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(11)

EP 3 143 356 A1

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(43) Date of publication: 22.03.2017 Bulletin 2017/12 (21) Application number: 14736019.2 (22) Date of filing: 13.05.2014

(51) International Patent Classification (IPC):  F28F 9/14(2006.01) F28F 9/18(2006.01) F28F 9/16(2006.01) (86) International application number: PCT/IB2014/061390 (87) International publication number: WO 2015/173606 (19.11.2015 Gazette 2015/46)

(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 (71) Applicant: Provides Metalmeccanica S.r.l. 04100 Latina LT (IT)	(72) Inventor: PROVENZIANI, Franco I-04100 Latina (IT) (74) Representative: Papa, Elisabetta et al Società Italiana Brevetti S.p.A Piazza di Pietra, 39 00186 Roma 00186 Roma (IT)