GB2077832B - Mine roof support with advancing mechanism - Google Patents
Mine roof support with advancing mechanismInfo
- Publication number
- GB2077832B GB2077832B GB8117318A GB8117318A GB2077832B GB 2077832 B GB2077832 B GB 2077832B GB 8117318 A GB8117318 A GB 8117318A GB 8117318 A GB8117318 A GB 8117318A GB 2077832 B GB2077832 B GB 2077832B
- Authority
- GB
- United Kingdom
- Prior art keywords
- roof support
- advancing mechanism
- mine roof
- mine
- advancing
- 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
- E21D23/08—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
-
- 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
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)
- Auxiliary Methods And Devices For Loading And Unloading (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8117318A GB2077832B (en) | 1980-06-06 | 1981-06-05 | Mine roof support with advancing mechanism |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8018688 | 1980-06-06 | ||
GB8117318A GB2077832B (en) | 1980-06-06 | 1981-06-05 | Mine roof support with advancing mechanism |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2077832A GB2077832A (en) | 1981-12-23 |
GB2077832B true GB2077832B (en) | 1983-09-28 |
Family
ID=26275758
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8117318A Expired GB2077832B (en) | 1980-06-06 | 1981-06-05 | Mine roof support with advancing mechanism |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2077832B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
GB2236136B (en) * | 1989-09-21 | 1993-05-26 | Dowty Mining Equipment Ltd | A mine roof support assembly |
CN107676117A (en) * | 2017-09-22 | 2018-02-09 | 鸿大智能机械有限公司 | Hydraulic control one-way valve |
-
1981
- 1981-06-05 GB GB8117318A patent/GB2077832B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2077832A (en) | 1981-12-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |