(19)

(11)

EP 2 895 286 A1

(12)

(43) Date of publication: 22.07.2015 Bulletin 2015/30 (21) Application number: 12767152.7 (22) Date of filing: 11.09.2012

(51) International Patent Classification (IPC):  B22D 41/56(2006.01) (86) International application number: PCT/US2012/054557 (87) International publication number: WO 2014/042611 (20.03.2014 Gazette 2014/12)

(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 (71) Applicant: Refractory Intellectual Property GmbH & Co. KG 1100 Wien (AT)	(72) Inventors: MCKILLEN, Gerard Madison, Ohio 44057 (US) SILVAGGIO, Michael Ashtabula, Ohio 44004 (US) (74) Representative: Schweiger, Johannes  Patentanwälte Becker & Müller Turmstrasse 22 40878 Ratingen 40878 Ratingen (DE)