(19)
(11) EP 3 911 809 A1

(12)

(43) Date of publication:
24.11.2021 Bulletin 2021/47

(21) Application number: 20741827.8

(22) Date of filing: 16.01.2020
(51) International Patent Classification (IPC): 
E04C 3/07(2006.01)
F16S 3/00(2006.01)
 E04C 3/04(2006.01)
(52) Cooperative Patent Classification (CPC):
E04B 2/7881; E04D 12/004; E04C 3/07; E04C 2003/0434; E04C 2003/0482
(86) International application number:
PCT/PL2020/050008
(87) International publication number:
WO 2020/149752 (23.07.2020 Gazette 2020/30)
(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: 19.01.2019 PL 42863019

(71) Applicants:
  • Narloch, Marek
    41-500 Chorzów (PL)
  • Supel, Lukasz
    94-245 Lodz (PL)
  • Narloch, Krzysztof
    41-500 Chorzów (PL)

(72) Inventors:
  • Narloch, Marek
    41-500 Chorzów (PL)
  • Supel, Lukasz
    94-245 Lodz (PL)
  • Narloch, Krzysztof
    41-500 Chorzów (PL)

(74) Representative: Lampart, Jerzy 
Kancelaria Patentowa Ul. Wyzwolenia 1b
42-624 Ossy
42-624 Ossy (PL)

   


(54) STRUCTURAL SECTION