yarmouth Norfolk NR30 3NQ (GB) CLAYTON, Paul Great Yarmouth Norfolk NR30 3NQ (GB) (74) Representative: Jones, William  Willow Lane House Willow Lane Norwich NR2 1EU Norwich NR2 1EU (GB)