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EP 4 014 079 A1

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(43) Date of publication: 22.06.2022 Bulletin 2022/25 (21) Application number: 20742638.8 (22) Date of filing: 05.06.2020

(51) International Patent Classification (IPC):  G02B 6/44(2006.01) H02G 3/32(2006.01) H02G 1/08(2006.01) F16L 55/18(2006.01) G02B 6/54(2006.01) G02B 6/50(2006.01) B25B 25/00(2006.01) F16L 33/08(2006.01) (52) Cooperative Patent Classification (CPC): B25B 25/005; F16L 2101/50; G02B 6/4471; G02B 6/502; G02B 6/508; H02G 1/088; H02G 3/32; H02G 9/06; F16L 55/163; F16L 55/00; F16L 3/13; F16L 3/133; F16L 3/06 (86) International application number: PCT/CZ2020/050041 (87) International publication number: WO 2021/027981 (18.02.2021 Gazette 2021/07)

(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 (30) Priority: 14.08.2019 CZ 20190533 (71) Applicant: GWB.CZ S.R.O. 725 29 Ostrava, Petrkovice (CZ)	(72) Inventor: NAJMAN, Michal 72529 Ostrava, Petrkovice (CZ) (74) Representative: Kreizlova, Dana  Navesni 61 76001 Zlin - Mladcova 76001 Zlin - Mladcova (CZ)