(19)

(11)

EP 1 412 114 A1

(12)

(43) Date of publication: 28.04.2004 Bulletin 2004/18 (21) Application number: 02768399.4 (22) Date of filing: 02.08.2002

(51) International Patent Classification (IPC)7: B22F 7/02 (86) International application number: PCT/US2002/024497 (87) International publication number: WO 2003/013768 (20.02.2003 Gazette 2003/08)

(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: 03.08.2001 US 309893 P (71) Applicant: GKN Sinter Metals Inc. Germantown, WI 53022 (US)	(72) Inventors: CADLE, Terry, M. Wauwatosa, WI 53226 (US) MANDEL, Joel, H. Hartford, WI 53027 (US) (74) Representative: Lippert, Marianne  Jung HMLPatentanwälteEmil-Claar-Strasse 20 60322 Frankfurt am Main 60322 Frankfurt am Main (DE)