(19)
(11) EP 4 573 270 A1

(12)

(43) Date of publication:
25.06.2025 Bulletin 2025/26

(21) Application number: 23764814.2

(22) Date of filing: 01.08.2023
(51) International Patent Classification (IPC): 
E21D 21/00(2006.01)
(52) Cooperative Patent Classification (CPC):
E21D 21/006; E21D 21/008; E21D 21/0006
(86) International application number:
PCT/ZA2023/050044
(87) International publication number:
WO 2024/044795 (29.02.2024 Gazette 2024/09)
(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
KH MA MD TN

(30) Priority: 20.08.2022 ZA 202208058

(71) Applicant: Innovative Mining Products (Pty) Ltd
1451 Johannesburg (ZA)

(72) Inventor:
  • KNOX, Greig
    1451 Johannesburg (ZA)

(74) Representative: Wittop Koning, Tom Hugo 
Biopatents IP Consultancy Dagpauwooglaan 1
5691NW Son en Breugel
5691NW Son en Breugel (NL)

   


(54) THREADED ROCK BOLT AND NUT ASSEMBLY WITH ASYMMETRIC THREAD