(19)

(11)

EP 2 493 635 A1

(12)

(43) Date of publication: 05.09.2012 Bulletin 2012/36 (21) Application number: 10757539.1 (22) Date of filing: 17.09.2010

(51) International Patent Classification (IPC):  B21B 41/10(2006.01) B21C 49/00(2006.01) (86) International application number: PCT/US2010/049217 (87) International publication number: WO 2011/059566 (19.05.2011 Gazette 2011/20)

(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 SE SI SK SM TR (30) Priority: 29.10.2009 US 608338 (71) Applicant: Siemens Industry, Inc. Alpharetta, GA 30005-4437 (US)	(72) Inventor: SHORE, T. Michael Princeton Massachusetts 01541 (US) (74) Representative: Capré, Didier  c/o Siemens AG Postfach 221634 80506 München 80506 München (DE)