(19)

(11)

EP 2 550 402 A2

(12)

(88) Date of publication A3: 01.12.2011 (43) Date of publication: 30.01.2013 Bulletin 2013/05 (21) Application number: 11718775.7 (22) Date of filing: 23.03.2011

(51) International Patent Classification (IPC):  E01H 1/10(2006.01) (86) International application number: PCT/GR2011/000012 (87) International publication number: WO 2011/117660 (29.09.2011 Gazette 2011/39)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 24.03.2010 GR 20100100188 (71) Applicant: Logothetis, Nikolaos 19200 Elefsina Attikis (GR)	(72) Inventor: Logothetis, Nikolaos 19200 Elefsina Attikis (GR)