(19)

(11)

EP 3 673 134 A1

(12)

(43) Date of publication: 01.07.2020 Bulletin 2020/27 (21) Application number: 18716008.0 (22) Date of filing: 13.03.2018

(51) International Patent Classification (IPC):  E05F 15/643(2015.01) (86) International application number: PCT/SI2018/050010 (87) International publication number: WO 2019/177547 (19.09.2019 Gazette 2019/38)

(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: KH MA MD TN (71) Applicant: PIRNAR d.o.o. 1000 Ljubljana (SI)	(72) Inventor: PIRNAR, Roman 1000 LJUBLJANA (SI) (74) Representative: Marn, Jure  Ljubljanska ulica 9 2000 Maribor 2000 Maribor (SI)