(19)

(11)

EP 1 079 934 A1

(12)

(43) Date of publication: 07.03.2001 Bulletin 2001/10 (21) Application number: 99922390.2 (22) Date of filing: 24.05.1999

(51) International Patent Classification (IPC)7: B03C 3/08, B03C 3/06, B03C 3/155 (86) International application number: PCT/GB9901/628 (87) International publication number: WO 9961/159 (02.12.1999 Gazette 1999/48)

(84) Designated Contracting States: DE ES FR GB IT (30) Priority: 22.05.1998 GB 9811036 (71) Applicant: The Royal College of Art London SW7 2EU (GB)	(72) Inventor: NEWBOULD, Peter, James Ealing W5 2RS (GB) (74) Representative: Leaman, Keith  QED I.P. Services Limited,Dawley Road Hayes,Middlesex UB3 1HH Hayes,Middlesex UB3 1HH (GB)