(19)

(11)

EP 0 966 316 A1

(12)

(43) Date of publication: 29.12.1999 Bulletin 1999/52 (21) Application number: 98912367.0 (22) Date of filing: 23.02.1998

(51) International Patent Classification (IPC):  A63C 17/ 06( . ) (86) International application number: PCT/EP1998/001016 (87) International publication number: WO 1998/036807 (27.08.1998 Gazette 1998/34)

(84) Designated Contracting States: BE DE DK ES FI FR GB IT NL SE (30) Priority: 21.02.1997 DE 19972003809U (71) Applicant: Koch, Walter 44287 Dortmund (DE)	(72) Inventor: Koch, Walter 44287 Dortmund (DE) (74) Representative: Patentanwälte Wenzel & Kalkoff  Postfach 24 48 58414 Witten 58414 Witten (DE)