GB2048352B - Mine roof support - Google Patents
Mine roof supportInfo
- Publication number
- GB2048352B GB2048352B GB7915735A GB7915735A GB2048352B GB 2048352 B GB2048352 B GB 2048352B GB 7915735 A GB7915735 A GB 7915735A GB 7915735 A GB7915735 A GB 7915735A GB 2048352 B GB2048352 B GB 2048352B
- Authority
- GB
- United Kingdom
- Prior art keywords
- roof support
- mine roof
- mine
- support
- 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
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
- E21D23/03—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor having protective means, e.g. shields, for preventing or impeding entry of loose material into the working space or support
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)
- Tents Or Canopies (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7915735A GB2048352B (en) | 1979-05-05 | 1979-05-05 | Mine roof support |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7915735A GB2048352B (en) | 1979-05-05 | 1979-05-05 | Mine roof support |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2048352A GB2048352A (en) | 1980-12-10 |
GB2048352B true GB2048352B (en) | 1982-12-22 |
Family
ID=10504984
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7915735A Expired GB2048352B (en) | 1979-05-05 | 1979-05-05 | Mine roof support |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2048352B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3643120A1 (en) * | 1986-01-22 | 1987-07-30 | Voest Alpine Ag | MOVABLE RACK |
EP0795680B1 (en) * | 1996-03-11 | 2003-09-03 | Council of Scientific and Industrial Research | Shortwall mining equipment for extraction of pillars in underground coal mines |
-
1979
- 1979-05-05 GB GB7915735A patent/GB2048352B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2048352A (en) | 1980-12-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |