AU511334B2 - Longwall mining apparatus - Google Patents
Longwall mining apparatusInfo
- Publication number
- AU511334B2 AU511334B2 AU28934/77A AU2893477A AU511334B2 AU 511334 B2 AU511334 B2 AU 511334B2 AU 28934/77 A AU28934/77 A AU 28934/77A AU 2893477 A AU2893477 A AU 2893477A AU 511334 B2 AU511334 B2 AU 511334B2
- Authority
- AU
- Australia
- Prior art keywords
- mining apparatus
- longwall mining
- longwall
- mining
- 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
- 238000005065 mining 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
- E21D23/0004—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
- E21D23/0034—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 comprising a goaf shield articulated to a base member
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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU28934/77A AU511334B2 (en) | 1977-09-20 | 1977-09-20 | Longwall mining apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU28934/77A AU511334B2 (en) | 1977-09-20 | 1977-09-20 | Longwall mining apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
AU2893477A AU2893477A (en) | 1979-03-29 |
AU511334B2 true AU511334B2 (en) | 1980-08-14 |
Family
ID=3717071
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU28934/77A Expired AU511334B2 (en) | 1977-09-20 | 1977-09-20 | Longwall mining apparatus |
Country Status (1)
Country | Link |
---|---|
AU (1) | AU511334B2 (en) |
-
1977
- 1977-09-20 AU AU28934/77A patent/AU511334B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AU2893477A (en) | 1979-03-29 |
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