GB1090247A - Improvements in or relating to mine roof supporting devices - Google Patents
Improvements in or relating to mine roof supporting devicesInfo
- Publication number
- GB1090247A GB1090247A GB2352265A GB2352265A GB1090247A GB 1090247 A GB1090247 A GB 1090247A GB 2352265 A GB2352265 A GB 2352265A GB 2352265 A GB2352265 A GB 2352265A GB 1090247 A GB1090247 A GB 1090247A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mine roof
- relating
- supporting devices
- roof supporting
- jack
- 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
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
- E21D23/0418—Positioning devices and stabilizing means for the props
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
1,090,247. Advancing mine roof supports. BONSER ENGINEERING Ltd. May 20, 1966 [June 2, 1965], No. 23522/65. Heading E1E. In an advancing mine roof support assembly comprising a frame 1, 2, 3, 4, 8 16 adapted to be advanced by a jack 7 connected to a conveyor 10, the jack is also connected by a link 5 to one of the props-such as 3-in order to displace the assembly from the vertical on retraction of the jack 7.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2352265A GB1090247A (en) | 1965-06-02 | 1965-06-02 | Improvements in or relating to mine roof supporting devices |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2352265A GB1090247A (en) | 1965-06-02 | 1965-06-02 | Improvements in or relating to mine roof supporting devices |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1090247A true GB1090247A (en) | 1967-11-08 |
Family
ID=10196997
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2352265A Expired GB1090247A (en) | 1965-06-02 | 1965-06-02 | Improvements in or relating to mine roof supporting devices |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1090247A (en) |
-
1965
- 1965-06-02 GB GB2352265A patent/GB1090247A/en not_active Expired
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