(19)

(11)

EP 0 847 321 A1

(12)

(43) Date of publication: 17.06.1998 Bulletin 1998/25 (21) Application number: 96928559.0 (22) Date of filing: 23.08.1996

(51) International Patent Classification (IPC):  B24B 3/ 36( . ) B24B 3/ 54( . ) B24B 3/ 52( . ) (86) International application number: PCT/GB1996/002071 (87) International publication number: WO 1997/007932 (06.03.1997 Gazette 1997/11)

(84) Designated Contracting States: BE DE FR NL (30) Priority: 31.08.1995 GB 19950017752 (71) Applicant: TURNER INTELLECTUAL PROPERTY LIMITED Burton-on-Trent, Staffordshire DE14 1SD (GB)	(72) Inventor: HEPWORTH, Paul, Steabben Guildford Surrey GU1 3TP (GB) (74) Representative: Mosey, Stephen George, et al  MARKS & CLERK Alpha Tower Suffolk Street Queensway Birmingham B1 1TT Birmingham B1 1TT (GB)