(19)

(11)

EP 0 998 338 A1

(12)

(43) Date of publication: 10.05.2000 Bulletin 2000/19 (21) Application number: 98931890.2 (22) Date of filing: 14.07.1998

(51) International Patent Classification (IPC)7: A63F 9/08 (86) International application number: PCT/CZ9800/031 (87) International publication number: WO 9904/874 (04.02.1999 Gazette 1999/05)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IT LI NL PT SE (30) Priority: 21.07.1997 CZ 2311 (71) Applicant: Blazek, Zdenek 602 00 Brno (CZ)	(72) Inventor: Blazek, Zdenek 602 00 Brno (CZ) (74) Representative: Hengelhaupt, Jürgen, Dipl.-Ing. et al Schützenstrasse 15-17 10117 Berlin 10117 Berlin (DE)