(19)

(11)

EP 2 769 020 A1

(12)

(43) Date of publication: 27.08.2014 Bulletin 2014/35 (21) Application number: 12799604.9 (22) Date of filing: 18.10.2012

(51) International Patent Classification (IPC):  E01C 19/20(2006.01) A01C 15/18(2006.01) (86) International application number: PCT/IB2012/055699 (87) International publication number: WO 2013/057693 (25.04.2013 Gazette 2013/17)

(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: 18.10.2011 IT TO20110937 (71) Applicant: Giletta S.p.A. Revello (IT)	(72) Inventor: GILETTA, Enzo I-12038 Revello (IT) (74) Representative: Lovino, Paolo et al Studio Torta S.p.A. Via Viotti, 9 10121 Torino 10121 Torino (IT)