(19)

(11)

EP 0 819 021 A1

(12)

(43) Date of publication: 21.01.1998 Bulletin 1998/04 (21) Application number: 96942193.0 (22) Date of filing: 12.12.1996

(51) International Patent Classification (IPC):  A63C 5/ 00( . ) A63C 5/ 025( . ) (86) International application number: PCT/BE1996/000131 (87) International publication number: WO 1997/028857 (14.08.1997 Gazette 1997/35)

(84) Designated Contracting States: AT CH DE ES FR GB IT LI NL (30) Priority: 06.02.1996 BE 19960000103 (71) Applicant: Shortski, Naamloze Vennootschap 8380 Zeebrugge (BE)	(72) Inventor: CATTOOR, Wally B-8380 Zeebrugge (BE) (74) Representative: Donné, Eddy, et al  Bureau M.F.J. Bockstael nv Arenbergstraat 13 2000 Antwerpen 2000 Antwerpen (BE)