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(11)

EP 2 016 279 A2

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(43) Date of publication: 21.01.2009 Bulletin 2009/04 (21) Application number: 07794657.2 (22) Date of filing: 08.05.2007

(51) International Patent Classification (IPC):  F02P 9/00(2006.01) (86) International application number: PCT/US2007/011115 (87) International publication number: WO 2007/133548 (22.11.2007 Gazette 2007/47)

(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 MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 11.05.2006 US 432045 (71) Applicant: RTI International Metals, Inc. Niles, OH 44446 (US)	(72) Inventors: MINAKAWA, Kuninori Mamaroneck, NY 10543 (US) KESKAR, Arvind, R. Houston, TX 77089 (US) BARB, Adrian League City, TX 77573 (US) (74) Representative: von Eichel-Streiber, Caspar  Raffay & Fleck Patentanwälte Grosse Bleichen 8 20354 Hamburg 20354 Hamburg (DE)