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(11)

EP 2 601 284 A1

(12)

(43) Date of publication: 12.06.2013 Bulletin 2013/24 (21) Application number: 11729169.0 (22) Date of filing: 27.05.2011

(51) International Patent Classification (IPC):  C11D 17/00(2006.01) C11D 17/04(2006.01) C11D 11/00(2006.01) E03D 9/02(2006.01) (86) International application number: PCT/IB2011/001165 (87) International publication number: WO 2012/017278 (09.02.2012 Gazette 2012/06)

(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: 06.08.2010 IT RE20100065 (71) Applicant: RE.LE.VI. S.p.a. 46040 Rodigo (Mantova) (IT)	(72) Inventor: PAGANI, Fabio I-46040 Gazoldo degli Ippoliti (Mantova) (IT) (74) Representative: Corradini, Cesare et al Ing. C. Corradini & C. S.r.l. Via Dante Alighieri, 4 42121 Reggio Emilia 42121 Reggio Emilia (IT)