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(11)

EP 2 429 740 A1

(12)

(43) Date of publication: 21.03.2012 Bulletin 2012/12 (21) Application number: 10718013.5 (22) Date of filing: 07.05.2010

(51) International Patent Classification (IPC):  B22D 11/04(2006.01) B22D 21/02(2006.01) B22D 21/00(2006.01) C22C 1/02(2006.01) (86) International application number: PCT/US2010/034039 (87) International publication number: WO 2010/129868 (11.11.2010 Gazette 2010/45)

(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: 07.05.2009 US 176340 P (71) Applicant: Popper, Michael K. Sewickley, Pennsylvania 15143 (US)	(72) Inventor: Popper, Michael K. Sewickley, Pennsylvania 15143 (US) (74) Representative: Fritzsche, Thomas  Fuchs Patentanwälte Naupliastrasse 110 81545 München 81545 München (DE)