(19)

(11)

EP 0 605 539 A1

(12)

(43) Date of publication: 13.07.1994 Bulletin 1994/28 (21) Application number: 92919994.0 (22) Date of filing: 23.09.1992

(51) International Patent Classification (IPC):  B21C 1/ 14( . ) D01G 15/ 16( . ) (86) International application number: PCT/GB1992/001751 (87) International publication number: WO 1993/006273 (01.04.1993 Gazette 1993/09)

(84) Designated Contracting States: CH DE IT LI (30) Priority: 24.09.1991 GB 19910020323 (71) Applicant: CARDING SPECIALISTS (CANADA) LIMITED Toronto, Ontario, M4V 2V3 (CA)	(72) Inventors: VARGA, John Holmfield, Halifax HX2 9TN (GB) HOLMES, Tony Holmfield, Halifax HX2 9TN (GB) (74) Representative: Orr, William McLean, et al  URQUHART-DYKES & LORD 5th Floor, Tower House Merrion Way Leeds West Yorkshire, LS2 8PA Leeds West Yorkshire, LS2 8PA (GB)