(19)

(11)

EP 0 346 363 A1

(12)

(43) Date of publication: 20.12.1989 Bulletin 1989/51 (21) Application number: 88901625.0 (22) Date of filing: 18.02.1988

(51) International Patent Classification (IPC):  A63B 21/ 06( . ) A63B 69/ 36( . ) A63B 21/ 00( . ) A63B 23/ 04( . ) A63B 69/ 38( . ) (86) International application number: PCT/GB1988/000104 (87) International publication number: WO 1988/006048 (25.08.1988 Gazette 1988/19)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 19.02.1987 GB 19870003833 17.03.1987 GB 19870006302 (71) Applicant: Norman, Peter G. Twickenham Middlesex TW1 2JN (GB)	(72) Inventor: Norman, Peter G. Twickenham Middlesex TW1 2JN (GB) (74) Representative: Sturt, Clifford Mark, et al  MARKS & CLERK 57-60 Lincoln's Inn Fields London WC2A 3LS London WC2A 3LS (GB)