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(11)

EP 2 817 577 A1

(12)

(43) Date of publication: 31.12.2014 Bulletin 2015/01 (21) Application number: 13704989.6 (22) Date of filing: 21.02.2013

(51) International Patent Classification (IPC):  F27B 7/20(2006.01) C04B 7/36(2006.01) F27D 17/00(2006.01) (86) International application number: PCT/EP2013/053484 (87) International publication number: WO 2013/124372 (29.08.2013 Gazette 2013/35)

(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: 23.02.2012 IT MI20120269 (71) Applicant: ITALCEMENTI S.p.A. 24121 Bergamo (IT)	(72) Inventors: FEDI, Roberto I-24128 Bergamo (IT) CLAUSI, Antonio I-24125 Bergamo (IT) CINTI, Giovanni I-1-24124 Bergamo (IT) (74) Representative: De Gregori, Antonella  Studio Legale Bird & Bird Via Borgogna, 8 20122 Milano 20122 Milano (IT)