(19)

(11)

EP 0 374 177 A1

(12)

(43) Date of publication: 27.06.1990 Bulletin 1990/26 (21) Application number: 88907868.0 (22) Date of filing: 29.08.1988

(51) International Patent Classification (IPC):  A63B 51/ 10( . ) (86) International application number: PCT/SE1988/000438 (87) International publication number: WO 1989/001809 (09.03.1989 Gazette 1989/06)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI NL (30) Priority: 31.08.1987 SE 19870003389 (71) Applicant: TOOLING PROMOTION AB S-411 26 Göteborg (SE)	(72) Inventor: PETTERSSON, Bengt S-434 00 Kungsbacka (SE) (74) Representative: Mossmark, Anders, et al  Albihn West AB, Box 142 S-401 22 Göteborg S-401 22 Göteborg (SE)