FR1287138A - Movable support for mine galleries - Google Patents
Movable support for mine galleriesInfo
- Publication number
- FR1287138A FR1287138A FR859359A FR859359A FR1287138A FR 1287138 A FR1287138 A FR 1287138A FR 859359 A FR859359 A FR 859359A FR 859359 A FR859359 A FR 859359A FR 1287138 A FR1287138 A FR 1287138A
- Authority
- FR
- France
- Prior art keywords
- movable support
- mine galleries
- galleries
- mine
- movable
- 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
- E21D23/006—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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR859359A FR1287138A (en) | 1961-04-20 | 1961-04-20 | Movable support for mine galleries |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR859359A FR1287138A (en) | 1961-04-20 | 1961-04-20 | Movable support for mine galleries |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1287138A true FR1287138A (en) | 1962-03-09 |
Family
ID=8753482
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR859359A Expired FR1287138A (en) | 1961-04-20 | 1961-04-20 | Movable support for mine galleries |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1287138A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3313114A (en) * | 1963-02-09 | 1967-04-11 | Bergbaustahl Gmbh & Co | Mine roof supporting method |
-
1961
- 1961-04-20 FR FR859359A patent/FR1287138A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3313114A (en) * | 1963-02-09 | 1967-04-11 | Bergbaustahl Gmbh & Co | Mine roof supporting method |
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