(19)

(11)

EP 0 716 755 A1

(12)

(43) Date of publication: 19.06.1996 Bulletin 1996/25 (21) Application number: 94924967.0 (22) Date of filing: 02.09.1994

(51) International Patent Classification (IPC):  G02B 6/ 38( . ) G02B 6/ 44( . ) (86) International application number: PCT/GB1994/001906 (87) International publication number: WO 1995/006891 (09.03.1995 Gazette 1995/11)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI NL PT SE (30) Priority: 03.09.1993 GB 19930018257 11.02.1994 GB 19940002685 13.06.1994 GB 19940011805 (71) Applicant: N.V. RAYCHEM S.A. B-3010 Kessel-Lo (BE)	(72) Inventor: VANDERLINDEN, Michel B-3052 Blanden (BE) (74) Representative: Clayton, Anthony Nicholas, et al  Raychem Limited Intellectual Property Law Dept. Faraday Road Dorcan Swindon, Wiltshire SN3 5HH Swindon, Wiltshire SN3 5HH (GB)