(19)

(11)

EP 3 084 335 A1

(12)

(43) Date of publication: 26.10.2016 Bulletin 2016/43 (21) Application number: 14843159.6 (22) Date of filing: 15.12.2014

(51) International Patent Classification (IPC):  F28F 21/00(2006.01) F28D 1/053(2006.01) F28D 1/03(2006.01) (86) International application number: PCT/IB2014/002776 (87) International publication number: WO 2015/092517 (25.06.2015 Gazette 2015/25)

(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: 18.12.2013 IT AR20130010 (71) Applicant: Petracca, Antonio 50018 Scandicci (FI) (IT)	(72) Inventor: Petracca, Antonio 50018 Scandicci (FI) (IT) (74) Representative: Olivieri, Antonella  Fabbriciani & Olivieri S.r.l. Piazza Guido Monaco, 11 52100 Arezzo 52100 Arezzo (IT)