(19)

(11)

EP 2 794 428 A1

(12)

(43) Date of publication: 29.10.2014 Bulletin 2014/44 (21) Application number: 12858888.6 (22) Date of filing: 20.12.2012

(51) International Patent Classification (IPC):  B65D 88/12(2006.01) B65D 90/00(2006.01) (86) International application number: PCT/FI2012/051284 (87) International publication number: WO 2013/093206 (27.06.2013 Gazette 2013/26)

(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 (30) Priority: 23.12.2011 FI 20116324 (71) Applicant: Rautaruukki Oyj 00810 Helsinki (FI)	(72) Inventors: MAARANEN, Ilpo FI-00810 Helsinki (FI) SILTANEN, Jukka FI-00810 Helsinki (FI) NURMELA, Ville-Matti FI-00810 Helsinki (FI) (74) Representative: Kolster Oy Ab  Iso Roobertinkatu 23 PO Box 148 00121 Helsinki 00121 Helsinki (FI)