(19)

(11)

EP 2 938 448 A1

(12)

(43) Date of publication: 04.11.2015 Bulletin 2015/45 (21) Application number: 13868294.3 (22) Date of filing: 12.12.2013

(51) International Patent Classification (IPC):  B22C 9/10(2006.01) B22F 3/12(2006.01) (86) International application number: PCT/US2013/074555 (87) International publication number: WO 2014/105436 (03.07.2014 Gazette 2014/27)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 28.12.2012 US 201213729077 (71) Applicant: United Technologies Corporation Hartford, CT 06101 (US)	(72) Inventor: BOCHIECHIO, Mario P. Vernon, Connecticut 06066 (US) (74) Representative: Hall, Matthew Benjamin  Dehns St Bride's House 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)