(19)

(11)

EP 1 012 368 A1

(12)

(43) Date of publication: 28.06.2000 Bulletin 2000/26 (21) Application number: 98938756.8 (22) Date of filing: 06.08.1998

(51) International Patent Classification (IPC)7: D05C 15/18, D05C 15/32 (86) International application number: PCT/GB9802/375 (87) International publication number: WO 9907/931 (18.02.1999 Gazette 1999/07)

(84) Designated Contracting States: DE GB (30) Priority: 08.08.1997 GB 9716716 (71) Applicant: Cobble Blackburn Limited Blackburn,Lancashire BB1 3AH (GB)	(72) Inventor: POTTS, Michael, John Blackburn BB2 6DH (GB) (74) Representative: Hill, Richard et al Wilson, Gunn, M'Caw,Cross Street41-51 Royal Exchange Manchester M2 7BD Manchester M2 7BD (GB)