GB1125174A - Mine roof support assemblies - Google Patents
Mine roof support assembliesInfo
- Publication number
- GB1125174A GB1125174A GB367966A GB367966A GB1125174A GB 1125174 A GB1125174 A GB 1125174A GB 367966 A GB367966 A GB 367966A GB 367966 A GB367966 A GB 367966A GB 1125174 A GB1125174 A GB 1125174A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mine roof
- jacks
- roof support
- stirrups
- cylinders
- 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
- 230000004048 modification Effects 0.000 abstract 2
- 238000012986 modification Methods 0.000 abstract 2
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
- E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor 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)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEG0042776 | 1965-02-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1125174A true GB1125174A (en) | 1968-08-28 |
Family
ID=7127011
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB367966A Expired GB1125174A (en) | 1965-02-08 | 1966-01-27 | Mine roof support assemblies |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE676178A (US07922777-20110412-C00004.png) |
GB (1) | GB1125174A (US07922777-20110412-C00004.png) |
NL (1) | NL6601388A (US07922777-20110412-C00004.png) |
-
1966
- 1966-01-27 GB GB367966A patent/GB1125174A/en not_active Expired
- 1966-02-03 NL NL6601388A patent/NL6601388A/xx unknown
- 1966-02-08 BE BE676178D patent/BE676178A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
BE676178A (US07922777-20110412-C00004.png) | 1966-08-08 |
NL6601388A (US07922777-20110412-C00004.png) | 1966-08-09 |
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