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(11)

EP 3 548 207 A1

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(43) Date of publication: 09.10.2019 Bulletin 2019/41 (21) Application number: 18706193.2 (22) Date of filing: 30.01.2018

(51) International Patent Classification (IPC):  B22D 11/06(2006.01) C03B 35/18(2006.01) B22D 11/16(2006.01) (86) International application number: PCT/EP2018/052269 (87) International publication number: WO 2018/141744 (09.08.2018 Gazette 2018/32)

(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 TN (30) Priority: 31.01.2017 AT 500702017 (71) Applicant: Siemens AG Österreich 1210 Wien (AT)	(72) Inventor: HOHENBICHLER, Gerald 4484 Kronstorf (AT) (74) Representative: Maier, Daniel Oliver  Siemens AG Postfach 22 16 34 80506 München 80506 München (DE)