(19)

(11)

EP 2 766 536 A2

(12)

(88) Date of publication A3: 13.06.2013 (43) Date of publication: 20.08.2014 Bulletin 2014/34 (21) Application number: 12781270.9 (22) Date of filing: 10.10.2012

(51) International Patent Classification (IPC):  E04B 2/08(2006.01) E04B 2/16(2006.01) (86) International application number: PCT/CZ2012/000101 (87) International publication number: WO 2013/053340 (18.04.2013 Gazette 2013/16)

(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: 12.10.2011 CZ 20110646 (71) Applicant: Siedek, Hynek 151 31 Praha 5 - Lipence (CZ)	(72) Inventor: Siedek, Hynek 151 31 Praha 5 - Lipence (CZ) (74) Representative: Duskova, Hana  Czech Technical University in Prague Patent Centre Zikova 4 166 36 Praha 6 166 36 Praha 6 (CZ)