(19)

(11)

EP 1 423 546 A1

(12)

(43) Date of publication: 02.06.2004 Bulletin 2004/23 (21) Application number: 02798146.3 (22) Date of filing: 05.09.2002

(51) International Patent Classification (IPC)7: C22B 9/16 (86) International application number: PCT/US2002/028390 (87) International publication number: WO 2003/023078 (20.03.2003 Gazette 2003/12)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 07.09.2001 US 948423 (71) Applicant: Premelt Pump Inc. Canton, OH 44720 (US)	(72) Inventor: AREAUX, Larry, D. Punta Gorda, FL 33950 (US) (74) Representative: Hanson, William Bennett et al Bromhead Johnson,Kingsbourne House,229-231 High Holborn London WC1V 7DP London WC1V 7DP (GB)