(19)

(11)

EP 1 848 867 A1

(12)

(43) Date of publication: 31.10.2007 Bulletin 2007/44 (21) Application number: 06707843.6 (22) Date of filing: 25.01.2006

(51) International Patent Classification (IPC):  E04C 5/06(2006.01) (86) International application number: PCT/EP2006/050450 (87) International publication number: WO 2006/079639 (03.08.2006 Gazette 2006/31)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 25.01.2005 EP 05075188 (71) Applicant: Sidenor SA Halandri 15231 (GR)	(72) Inventors: KALTEZIOTIS, Dimosthenis, Praksys SA GR-152 31 Athens (GR) THEOHARIDES, Dimitris, Sidenor SA GR-152 31 Athens (GR) (74) Representative: Flutter, Paula  EIP Fairfax House 15 Fulwood Place London WC1V 6HU London WC1V 6HU (GB)