(19)
(11) EP 2 076 637 A1

(12)

(43) Date of publication:
08.07.2009 Bulletin 2009/28

(21) Application number: 07730548.0

(22) Date of filing: 30.03.2007
(51) International Patent Classification (IPC): 
E04B 5/10(2006.01)
E04B 5/43(2006.01)
E04B 5/32(2006.01)
(86) International application number:
PCT/FI2007/000079
(87) International publication number:
WO 2008/023086 (28.02.2008 Gazette 2008/09)
(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 MT NL PL PT RO SE SI SK TR

(30) Priority: 25.08.2006 FI 20060760

(71) Applicant: RAUTARUUKKI OYJ
00811 Helsinki (FI)

(72) Inventors:
  • KANSA, Jouko
    21280 Raisio (FI)
  • JENSÉN, Jan
    25840 Nivelax (FI)
  • HEINISUO, Markku
    33500 Tampere (FI)

(74) Representative: Laako, Tero Jussi 
Berggren Oy Ab P.O. Box 16
00101 Helsinki
00101 Helsinki (FI)

   


(54) STIFFENING OF LOAD-BEARING INTERMEDIATE FLOOR SLABS IN BUILDINGS