CA1294157C - Boulon a douille en fibre de verre pour toit de mine - Google Patents
Boulon a douille en fibre de verre pour toit de mineInfo
- Publication number
- CA1294157C CA1294157C CA000549972A CA549972A CA1294157C CA 1294157 C CA1294157 C CA 1294157C CA 000549972 A CA000549972 A CA 000549972A CA 549972 A CA549972 A CA 549972A CA 1294157 C CA1294157 C CA 1294157C
- Authority
- CA
- Canada
- Prior art keywords
- hollow
- collar
- rod
- bolt
- roof
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Piles And Underground Anchors (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US93958186A | 1986-12-09 | 1986-12-09 | |
US939,581 | 1986-12-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1294157C true CA1294157C (fr) | 1992-01-14 |
Family
ID=25473406
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000549972A Expired - Fee Related CA1294157C (fr) | 1986-12-09 | 1987-10-22 | Boulon a douille en fibre de verre pour toit de mine |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA1294157C (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2018101679B4 (en) * | 2017-12-14 | 2019-06-13 | DSI Underground Australia Pty Limited | Rock bolt assembly |
CN111075487A (zh) * | 2019-12-31 | 2020-04-28 | 西南石油大学 | 具有测定围岩应变与温度耦合功能的锚杆 |
-
1987
- 1987-10-22 CA CA000549972A patent/CA1294157C/fr not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2018101679B4 (en) * | 2017-12-14 | 2019-06-13 | DSI Underground Australia Pty Limited | Rock bolt assembly |
CN111075487A (zh) * | 2019-12-31 | 2020-04-28 | 西南石油大学 | 具有测定围岩应变与温度耦合功能的锚杆 |
CN111075487B (zh) * | 2019-12-31 | 2024-05-24 | 西南石油大学 | 具有测定围岩应变与温度耦合功能的锚杆 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKLA | Lapsed |