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(11)

EP 2 714 292 A1

(12)

(43) Date of publication: 09.04.2014 Bulletin 2014/15 (21) Application number: 12731707.1 (22) Date of filing: 25.05.2012

(51) International Patent Classification (IPC):  B08B 9/20(2006.01) B08B 9/42(2006.01) B08B 9/30(2006.01) B67C 7/00(2006.01) (86) International application number: PCT/IB2012/052643 (87) International publication number: WO 2012/164472 (06.12.2012 Gazette 2012/49)

(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: 27.05.2011 IT MI20110965 (71) Applicant: IWT S.r.L. 21020 Casale Litta (IT)	(72) Inventors: SAVOIA, Luciano I-21047 Saronno (IT) IAMETTI, Christian I-21040 Sumirago (IT) (74) Representative: Lualdi, Lorenzo et al Notarbartolo & Gervasi S.p.A. Corso di Porta Vittoria, 9 20122 Milano 20122 Milano (IT)