(19)

(11)

EP 1 409 801 A1

(12)

(43) Date of publication: 21.04.2004 Bulletin 2004/17 (21) Application number: 01915949.0 (22) Date of filing: 21.03.2001

(51) International Patent Classification (IPC)7: E04B 1/38, E04B 2/80 (86) International application number: PCT/NO2001/000120 (87) International publication number: WO 2001/071113 (27.09.2001 Gazette 2001/39)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 22.03.2000 NO 20001491 (71) Applicant: Gustavsen, Jan Elling 3030 Drammen (NO)	(72) Inventor: Gustavsen, Jan Elling 3030 Drammen (NO) (74) Representative: Karlsson, Leif Karl Gunnar  L.A. Groth & Co i Malmö HB,P.O. Box 6153 200 11 Malmö 200 11 Malmö (SE)