GB2133825B - Roof support suitable for use in mines - Google Patents
Roof support suitable for use in minesInfo
- Publication number
- GB2133825B GB2133825B GB08301270A GB8301270A GB2133825B GB 2133825 B GB2133825 B GB 2133825B GB 08301270 A GB08301270 A GB 08301270A GB 8301270 A GB8301270 A GB 8301270A GB 2133825 B GB2133825 B GB 2133825B
- Authority
- GB
- United Kingdom
- Prior art keywords
- mines
- roof support
- support suitable
- roof
- support
- 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
- E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Tents Or Canopies (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08301270A GB2133825B (en) | 1983-01-18 | 1983-01-18 | Roof support suitable for use in mines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08301270A GB2133825B (en) | 1983-01-18 | 1983-01-18 | Roof support suitable for use in mines |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8301270D0 GB8301270D0 (en) | 1983-02-16 |
GB2133825A GB2133825A (en) | 1984-08-01 |
GB2133825B true GB2133825B (en) | 1986-04-09 |
Family
ID=10536477
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08301270A Expired GB2133825B (en) | 1983-01-18 | 1983-01-18 | Roof support suitable for use in mines |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2133825B (en) |
-
1983
- 1983-01-18 GB GB08301270A patent/GB2133825B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB8301270D0 (en) | 1983-02-16 |
GB2133825A (en) | 1984-08-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19940118 |