(19)

(11)

EP 1 144 762 A1

(12)

(43) Date of publication: 17.10.2001 Bulletin 2001/42 (21) Application number: 99929690.8 (22) Date of filing: 24.06.1999

(51) International Patent Classification (IPC)7: E01F 15/08, E01F 8/02 (86) International application number: PCT/IT9900/184 (87) International publication number: WO 0039/404 (06.07.2000 Gazette 2000/27)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 29.12.1998 IT RM980813 (71) Applicant: AUTOSTRADE CONCESSIONI E COSTRUZIONI AUTOSTRADE S.P.A. I-00159 Roma (IT)	(72) Inventors: CAMOMILLA, Gabriele I-00159 Roma (IT) BRUSCHI, Stefano I-00159 Roma (IT) (74) Representative: Fiammenghi-Domenighetti, Delfina et al Fiammenghi-FiammenghiVia Quattro Fontane 31 00184 Roma 00184 Roma (IT)