(19)

(11)

EP 0 865 520 A1

(12)

(43) Date of publication: 23.09.1998 Bulletin 1998/39 (21) Application number: 96916234.0 (22) Date of filing: 04.06.1996

(51) International Patent Classification (IPC):  D01G 9/ 20( . ) (86) International application number: PCT/GB1996/001329 (87) International publication number: WO 1997/000983 (09.01.1997 Gazette 1997/03)

(84) Designated Contracting States: CH DE GB IT LI (30) Priority: 23.06.1995 GB 19950012830 (71) Applicant: CROSROL LIMITED Halifax HX2 9TN (GB)	(72) Inventor: STANSFIELD, Geoffrey Halifax HX2 9TN (GB) (74) Representative: Orr, William McLean  URQUHART-DYKES & LORD 5th Floor, Tower House Merrion Way Leeds West Yorkshire, LS2 8PA Leeds West Yorkshire, LS2 8PA (GB)