Corrosion resistant yieldable bolt
US10941657B2 · kind B2 · utility
0Cited by
10References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 10, 2017 |
| Grant date | Mar 9, 2021 |
| Priority date | — |
| Expiry date | Sep 7, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC21D2221/01
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A mine bolt includes an elongated body having a first end and a second end positioned opposite the first end, with the elongated body having a first threaded section, a second threaded section, and a non-threaded section positioned between the first threaded section and the second threaded section. The non-threaded section is configured to yield under loading when the mine bolt is installed with grout in a bore hole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.