FR2202228B2 - - Google Patents
Info
- Publication number
- FR2202228B2 FR2202228B2 FR7332889A FR7332889A FR2202228B2 FR 2202228 B2 FR2202228 B2 FR 2202228B2 FR 7332889 A FR7332889 A FR 7332889A FR 7332889 A FR7332889 A FR 7332889A FR 2202228 B2 FR2202228 B2 FR 2202228B2
- Authority
- FR
- France
- 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
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
- E21F15/02—Supporting means, e.g. shuttering, for filling-up materials
- E21F15/04—Stowing mats; Goaf wire netting; Partition walls
-
- 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
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
- E21D23/0481—Supports specially adapted for use in combination with the placing of filling-up materials
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)
- Structural Engineering (AREA)
- Gasket Seals (AREA)
- Tents Or Canopies (AREA)
- Soil Working Implements (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722249155 DE2249155C3 (en) | 1972-10-06 | 1972-10-06 | Offset shielding for hydraulic support frames |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2202228A2 FR2202228A2 (en) | 1974-05-03 |
| FR2202228B2 true FR2202228B2 (en) | 1978-10-20 |
Family
ID=5858384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7332889A Expired FR2202228B2 (en) | 1972-10-06 | 1973-09-13 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2249155C3 (en) |
| FR (1) | FR2202228B2 (en) |
| GB (1) | GB1416488A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194081B (en) | 2015-06-24 | 2019-04-26 | 北京中矿创新联盟能源环境科学研究院 | Coal mining operation method |
-
1972
- 1972-10-06 DE DE19722249155 patent/DE2249155C3/en not_active Expired
-
1973
- 1973-09-13 FR FR7332889A patent/FR2202228B2/fr not_active Expired
- 1973-10-08 GB GB4682273A patent/GB1416488A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2202228A2 (en) | 1974-05-03 |
| GB1416488A (en) | 1975-12-03 |
| DE2249155A1 (en) | 1974-04-11 |
| DE2249155B2 (en) | 1974-10-17 |
| DE2249155C3 (en) | 1975-06-12 |