(19)

(11)

EP 0 998 606 A1

(12)

(43) Date of publication: 10.05.2000 Bulletin 2000/19 (21) Application number: 98935174.7 (22) Date of filing: 20.07.1998

(51) International Patent Classification (IPC)7: D21F 1/00, D06M 10/02 (86) International application number: PCT/GB9802/168 (87) International publication number: WO 9905/358 (04.02.1999 Gazette 1999/05)

(84) Designated Contracting States: AT BE CH DE ES FI FR GB IE IT LI NL PT SE (30) Priority: 24.07.1997 GB 9715508 (71) Applicant: SCAPA GROUP PLC Blackburn,Lancashire BB2 6AY (GB)	(72) Inventor: SAYERS, Ian, Christison Ribchester,Lancashire PR3 3XT (GB) (74) Representative: Middlemist, Ian Alastair et al Wilson Gunn M'Caw,41-51 Royal Exchange,Cross Street Manchester, M2 7BD Manchester, M2 7BD (GB)