(19)

(11)

EP 2 583 030 A1

(12)

(43) Date of publication: 24.04.2013 Bulletin 2013/17 (21) Application number: 11719559.4 (22) Date of filing: 13.05.2011

(51) International Patent Classification (IPC):  F22B 37/06(2006.01) F28F 13/06(2006.01) F28F 1/40(2006.01) (86) International application number: PCT/EP2011/057747 (87) International publication number: WO 2011/157495 (22.12.2011 Gazette 2011/51)

(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 (30) Priority: 16.06.2010 IT MI20101086 (71) Applicant: Unical AG S.p.A. 46033 Castel D'ario (IT)	(72) Inventors: FIORANI, Sergio I-46030 Bigarello (IT) DE SANTI, Giuseppe I-46032 Castelbelforte (IT) (74) Representative: Modiano, Micaela Nadia et al Modiano & Partners (IT) Via Meravigli, 16 20123 Milano 20123 Milano (IT)