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(11)

EP 3 102 756 A1

(12)

(43) Date of publication: 14.12.2016 Bulletin 2016/50 (21) Application number: 14828505.9 (22) Date of filing: 03.12.2014

(51) International Patent Classification (IPC):  E04G 23/02(2006.01) (86) International application number: PCT/IB2014/002640 (87) International publication number: WO 2015/118372 (13.08.2015 Gazette 2015/32)

(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: 05.02.2014 IT MI20140164 (71) Applicant: TRI Srl 25124 Brescia (BS) (IT)	(72) Inventors: SACRATO, Stefano I-25124 Brescia (BS) (IT) PLIZZARI, Giovanni I-25124 Brescia (BS) (IT) (74) Representative: Checcacci, Giorgio et al Porta, Checcacci & Associati S.p.A. Via Trebbia 20 20135 Milano 20135 Milano (IT)