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(11)

EP 3 377 667 A1

(12)

(43) Date of publication: 26.09.2018 Bulletin 2018/39 (21) Application number: 16795093.0 (22) Date of filing: 15.11.2016

(51) International Patent Classification (IPC):  C23C 4/06(2016.01) C23C 4/14(2016.01) B05B 5/00(2006.01) B05B 17/06(2006.01) B05B 13/02(2006.01) C23C 4/08(2016.01) C23C 4/123(2016.01) B05B 5/14(2006.01) B05C 9/04(2006.01) (86) International application number: PCT/EP2016/077711 (87) International publication number: WO 2017/085052 (26.05.2017 Gazette 2017/21)

(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: 20.11.2015 EP 15195642 (71) Applicant: Tata Steel Nederland Technology B.V. 1951 JZ Velsen-Noord (NL)	(72) Inventors: CRUIJFF, Marcel 1970 CA IJmuiden (NL) DELICAAT, Christiaan Louis Augustinus 1970 CA IJmuiden (NL) (74) Representative: Kruit, Jan  Tata Steel Nederland Technology B.V. Group Intellectual Property Services - 3G37 P.O. Box 10000 1970 CA Ijmuiden 1970 CA Ijmuiden (NL)