(19)

(11)

EP 3 353 352 A1

(12)

(43) Date of publication: 01.08.2018 Bulletin 2018/31 (21) Application number: 16794929.6 (22) Date of filing: 22.09.2016

(51) International Patent Classification (IPC):  E02D 17/20(2006.01) E04D 11/00(2006.01) E01C 3/06(2006.01) E02B 3/14(2006.01) (86) International application number: PCT/CZ2016/000108 (87) International publication number: WO 2017/050304 (30.03.2017 Gazette 2017/13)

(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 Designated Extension States: BA ME Designated Validation States: MA MD (30) Priority: 22.09.2015 CZ 20150649 (71) Applicant: Cegan S.R.O. 66451 Slapanice (CZ)	(72) Inventor: CEGAN, Slavoj CZ-66451 Slapanice (CZ) (74) Representative: Kendereski, Dusan  Koliste 13a 602 00 Brno 602 00 Brno (CZ)