(19)

(11)

EP 0 964 622 A1

(12)

(43) Date of publication: 22.12.1999 Bulletin 1999/51 (21) Application number: 97950293.0 (22) Date of filing: 19.12.1997

(51) International Patent Classification (IPC):  A24C 5/ 18( . ) (86) International application number: PCT/GB1997/003504 (87) International publication number: WO 1998/027833 (02.07.1998 Gazette 1998/26)

(84) Designated Contracting States: DE FR GB IT (30) Priority: 20.12.1996 GB 19960026619 (71) Applicant: MOLINS PLC Blakelands, Milton Keynes MK14 5LU (GB)	(72) Inventors: DAWSON, John Crick, Northampton NN6 7TT (GB) DYETT, Derek, Henry Bucks HP14 4JE (GB) RUTLAND, Robert, Thomas Bucks HP14 4JE (GB) SHARP, Norman, Lindsey Bucks HP14 4JE (GB) (74) Representative: Baldwin, Mark, et al  Molins plc, Group Patent Department, Haw Lane, Saunderton High Wycombe, Bucks. HP14 4JE High Wycombe, Bucks. HP14 4JE (GB)