(19)

(11)

EP 3 283 815 A1

(12)

(43) Date of publication: 21.02.2018 Bulletin 2018/08 (21) Application number: 16725906.8 (22) Date of filing: 12.04.2016

(51) International Patent Classification (IPC):  F21S 8/02(2006.01) F21V 29/77(2015.01) F21Y 115/10(2016.01) F21V 19/04(2006.01) F21V 17/00(2006.01) F21V 21/04(2006.01) (86) International application number: PCT/IB2016/052068 (87) International publication number: WO 2016/185299 (24.11.2016 Gazette 2016/47)

(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 Designated Validation States: MA MD (30) Priority: 13.04.2015 IT MI20150526 (71) Applicant: Buzzi & Buzzi S.r.l. 20060 Pozzo d'Adda (Milano) (IT)	(72) Inventors: BUZZI, Dario 20060 Pozzo d'Adda (Milano) (IT) BUZZI, Andrea 20060 Pozzo d'Adda (Milano) (IT) (74) Representative: Villanova, Massimo et al Luppi Intellectual Property Srl Via De Amicis, 25 20123 Milano 20123 Milano (IT)