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EP 2 215 421 A1

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(43) Date of publication: 11.08.2010 Bulletin 2010/32 (21) Application number: 08841210.1 (22) Date of filing: 24.10.2008

(51) International Patent Classification (IPC):  F28F 21/08(2006.01) C22C 38/42(2006.01) C22C 38/52(2006.01) C22C 38/58(2006.01) C01B 25/234(2006.01) C22C 38/40(2006.01) C22C 38/44(2006.01) C22C 38/54(2006.01) C01B 25/22(2006.01) (86) International application number: PCT/SE2008/051204 (87) International publication number: WO 2009/054799 (30.04.2009 Gazette 2009/18)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 26.10.2007 SE 0702392 (71) Applicant: Sandvik Intellectual Property Ab 811 81 Sandviken (SE)	(72) Inventors: RONNETEG, Sabina S-811 60 Sandviken (SE) TERSMEDEN, Knut S-811 36 Sandviken (SE) NYSTRÖM, Anna-Lena S-811 32 Sandviken (SE)