GB2041056B - Mine roof support - Google Patents
Mine roof supportInfo
- Publication number
- GB2041056B GB2041056B GB8001217A GB8001217A GB2041056B GB 2041056 B GB2041056 B GB 2041056B GB 8001217 A GB8001217 A GB 8001217A GB 8001217 A GB8001217 A GB 8001217A GB 2041056 B GB2041056 B GB 2041056B
- 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
- E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
- E21D23/0017—Pile type supports
- E21D23/0021—Pile type supports comprising two walking elements
-
- 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
- E21D23/08—Advancing mechanisms
- E21D23/081—Advancing mechanisms forming parts of the roof supports
- E21D23/085—Advancing mechanisms forming parts of the roof supports acting on a conveyor or a guide for the mining machine
- E21D23/086—Details of fixing devices therefor
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)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8001217A GB2041056B (en) | 1979-02-03 | 1980-01-14 | Mine roof support |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7903868 | 1979-02-03 | ||
GB8001217A GB2041056B (en) | 1979-02-03 | 1980-01-14 | Mine roof support |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2041056A GB2041056A (en) | 1980-09-03 |
GB2041056B true GB2041056B (en) | 1983-05-05 |
Family
ID=26270450
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8001217A Expired GB2041056B (en) | 1979-02-03 | 1980-01-14 | Mine roof support |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2041056B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2123469A (en) * | 1982-07-08 | 1984-02-01 | G Pk Exi Ugolnogo Mash | Mine roof support unit |
FR2583816B1 (en) * | 1985-06-20 | 1987-08-21 | Bennes Marrel | DEVICE FOR LAUNCHING WALKING SUPPORT PILES USED IN MINES |
HU194596B (en) * | 1985-08-22 | 1988-02-29 | Oroszlanyi Szenbanyak | Supporting unit at underground widework for mechanized supporting equipment |
DD299446A5 (en) * | 1989-05-11 | 1992-04-16 | ��������@��@����������@��@��@����������@���������k�� | MOBILE REMOVAL CHAMBER DEVICE |
-
1980
- 1980-01-14 GB GB8001217A patent/GB2041056B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2041056A (en) | 1980-09-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |