(19)

(11)

EP 2 104 770 A1

(12)

(43) Date of publication: 30.09.2009 Bulletin 2009/40 (21) Application number: 08720187.7 (22) Date of filing: 10.01.2008

(51) International Patent Classification (IPC):  E02D 31/08(2006.01) (86) International application number: PCT/IT2008/000017 (87) International publication number: WO 2008/084510 (17.07.2008 Gazette 2008/29)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR (30) Priority: 11.01.2007 IT TO20070015 (71) Applicant: Roma E Assoicati S.R.L. 72100 Brindisi (IT)	(72) Inventor: ROMA, Vitantonio 10144 Torino (IT) (74) Representative: Bruni, Giovanni et al Laforgia, Bruni & Partners Corso Duca degli Abruzzi, 78 10129 Torino 10129 Torino (IT)