(19)

(11)

EP 0 609 318 A1

(12)

(43) Date of publication: 10.08.1994 Bulletin 1994/32 (21) Application number: 92921850.0 (22) Date of filing: 26.10.1992

(51) International Patent Classification (IPC):  B05C 1/ 02( . ) G03G 21/ 10( . ) G03G 15/ 20( . ) (86) International application number: PCT/GB1992/001958 (87) International publication number: WO 1993/008512 (29.04.1993 Gazette 1993/11)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI NL SE (30) Priority: 26.10.1991 GB 19910022750 (71) Applicant: W.L. GORE & ASSOCIATES (UK) LTD London WC2A 2JP (GB)	(72) Inventors: HAYHURST, Robert Bury, Lancashire BL0 0LW (GB) ALLAN, Andrew, Miller Blairgowrie PH10 6UD (GB) DAWSON, Keith Bacup, Lancashire OL13 8HP (GB) (74) Representative: Horner, Martin Grenville, et al  Cruikshank & Fairweather 19 Royal Exchange Square Glasgow G1 3AE Scotland Glasgow G1 3AE Scotland (GB)