Injecting device, drill rig and method of rock bolting
US9157321B2 · kind B2 · utility
2Cited by
9References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 8, 2009 |
| Grant date | Oct 13, 2015 |
| Priority date | — |
| Expiry date | May 6, 2030 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21D20/028
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The invention comprises an injection device (6), for injecting fixing material in a drill hole (13) during rock bolting, comprising a hose system (12) and a feed unit (15). The hose system (12) comprises an injection pipe (10), the injection device further comprises a positioning means (33) adapted to adjust the position of the injection pipe (10) in relation to the drill hole (13) and the feed unit (15) comprises means (31, 32) adapted to drive the hose system (12) such that the injection pipe (10) enters the drill hole (13) for supplying fixing material into the hole (13) during operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.