(19)

(11)

EP 0 740 804 A1

(12)

(43) Date of publication: 06.11.1996 Bulletin 1996/45 (21) Application number: 95905709.0 (22) Date of filing: 17.01.1995

(51) International Patent Classification (IPC):  G03G 15/ 20( . ) (86) International application number: PCT/GB1995/000082 (87) International publication number: WO 1995/020186 (27.07.1995 Gazette 1995/32)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 19.01.1994 GB 19940000934 (71) Applicant: W.L. GORE & ASSOCIATES (UK) LTD London WC2A 2JP (GB)	(72) Inventors: PITCAIRN, Alistair Bathgate EH48 4DR (GB) McCOLLAM, Francis, Michael, John Carnoustie Angus DD7 6DP (GB) (74) Representative: Horner, Martin Grenville, et al  Cruikshank & Fairweather 19 Royal Exchange Square Glasgow G1 3AE Scotland Glasgow G1 3AE Scotland (GB)