(19)

(11)

EP 2 619 375 A1

(12)

(43) Date of publication: 31.07.2013 Bulletin 2013/31 (21) Application number: 11785092.5 (22) Date of filing: 21.09.2011

(51) International Patent Classification (IPC):  E03D 1/35(2006.01) E03D 1/14(2006.01) (86) International application number: PCT/IB2011/054149 (87) International publication number: WO 2012/038908 (29.03.2012 Gazette 2012/13)

(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: 21.09.2010 IT MI20101711 (71) Applicant: VALSIR S.p.A. 25078 Vestone (BS) (IT)	(72) Inventor: FERREIRA, Francisco I-25078 Vestone (IT) (74) Representative: Cernuzzi, Daniele et al Studio Torta S.p.A. Via Viotti, 9 IT-10121 Torino IT-10121 Torino (IT)