(19)

(11)

EP 1 766 297 A1

(12)

(43) Date of publication: 28.03.2007 Bulletin 2007/13 (21) Application number: 05740061.6 (22) Date of filing: 26.04.2005

(51) International Patent Classification (IPC):  F24H 9/20(2006.01) (86) International application number: PCT/EP2005/051872 (87) International publication number: WO 2005/114062 (01.12.2005 Gazette 2005/48)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR (30) Priority: 13.05.2004 IT PN20040003 (71) Applicant: I.R.C.A. S.p.a. Industria Resistenze Corazzate e Affini 31020 San Vendemiano (IT)	(72) Inventors: TAURIAN, Andrea I-33080 PORCIA (PN) (IT) PLOS, Livio I-33170 PORDENONE (IT) MARINO, Daniele I-31015 CONEGLIANO (TV) (IT) (74) Representative: Cinquantini, Bruno et al Notarbartolo & Gervasi S.p.A, Corso di Porta Vittoria 9 20122 Milan 20122 Milan (IT)