(19)

(11)

EP 0 401 290 A1

(12)

(43) Date of publication: 12.12.1990 Bulletin 1990/50 (21) Application number: 89903510.0 (22) Date of filing: 22.02.1989

(51) International Patent Classification (IPC):  A63F 9/ 10( . ) (86) International application number: PCT/GB1989/000158 (87) International publication number: WO 1989/007969 (08.09.1989 Gazette 1989/21)

(84) Designated Contracting States: DE FR IT (30) Priority: 26.02.1988 GB 19880004514 25.01.1989 GB 19890001562 (71) Applicant: PARKER HILTON LIMITED Tyldesley Manchester M29 8BQ (GB)	(72) Inventors: SHILLITO, David, Daniel Nr. Manchester M29 7FX (GB) PARKINSON, Denis, Thomas Nr. Manchester M29 8NW (GB) (74) Representative: Massey, Alexander  MARKS & CLERK, Sussex House, 83-85 Mosley Street Manchester M2 3LG Manchester M2 3LG (GB)