(19)

(11)

EP 0 948 378 A1

(12)

(43) Date of publication: 13.10.1999 Bulletin 1999/41 (21) Application number: 97910524.0 (22) Date of filing: 28.10.1997

(51) International Patent Classification (IPC):  A63B 53/ 04( . ) (86) International application number: PCT/GB1997/002967 (87) International publication number: WO 1998/020941 (22.05.1998 Gazette 1998/20)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 08.11.1996 GB 19960023282 (71) Applicant: Parkinson, David Knottingley, West Yorkshire WF11 6HH (GB)	(72) Inventor: Parkinson, David Knottingley, West Yorkshire WF11 6HH (GB) (74) Representative: Flynn, Michael Joseph  William Jones, Willow Lane House, Willow Lane Norwich NR2 1EU Norwich NR2 1EU (GB)