(19)

(11)

EP 0 041 944 A1

(12)

(43) Date of publication: 23.12.1981 Bulletin 1981/51 (21) Application number: 79901316.0 (22) Date of filing: 26.10.1979

(51) International Patent Classification (IPC):  B29B 13/ 02( . ) H05B 6/ 78( . ) B29C 43/ 00( . ) (86) International application number: PCT/GB1979/000172 (87) International publication number: WO 1981/001117 (30.04.1981 Gazette 1981/11)

(84) Designated Contracting States: AT CH DE FR LU NL SE (71) Applicant: NATIONAL PLASTICS LIMITED London E4 8SY (GB)	(72) Inventor: POINTER, Robert Michael Coventry (GB)