(19)

(11)

EP 2 726 235 A1

(12)

(43) Date of publication: 07.05.2014 Bulletin 2014/19 (21) Application number: 12730395.6 (22) Date of filing: 27.06.2012

(51) International Patent Classification (IPC):  B22D 41/22(2006.01) B22D 41/28(2006.01) B22D 41/44(2006.01) B22D 41/24(2006.01) B22D 41/34(2006.01) B22D 41/50(2006.01) (86) International application number: PCT/EP2012/002695 (87) International publication number: WO 2013/000566 (03.01.2013 Gazette 2013/01)

(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 (30) Priority: 28.06.2011 EP 11171655 (71) Applicant: Vesuvius Group S.A 7011 Ghlin (BE)	(72) Inventor: RENARD, Jean-luc B-7030 Saint-Symphorien (BE) (74) Representative: Brohez, Véronique  Vesuvius Group S.A. Rue de Douvrain, 17 7011 Ghlin 7011 Ghlin (BE)