(19)

(11)

EP 0 258 304 A1

(12)

(43) Date of publication: 09.03.1988 Bulletin 1988/10 (21) Application number: 87901104.0 (22) Date of filing: 11.02.1987

(51) International Patent Classification (IPC):  B32B 5/ 18( . ) (86) International application number: PCT/GB1987/000105 (87) International publication number: WO 1987/004663 (13.08.1987 Gazette 1987/18)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 11.02.1986 GB 19860003341 (71) Applicant: PORTAPAX LIMITED Newport, Gwent NP9 2NN (GB)	(72) Inventor: DEVEREUX, Christopher, Peter Nr. Cippenham Wiltshire (GB)