FR1296996A - Hydraulic support device, more especially for underground mining works - Google Patents
Hydraulic support device, more especially for underground mining worksInfo
- Publication number
- FR1296996A FR1296996A FR870245A FR870245A FR1296996A FR 1296996 A FR1296996 A FR 1296996A FR 870245 A FR870245 A FR 870245A FR 870245 A FR870245 A FR 870245A FR 1296996 A FR1296996 A FR 1296996A
- Authority
- FR
- France
- Prior art keywords
- support device
- hydraulic support
- underground mining
- mining works
- works
- 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
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/48—Chocks or the like
- E21D15/486—Chocks or the like with essential hydraulic or pneumatic details
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (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 |
---|---|---|---|
FR870245A FR1296996A (en) | 1961-08-07 | 1961-08-07 | Hydraulic support device, more especially for underground mining works |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR870245A FR1296996A (en) | 1961-08-07 | 1961-08-07 | Hydraulic support device, more especially for underground mining works |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1296996A true FR1296996A (en) | 1962-06-22 |
Family
ID=8760875
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR870245A Expired FR1296996A (en) | 1961-08-07 | 1961-08-07 | Hydraulic support device, more especially for underground mining works |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1296996A (en) |
-
1961
- 1961-08-07 FR FR870245A patent/FR1296996A/en not_active Expired
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