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(11)

EP 3 099 823 A1

(12)

(43) Date of publication: 07.12.2016 Bulletin 2016/49 (21) Application number: 15701351.7 (22) Date of filing: 27.01.2015

(51) International Patent Classification (IPC):  C21B 3/10(2006.01) B22D 41/00(2006.01) B22D 41/12(2006.01) B22D 41/02(2006.01) (86) International application number: PCT/EP2015/051543 (87) International publication number: WO 2015/113947 (06.08.2015 Gazette 2015/31)

(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: 28.01.2014 EP 14152876 (71) Applicants: Vesuvius Crucible Company Wilmington, Delaware 19801 (US) Vesuvius Group (SA) 7011 Ghlin (BE) MC	(72) Inventors: KREIERHOFF, Martin 46325 Borken (DE) SCHÜNTZEL, Joachim 46325 Borken (DE) (74) Representative: Brohez, Véronique  Vesuvius Group S.A. Rue de Douvrain, 17 7011 Ghlin 7011 Ghlin (BE)