(19)

(11)

EP 1 194 242 A1

(12)

(43) Date of publication: 10.04.2002 Bulletin 2002/15 (21) Application number: 00916384.1 (22) Date of filing: 16.03.2000

(51) International Patent Classification (IPC)7: B02C 19/06 (86) International application number: PCT/US0006/853 (87) International publication number: WO 0056/460 (28.09.2000 Gazette 2000/39)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 23.03.1999 US 125570 P (71) Applicant: Polifka, Francis D. Hays, KS 67601 (US)	(72) Inventor: Polifka, Francis D. Hays, KS 67601 (US) (74) Representative: Strehl Schübel-Hopf & Partner  Maximilianstrasse 54 80538 München 80538 München (DE)