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EP 3 107 368 A1

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(43) Date of publication: 28.12.2016 Bulletin 2016/52 (21) Application number: 15701845.8 (22) Date of filing: 19.01.2015

(51) International Patent Classification (IPC):  A01C 23/00(2006.01) B60P 3/22(2006.01) F16K 27/02(2006.01) A01C 23/04(2006.01) F16K 24/04(2006.01) (86) International application number: PCT/IB2015/050382 (87) International publication number: WO 2015/125034 (27.08.2015 Gazette 2015/34)

(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: 21.02.2014 IT TO20140142 (71) Applicant: Metaltecnica S.R.L. 28077 Prato Sesia (Novara) (IT)	(72) Inventor: ZANOLO, Piero I-28077 Prato Sesia ( Novara ) (IT) (74) Representative: Gallarotti, Franco  Buzzi, Notaro & Antonielli d'Oulx Via Maria Vittoria, 18 10123 Torino 10123 Torino (IT)