(19)

(11)

EP 2 488 815 A2

(12)

(88) Date of publication A3: 19.01.2012 (43) Date of publication: 22.08.2012 Bulletin 2012/34 (21) Application number: 10787879.5 (22) Date of filing: 12.10.2010

(51) International Patent Classification (IPC):  F28D 1/053(2006.01) (86) International application number: PCT/IB2010/002596 (87) International publication number: WO 2011/045653 (21.04.2011 Gazette 2011/16)

(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: 13.10.2009 IT MI20091749 (71) Applicant: FONDITAL S.p.A. Vobarno (BS) (IT)	(72) Inventor: FRANZONI, Francesco I-25070 Casto (IT) (74) Representative: Cernuzzi, Daniele et al Studio Torta S.p.A. Via Viotti, 9 10121 Torino 10121 Torino (IT)