(19)

(11)

EP 1 979 116 A2

(12)

(88) Date of publication A3: 21.12.2007 (43) Date of publication: 15.10.2008 Bulletin 2008/42 (21) Application number: 07716492.9 (22) Date of filing: 10.01.2007

(51) International Patent Classification (IPC):  B22F 3/17(2006.01) B22F 5/08(2006.01) (86) International application number: PCT/US2007/000635 (87) International publication number: WO 2007/081993 (19.07.2007 Gazette 2007/29)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 10.01.2006 US 328653 (71) Applicant: GKN Sinter Metals Inc. Germantown, WI 53022 (US)	(72) Inventor: CHIESA, Alfred, J. Farmington Hills, MI 48331 (US) (74) Representative: Maxton Langmaack & Partner  Postfach 51 08 06 50944 Köln 50944 Köln (DE)