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(11)

EP 3 099 834 A1

(12)

(43) Date of publication: 07.12.2016 Bulletin 2016/49 (21) Application number: 15702298.9 (22) Date of filing: 26.01.2015

(51) International Patent Classification (IPC):  C22C 37/04(2006.01) C22C 33/08(2006.01) C22C 37/10(2006.01) C21D 5/00(2006.01) (86) International application number: PCT/FI2015/050044 (87) International publication number: WO 2015/114210 (06.08.2015 Gazette 2015/31)

(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: 28.01.2014 FI 20145094 (71) Applicant: Wärtsilä Finland Oy 65380 Vaasa (FI)	(72) Inventors: SILVONEN, Aulis FI-65100 Vaasa (FI) LAINE, Jarkko FI-65100 Vaasa (FI) JALAVA, Kalle FI-65100 Vaasa (FI) (74) Representative: Berggren Oy Ab  P.O. Box 16 Eteläinen Rautatiekatu 10A 00101 Helsinki 00101 Helsinki (FI)