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EP 2 686 118 A1

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(43) Date of publication: 22.01.2014 Bulletin 2014/04 (21) Application number: 12726486.9 (22) Date of filing: 13.03.2012

(51) International Patent Classification (IPC):  B07B 1/00(2006.01) B09B 3/00(2006.01) B02C 17/00(2006.01) B07B 4/00(2006.01) B03B 9/06(2006.01) (86) International application number: PCT/IB2012/000473 (87) International publication number: WO 2012/123807 (20.09.2012 Gazette 2012/38)

(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: 14.03.2011 IT MO20110056 19.10.2011 IT MO20110266 (71) Applicant: Sitec Castellarano S.p.A. 42014 Castellarano, RE (IT)	(72) Inventors: GHIRELLI, Ivan I-42014 Castellarano, RE (IT) FONTANINI, Marcello I-42014 Castellarano, RE (IT) (74) Representative: Brunacci, Marco et al BRUNACCI & PARTNERS S.r.l. Via Scaglia Est, 19-31 41126 Modena 41126 Modena (IT)