Resin injection apparatus for drilling apparatus for installing a ground anchor
US9175561B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Jun 12, 2012 |
| Grant date | Nov 3, 2015 |
| Priority date | — |
| Expiry date | Jul 31, 2032 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21D20/025
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A resin injection apparatus 19 for use in connection with a drilling apparatus 10 for installing ground anchors. The resin injection apparatus 19 comprises a resin injector adaptor 20, adapted to be connected in fluid communication with a hollow drill shaft 21 of a drill rig 10. The resin injector adaptor 20 can be used to inject one or more resin fluids into the drill shaft 21 wherein, in use, when a hole has been drilled in a rock stratum, resin can be injected into the hole via the drill shaft prior to inserting a ground anchor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.