(19)

(11)

EP 0 951 604 A1

(12)

(43) Date of publication: 27.10.1999 Bulletin 1999/43 (21) Application number: 98950195.0 (22) Date of filing: 26.10.1998

(51) International Patent Classification (IPC):  D21J 1/ 04( . ) D21J 3/ 10( . ) (86) International application number: PCT/GB1998/003200 (87) International publication number: WO 1999/022069 (06.05.1999 Gazette 1999/18)

(84) Designated Contracting States: AT BE DE ES FI FR GB IE IT NL PT SE (30) Priority: 25.10.1997 GB 19970022547 (71) Applicant: PX Technologies Ltd. Worsbrough, South Yorkshire S70 6TU (GB)	(72) Inventor: BRADFORD, Jonathan, Herbert Bolton BL7 9TX (GB) (74) Representative: Whalley, Kevin, et al  MARKS & CLERK, 57-60 Lincoln's Inn Fields London WC2A 3LS London WC2A 3LS (GB)