GB1388566A - Mine roof support assemblies - Google Patents
Mine roof support assembliesInfo
- Publication number
- GB1388566A GB1388566A GB1205472A GB1205472A GB1388566A GB 1388566 A GB1388566 A GB 1388566A GB 1205472 A GB1205472 A GB 1205472A GB 1205472 A GB1205472 A GB 1205472A GB 1388566 A GB1388566 A GB 1388566A
- Authority
- GB
- United Kingdom
- Prior art keywords
- roof support
- support assemblies
- mine roof
- mine
- assemblies
- 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
- 230000000712 assembly Effects 0.000 title 1
- 238000000429 assembly Methods 0.000 title 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
- E21D23/08—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
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/10—Anchorings for conveyors
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)
- Mechanical Engineering (AREA)
- Leg Units, Guards, And Driving Tracks Of Cranes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19712115014 DE2115014A1 (en) | 1971-03-27 | 1971-03-27 | Extension frame with three movable frames |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1388566A true GB1388566A (en) | 1975-03-26 |
Family
ID=5803025
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1205472A Expired GB1388566A (en) | 1971-03-27 | 1972-03-15 | Mine roof support assemblies |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2115014A1 (en) |
FR (1) | FR2131217A5 (en) |
GB (1) | GB1388566A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116950687A (en) * | 2023-09-20 | 2023-10-27 | 太原西北二环高速公路发展有限公司 | Tunnel supporting system penetrating through multilayer goaf and construction method thereof |
-
1971
- 1971-03-27 DE DE19712115014 patent/DE2115014A1/en active Pending
- 1971-09-27 FR FR7134600A patent/FR2131217A5/fr not_active Expired
-
1972
- 1972-03-15 GB GB1205472A patent/GB1388566A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116950687A (en) * | 2023-09-20 | 2023-10-27 | 太原西北二环高速公路发展有限公司 | Tunnel supporting system penetrating through multilayer goaf and construction method thereof |
CN116950687B (en) * | 2023-09-20 | 2023-12-01 | 太原西北二环高速公路发展有限公司 | Tunnel supporting system penetrating through multilayer goaf and construction method thereof |
Also Published As
Publication number | Publication date |
---|---|
DE2115014A1 (en) | 1972-10-12 |
FR2131217A5 (en) | 1972-11-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AU3777172A (en) | Tunnelling | |
CA995908A (en) | Mine roof supports | |
GB1385197A (en) | Tunnels | |
ZA75367B (en) | Mine roof support | |
GB1387311A (en) | Mine roof supports | |
ZA757612B (en) | Mine roof support | |
AU7990475A (en) | Mine support assemblies | |
GB1384054A (en) | Mine roof support | |
CA946633A (en) | Self propelled mine roof supports | |
GB1388566A (en) | Mine roof support assemblies | |
ZA734686B (en) | Mine roof supports | |
CA839498A (en) | Mine roof support assembly | |
ZA746078B (en) | Mine roof support | |
CA942959A (en) | Mine roof supports | |
GB1388842A (en) | Mine roof supports | |
CA936027A (en) | Mine roof bolt assembly | |
CA873649A (en) | Mine roof support | |
CA830734A (en) | Mine roof supports | |
AU2396170A (en) | Mine roof support means | |
CA864777A (en) | Advancing mine roof support | |
GB1388018A (en) | Roof construction | |
IL38863A0 (en) | Greenhouse roof | |
GB1404578A (en) | Tunnel burner | |
CA888477A (en) | Control of mine roof support assemblies | |
CA839497A (en) | Mine roof supports |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |