(19)

(11)

EP 2 732 105 A1

(12)

(43) Date of publication: 21.05.2014 Bulletin 2014/21 (21) Application number: 12759204.6 (22) Date of filing: 16.07.2012

(51) International Patent Classification (IPC):  E03D 1/34(2006.01) E03D 1/38(2006.01) (86) International application number: PCT/IB2012/053637 (87) International publication number: WO 2013/011454 (24.01.2013 Gazette 2013/04)

(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: 15.07.2011 IT MI20111321 (71) Applicant: VALSIR S.p.A. 25078 Vestone (BS) (IT)	(72) Inventor: FERREIRA, Francisco Valneide I-25078 Vestone (IT) (74) Representative: Cernuzzi, Daniele et al Studio Torta S.p.A. Via Viotti, 9 10121 Torino 10121 Torino (IT)