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(11)

EP 2 850 377 A1

(12)

(43) Date of publication: 25.03.2015 Bulletin 2015/13 (21) Application number: 13735396.7 (22) Date of filing: 16.05.2013

(51) International Patent Classification (IPC):  F28D 11/02(2006.01) F28F 3/04(2006.01) (86) International application number: PCT/IB2013/000957 (87) International publication number: WO 2013/171566 (21.11.2013 Gazette 2013/47)

(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: 18.05.2012 IT MI20120866 (71) Applicant: Pozzi Leopoldo S.r.l. 20821 Meda (MB) (IT)	(72) Inventors: POZZI, Alberto I-20821 Meda (MB) (IT) CONVENTO, Flavio I-20821 Meda (MB) (IT) (74) Representative: Marietti, Giuseppe et al MARIETTI e GISLON S.r.l. Via Larga, 16 I-20122 Milano I-20122 Milano (IT)