(19)

(11)

EP 2 430 204 A2

(12)

(88) Date of publication A3: 27.01.2011 (43) Date of publication: 21.03.2012 Bulletin 2012/12 (21) Application number: 10767419.4 (22) Date of filing: 21.04.2010

(51) International Patent Classification (IPC):  C22C 19/05(2006.01) (86) International application number: PCT/US2010/001177 (87) International publication number: WO 2010/123552 (28.10.2010 Gazette 2010/43)

(84) Designated Contracting States: 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: 24.04.2009 US 429837 (71) Applicant: L.E. Jones Company Menominee, MI 49858 (US)	(72) Inventors: QIAO, Cong Yue Menominee, Michigan 49858 (US) BANCROFT, Daniel W. Menominee, Michigan 94858 (US) (74) Representative: Morf, Jan Stefan  Abitz & Partner Patentanwälte Postfach 86 01 09 81628 München 81628 München (DE)