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EP 3 322 832 A1

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(43) Date of publication: 23.05.2018 Bulletin 2018/21 (21) Application number: 16736885.1 (22) Date of filing: 11.07.2016

(51) International Patent Classification (IPC):  C23C 4/18(2006.01) C23C 24/04(2006.01) C23C 4/01(2016.01) B05B 13/04(2006.01) C23C 24/10(2006.01) C23C 4/08(2016.01) (86) International application number: PCT/EP2016/066445 (87) International publication number: WO 2017/009295 (19.01.2017 Gazette 2017/03)

(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 Designated Validation States: MA MD (30) Priority: 13.07.2015 IT UB20152136 (71) Applicant: Nuovo Pignone Tecnologie SrL 50127 Florence (IT)	(72) Inventors: BELLACCI, Michelangelo 50127 Florence (IT) IOZZELLI, Federico 50127 Florence (IT) MASI, Gabriele 50127 Florence (IT) TOGNARELLI, Leonardo 50127 Florence (IT) (74) Representative: Illingworth-Law, William Illingworth  GPO Europe GE International Inc. The Ark 201 Talgarth Road Hammersmith London W6 8BJ London W6 8BJ (GB)