FR1272031A - Supporting device for inclined layers, particularly in mines - Google Patents
Supporting device for inclined layers, particularly in minesInfo
- Publication number
- FR1272031A FR1272031A FR831555A FR831555A FR1272031A FR 1272031 A FR1272031 A FR 1272031A FR 831555 A FR831555 A FR 831555A FR 831555 A FR831555 A FR 831555A FR 1272031 A FR1272031 A FR 1272031A
- Authority
- FR
- France
- Prior art keywords
- mines
- supporting device
- inclined layers
- layers
- supporting
- 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
- E21D23/0082—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor specially adapted for vertical or steep gradient seams
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/36—Linings or supports specially shaped for tunnels or galleries of irregular cross-section
- E21D11/367—Linings or supports specially shaped for tunnels or galleries of irregular cross-section for junction with the longwall coal face
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)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR831555A FR1272031A (en) | 1960-06-28 | 1960-06-28 | Supporting device for inclined layers, particularly in mines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR831555A FR1272031A (en) | 1960-06-28 | 1960-06-28 | Supporting device for inclined layers, particularly in mines |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1272031A true FR1272031A (en) | 1961-09-22 |
Family
ID=8734517
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR831555A Expired FR1272031A (en) | 1960-06-28 | 1960-06-28 | Supporting device for inclined layers, particularly in mines |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1272031A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4094154A (en) * | 1976-10-15 | 1978-06-13 | Bochumer Eisenhutte Heintzmann Gmbh & Co. | Roof prop apparatus and method for longwall mining |
FR2538852A1 (en) * | 1983-01-05 | 1984-07-06 | Gewerk Eisenhuette Westfalia | Device for working steep veins, particularly veins of coal |
-
1960
- 1960-06-28 FR FR831555A patent/FR1272031A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4094154A (en) * | 1976-10-15 | 1978-06-13 | Bochumer Eisenhutte Heintzmann Gmbh & Co. | Roof prop apparatus and method for longwall mining |
FR2538852A1 (en) * | 1983-01-05 | 1984-07-06 | Gewerk Eisenhuette Westfalia | Device for working steep veins, particularly veins of coal |
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