(19)

(11)

EP 0 413 779 A1

(12)

(43) Date of publication: 27.02.1991 Bulletin 1991/09 (21) Application number: 90900233.0 (22) Date of filing: 28.11.1989

(51) International Patent Classification (IPC):  B65D 1/ 02( . ) B65D 83/ 14( . ) B65D 1/ 16( . ) (86) International application number: PCT/GB1989/001422 (87) International publication number: WO 1990/006263 (14.06.1990 Gazette 1990/14)

(84) Designated Contracting States: AT BE CH DE ES FR GB IT LI LU NL SE (30) Priority: 30.11.1988 GB 19880027898 (71) Applicant: HOECHST CELANESE PLASTICS LIMITED Watford, Hertfordshire WD2 4AP (GB)	(72) Inventors: POPE, John 3 Hazeldene Wendover Buckinghamshire HP22 6NE (GB) STEPTOE, Barry, John Hertfordshire SG1 2NJ (GB) (74) Representative: Kensett, John Hinton, et al  Saunders & Dolleymore, 9 Rickmansworth Road Watford, Hertfordshire WD1 7HE Watford, Hertfordshire WD1 7HE (GB)