FR1406350A - Mobile support device for mines - Google Patents
Mobile support device for minesInfo
- Publication number
- FR1406350A FR1406350A FR986909A FR986909A FR1406350A FR 1406350 A FR1406350 A FR 1406350A FR 986909 A FR986909 A FR 986909A FR 986909 A FR986909 A FR 986909A FR 1406350 A FR1406350 A FR 1406350A
- Authority
- FR
- France
- Prior art keywords
- mines
- support device
- mobile support
- mobile
- support
- 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
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
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 |
|---|---|---|---|
| FR986909A FR1406350A (en) | 1963-09-03 | 1964-09-02 | Mobile support device for mines |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB34818/63A GB1046269A (en) | 1963-09-03 | 1963-09-03 | Advanceable roof support assembly |
| FR986909A FR1406350A (en) | 1963-09-03 | 1964-09-02 | Mobile support device for mines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1406350A true FR1406350A (en) | 1965-07-16 |
Family
ID=26209748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR986909A Expired FR1406350A (en) | 1963-09-03 | 1964-09-02 | Mobile support device for mines |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR1406350A (en) |
-
1964
- 1964-09-02 FR FR986909A patent/FR1406350A/en not_active Expired
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