(19)
(11) EP 4 441 309 A1

(12)

(43) Date of publication:
09.10.2024 Bulletin 2024/41

(21) Application number: 21823184.3

(22) Date of filing: 01.12.2021
(51) International Patent Classification (IPC): 
E04C 5/16(2006.01)
(52) Cooperative Patent Classification (CPC):
E04C 5/165; E04C 5/166
(86) International application number:
PCT/EG2021/000039
(87) International publication number:
WO 2023/098965 (08.06.2023 Gazette 2023/23)
(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) Applicants:
  • Al-Tuhami, Al-Tuhami Abuzeid
    Qaliobia (EG)
  • Al-Tuhami, Ahmed yaseen Al-Tuhami Abuzeid
    Obour City, Qaliobia (EG)

(72) Inventors:
  • Al-Tuhami, Al-Tuhami Abuzeid
    Qaliobia (EG)
  • Al-Tuhami, Ahmed yaseen Al-Tuhami Abuzeid
    Obour City, Qaliobia (EG)

(74) Representative: Ter Meer Steinmeister & Partner 
Patentanwälte mbB Nymphenburger Straße 4
80335 München
80335 München (DE)

   


(54) REINFORCING BAR COUPLER BASED ON DOUBLE ACTION OF SCREW ELEMENTS