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EP 1 937 906 A1

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(43) Date of publication: 02.07.2008 Bulletin 2008/27 (21) Application number: 06799851.8 (22) Date of filing: 10.10.2006

(51) International Patent Classification (IPC):  E03C 1/01(2006.01) E04F 17/08(2006.01) E04C 2/52(2006.01) (86) International application number: PCT/SE2006/050391 (87) International publication number: WO 2007/046760 (26.04.2007 Gazette 2007/17)

(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: 19.10.2005 SE 0502318 (71) Applicant: NCC AB 170 80 Solna (SE)	(72) Inventors: ANDREASSON, Sverker S-232 53 Åkarp (SE) SCHMIED, Hannes S-165 57 Hässelby (SE) BRONGE-FRANSEN, Åsa S-192 55 Sollentuna (SE) (74) Representative: Berglund, Stefan  Bjerkéns Patentbyra KB Östermalmsgatan 58 114 50 Stockholm 114 50 Stockholm (SE)