(19)

(11)

EP 2 668 462 A1

(12)

(43) Date of publication: 04.12.2013 Bulletin 2013/49 (21) Application number: 12701121.1 (22) Date of filing: 25.01.2012

(51) International Patent Classification (IPC):  F41C 33/06(2006.01) F41C 33/02(2006.01) (86) International application number: PCT/EP2012/051127 (87) International publication number: WO 2012/101164 (02.08.2012 Gazette 2012/31)

(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: 26.01.2011 IT MN20110003 (71) Applicant: Negrini S.r.L. 46026 Quistello (IT)	(72) Inventor: NEGRINI, Franco I-46026 Quistello (IT) (74) Representative: Modiano, Micaela Nadia et al Modiano Gardi Patents SAS Via Meravigli 16 20123 Milano 20123 Milano (IT)