(19)

(11)

EP 0 064 501 A1

(12)

(43) Date of publication: 17.11.1982 Bulletin 1982/46 (21) Application number: 81902474.0 (22) Date of filing: 10.09.1981

(51) International Patent Classification (IPC):  B29C 45/ 04( . ) (86) International application number: PCT/GB1981/000185 (87) International publication number: WO 1982/001506 (13.05.1982 Gazette 1982/12)

(84) Designated Contracting States: AT CH DE FR GB LI LU NL SE (30) Priority: 06.11.1980 GB 19800035676 (71) Applicant: DENIS LEADER (MACHINERY) LIMITED Dover Kent CT17 9DB (GB)	(72) Inventor: O'REGAN, John Patrick Dover Kent CT17 9DB (GB)