Pumpable resin system
US10669848B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 9, 2019 |
| Grant date | Jun 2, 2020 |
| Priority date | — |
| Expiry date | Jan 9, 2039 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21D21/008
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A rock bolt system includes a fitting including a main body defining a central opening configured to receive a rock bolt and a grout body defining a space between the main body and the grout body, with the main body defining a grout opening in fluid communication with the central opening. The main body is rotatable relative to the grout body, with the grout body defining a resin port and a catalyst port. The resin port and the catalyst port are in fluid communication with the space and the grout opening of the main body. The system further includes a rock bolt defining a central opening, with the central opening of the rock bolt configured to be in fluid communication with the central opening of the fitting when the rock bolt is secured to the fitting.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.