(19)

(11)

EP 1 368 540 A1

(12)

(43) Date of publication: 10.12.2003 Bulletin 2003/50 (21) Application number: 02700178.3 (22) Date of filing: 22.02.2002

(51) International Patent Classification (IPC)7: E01C 7/26, E01C 7/32, E01C 7/35 (86) International application number: PCT/DK0200/117 (87) International publication number: WO 0207/5052 (26.09.2002 Gazette 2002/39)

(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: 15.03.2001 DK 200100445 (71) Applicant: Densit A/S DK-9100 Aalborg (DK)	(72) Inventor: LARSEN, Per, Aarsleff DK-9000 Aalborg (DK) (74) Representative: Tellefsen, Jens J. et al Patrade A/S,Fredens Torv 3A 8000 Aarhus C 8000 Aarhus C (DK)