(19)

(11)

EP 2 588 677 A1

(12)

(43) Date of publication: 08.05.2013 Bulletin 2013/19 (21) Application number: 10736996.9 (22) Date of filing: 01.07.2010

(51) International Patent Classification (IPC):  E04C 5/06(2006.01) (86) International application number: PCT/EP2010/059406 (87) International publication number: WO 2012/000559 (05.01.2012 Gazette 2012/01)

(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 SE SI SK SM TR (71) Applicant: Sidenor S.A. 15125 Athens (GR)	(72) Inventor: DIMOS KALTEZIOTIS, Leoforos GR-15125 Athens (GR) (74) Representative: TBK  Bavariaring 4-6 80336 München 80336 München (DE)