(19)

(11)

EP 0 984 820 A1

(12)

(43) Date of publication: 15.03.2000 Bulletin 2000/11 (21) Application number: 98921590.0 (22) Date of filing: 19.05.1998

(51) International Patent Classification (IPC)7: A63B 23/18 (86) International application number: PCT/GB9801/310 (87) International publication number: WO 9852/651 (26.11.1998 Gazette 1998/47)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 21.05.1997 GB 9710306 18.07.1997 GB 9715070 27.10.1997 GB 9722565 (71) Applicant: Carlyle, James William Cambridgeshire PE13 1HY (GB)	(72) Inventor: Carlyle, James William Cambridgeshire PE13 1HY (GB) (74) Representative: Shaw, Laurence  5th Floor,Metropolitan House,1 Hagley Road,Edgbaston Birmingham B16 8TG Birmingham B16 8TG (GB)