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EP 3 247 843 A1

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(43) Date of publication: 29.11.2017 Bulletin 2017/48 (21) Application number: 15734244.5 (22) Date of filing: 25.03.2015

(51) International Patent Classification (IPC):  E04F 11/18(2006.01) (86) International application number: PCT/IT2015/000079 (87) International publication number: WO 2015/145477 (01.10.2015 Gazette 2015/39)

(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: 25.03.2014 IT VI20140075 (71) Applicant: IND.I.A. S.p.A. 36034 Malo (VI) (IT)	(72) Inventor: GONZATO, Dario I-36015 Schio (VI) (IT) (74) Representative: De Giorgi, Michele et al Barzanò & Zanardo Roma S.p.A. Via Piemonte, 26 00187 Rome 00187 Rome (IT)