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(11)

EP 2 179 239 A1

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(43) Date of publication: 28.04.2010 Bulletin 2010/17 (21) Application number: 08775095.6 (22) Date of filing: 15.07.2008

(51) International Patent Classification (IPC):  F28D 7/16(2006.01) F28F 9/22(2006.01) F28F 1/02(2006.01) (86) International application number: PCT/EP2008/059236 (87) International publication number: WO 2009/013180 (29.01.2009 Gazette 2009/05)

(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 Designated Extension States: AL BA MK RS (30) Priority: 23.07.2007 IT PD20070251 (71) Applicant: M.T.A. S.p.A. 35026 Conselve PD (IT)	(72) Inventors: BERNARDINELLO, Stefano I-35021 Villatora Di Saonara (pd) (IT) BOTTAZZO, Andrea I-35020 Ponte San Nicolò (pd) (IT) (74) Representative: Cantaluppi, Stefano et al Cantaluppi & Partners S.r.l. Piazzetta Cappellato Pedrocchi, 18 35122 Padova 35122 Padova (IT)