(19)

(11)

EP 2 718 764 A1

(12)

(43) Date of publication: 16.04.2014 Bulletin 2014/16 (21) Application number: 12740656.9 (22) Date of filing: 13.06.2012

(51) International Patent Classification (IPC):  G02C 3/00(2006.01) G02C 5/14(2006.01) (86) International application number: PCT/IB2012/001144 (87) International publication number: WO 2012/172408 (20.12.2012 Gazette 2012/51)

(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: 13.06.2011 IT BO20110339 (71) Applicant: Conti, Giuseppe 50023 Impruneta (FI) (IT)	(72) Inventor: Conti, Giuseppe 50023 Impruneta (FI) (IT) (74) Representative: Barberi, Vittorio  Studio Brevetti Barberi S.r.l. Viale Europa, 101 50126 Firenze 50126 Firenze (IT)