GB1039314A - A walking roof support system for longwall workings in coal mines - Google Patents
A walking roof support system for longwall workings in coal minesInfo
- Publication number
- GB1039314A GB1039314A GB1198864A GB1198864A GB1039314A GB 1039314 A GB1039314 A GB 1039314A GB 1198864 A GB1198864 A GB 1198864A GB 1198864 A GB1198864 A GB 1198864A GB 1039314 A GB1039314 A GB 1039314A
- Authority
- GB
- United Kingdom
- Prior art keywords
- control unit
- hydraulic
- assembly
- roof support
- 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
- 239000003245 coal Substances 0.000 title 1
- 230000003245 working effect Effects 0.000 title 1
- 101100521345 Mus musculus Prop1 gene Proteins 0.000 abstract 1
- 108700017836 Prophet of Pit-1 Proteins 0.000 abstract 1
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
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
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
- E21D23/26—Hydraulic or pneumatic control
-
- 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
-
- 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
- E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices
- E21D23/0073—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices 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)
- Excavating Of Shafts Or Tunnels (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEG0037332 | 1963-03-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1039314A true GB1039314A (en) | 1966-08-17 |
Family
ID=7125611
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1198864A Expired GB1039314A (en) | 1963-03-22 | 1964-03-20 | A walking roof support system for longwall workings in coal mines |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE645521A (pl) |
GB (1) | GB1039314A (pl) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2450942A1 (fr) * | 1979-03-08 | 1980-10-03 | Gewerk Eisenhuette Westfalia | Dispositif pour le raccordement d'un soutenement marchant hydraulique au systeme d'alimentation d'une exploitation miniere au fond |
GB2164987A (en) * | 1984-09-26 | 1986-04-03 | Dowty Mining Equipment Ltd | Mine roof supports |
-
1964
- 1964-03-20 GB GB1198864A patent/GB1039314A/en not_active Expired
- 1964-03-20 BE BE645521D patent/BE645521A/xx unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2450942A1 (fr) * | 1979-03-08 | 1980-10-03 | Gewerk Eisenhuette Westfalia | Dispositif pour le raccordement d'un soutenement marchant hydraulique au systeme d'alimentation d'une exploitation miniere au fond |
GB2164987A (en) * | 1984-09-26 | 1986-04-03 | Dowty Mining Equipment Ltd | Mine roof supports |
Also Published As
Publication number | Publication date |
---|---|
BE645521A (pl) | 1964-07-16 |
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