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(11)

EP 2 893 193 A2

(12)

(88) Date of publication A3: 12.06.2014 (43) Date of publication: 15.07.2015 Bulletin 2015/29 (21) Application number: 13756704.6 (22) Date of filing: 03.07.2013

(51) International Patent Classification (IPC):  F04B 49/20(2006.01) B08B 3/02(2006.01) (86) International application number: PCT/IT2013/000185 (87) International publication number: WO 2014/009983 (16.01.2014 Gazette 2014/03)

(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 Designated Extension States: BA ME (30) Priority: 12.07.2012 IT TO20120615 (71) Applicant: Nuove Tecnologie Applicate S.R.L. 10121 Torino (IT)	(72) Inventors: LAMESTA, Gerardo I-10121 Torino (IT) KUSCHLAN, Alberto I-10121 Torino (IT) (74) Representative: Garavelli, Paolo  A.BRE.MAR. S.R.L. Via Servais 27 10146 Torino 10146 Torino (IT)