(19)

(11)

EP 0 166 778 A1

(12)

(43) Date of publication: 08.01.1986 Bulletin 1986/02 (21) Application number: 85900690.0 (22) Date of filing: 04.01.1985

(51) International Patent Classification (IPC):  B29C 65/ 60( . ) B65D 73/ 00( . ) (86) International application number: PCT/GB1985/000006 (87) International publication number: WO 1985/003028 (18.07.1985 Gazette 1985/16)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 04.01.1984 GB 19840000083 (71) Applicant: ROBINSON & SONS LIMITED Chesterfield, Derbyshire S40 2AD (GB)	(72) Inventor: FROST, Geoffrey, Reginald Loundsley Green Chesterfield (GB)