(19)

(11)

EP 1 497 515 A1

(12)

(43) Date of publication: 19.01.2005 Bulletin 2005/03 (21) Application number: 03725888.6 (22) Date of filing: 14.04.2003

(51) International Patent Classification (IPC)7: E04H 6/10 // (E04G27/00, E04B5:14) (86) International application number: PCT/NO2003/000120 (87) International publication number: WO 2003/091514 (06.11.2003 Gazette 2003/45)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 25.04.2002 NO 20021978 (71) Applicant: Hofstad, Stein 7048 Trondheim (NO)	(72) Inventor: Hofstad, Stein 7048 Trondheim (NO) (74) Representative: Szelagowski, Helen  Bjerkéns Patentbyra KB,Box 1274 801 37 Gävle 801 37 Gävle (SE)