(19)

(11)

EP 2 195 575 A2

(12)

(88) Date of publication A3: 23.04.2009 (43) Date of publication: 16.06.2010 Bulletin 2010/24 (21) Application number: 08787068.9 (22) Date of filing: 08.08.2008

(51) International Patent Classification (IPC):  F22G 1/16(2006.01) F22B 1/28(2006.01) F22G 3/00(2006.01) (86) International application number: PCT/EP2008/060484 (87) International publication number: WO 2009/019315 (12.02.2009 Gazette 2009/07)

(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 MT NL NO PL PT RO SE SI SK TR (30) Priority: 09.08.2007 IT RM20070434 (71) Applicant: I.R.C.A. S.p.a. Industria Resistenze Corazzate e Affini 31020 San Vendemiano (IT)	(72) Inventors: COLOMBO, Roberto I-31015 Conegliano (IT) IRRERA, Angelo I-31020 S. Vendemiano (IT) BIASI, Maurizio I-31043 Fontanelle (IT) (74) Representative: Cinquantini, Bruno et al Notarbartolo & Gervasi S.p.A. Corso di Porta Vittoria, 9 20122 Milano 20122 Milano (IT)