(19)

(11)

EP 0 414 725 A1

(12)

(43) Date of publication: 06.03.1991 Bulletin 1991/10 (21) Application number: 89904845.0 (22) Date of filing: 11.04.1989

(51) International Patent Classification (IPC):  A63B 67/ 12( . ) A63B 69/ 40( . ) (86) International application number: PCT/GB1989/000367 (87) International publication number: WO 1989/010775 (16.11.1989 Gazette 1989/27)

(84) Designated Contracting States: DE FR GB IT NL SE (30) Priority: 14.05.1988 GB 19880011494 (71) Applicant: CORVIN, Frank, Alfred Bournemouth, Dorset BH 1 4SH (GB)	(72) Inventor: CORVIN, Frank, Alfred Bournemouth, Dorset BH 1 4SH (GB) (74) Representative: Turner, Paul Malcolm, et al  URQUHART DYKES & LORD 8 Lindsay Road Poole Dorset BH13 6AR Poole Dorset BH13 6AR (GB)