(19)

(11)

EP 1 963 593 A1

(12)

(43) Date of publication: 03.09.2008 Bulletin 2008/36 (21) Application number: 06835722.7 (22) Date of filing: 14.12.2006

(51) International Patent Classification (IPC):  E04B 2/70(2006.01) (86) International application number: PCT/NO2006/000479 (87) International publication number: WO 2007/069908 (21.06.2007 Gazette 2007/25)

(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: 14.12.2005 NO 20055945 (71) Applicant: Nettum, Leif, Melvin 0588 Oslo (NO)	(72) Inventor: Nettum, Leif, Melvin 0588 Oslo (NO) (74) Representative: Onsagers Ltd  C/o Innovation Norway 5 Lower Regent Street GB-London SW1Y 4LR GB-London SW1Y 4LR (GB)