FR2180690A1 - - Google Patents
Info
- Publication number
- FR2180690A1 FR2180690A1 FR7310275A FR7310275A FR2180690A1 FR 2180690 A1 FR2180690 A1 FR 2180690A1 FR 7310275 A FR7310275 A FR 7310275A FR 7310275 A FR7310275 A FR 7310275A FR 2180690 A1 FR2180690 A1 FR 2180690A1
- 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.)
- Granted
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
- E21D23/0056—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with individual advancing shifting 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)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Lining And Supports For Tunnels (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1805472A GB1425557A (en) | 1972-04-19 | 1972-04-19 | Device for displacing a roof support in a mine driftway |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2180690A1 true FR2180690A1 (ru) | 1973-11-30 |
| FR2180690B1 FR2180690B1 (ru) | 1976-09-10 |
Family
ID=10105846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7310275A Expired FR2180690B1 (ru) | 1972-04-19 | 1973-03-22 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2319844A1 (ru) |
| FR (1) | FR2180690B1 (ru) |
| GB (1) | GB1425557A (ru) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524466B (zh) * | 2017-09-30 | 2024-03-29 | 辽宁鑫丰矿业（集团）有限公司 | 超前支护系统 |
| CN108928780B (zh) * | 2018-10-12 | 2023-08-22 | 辽宁威跃集团机械制造有限公司 | 煤矿液压支架分解回收系统 |
| CN109915191B (zh) * | 2019-04-19 | 2024-02-23 | 安徽省矿业机电装备有限责任公司 | 一种巷道支架可调行程平移结构及使用方法 |
| CN113653523B (zh) * | 2021-09-22 | 2023-09-12 | 中国煤炭科工集团太原研究院有限公司 | 液压支架快速回撤的三角区宽型临时支护装置及支护方法 |
| CN114352337B (zh) * | 2021-12-09 | 2024-03-08 | 中煤科工开采研究院有限公司 | 一种井下超前支护装置的自动控制方法 |
| CN116006232B (zh) * | 2022-09-26 | 2023-08-15 | 云南滇东雨汪能源有限公司 | 一种综采支架调移组件及应用设备 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1115819A (fr) * | 1954-12-08 | 1956-04-30 | Equip Minier L | Dispositif et méthodes de soutènement |
| FR1264673A (fr) * | 1960-05-14 | 1961-06-23 | Bwg Bergwerk Walzwerk | Cadre de soutènement mobile, pour le fond des mines |
-
1972
- 1972-04-19 GB GB1805472A patent/GB1425557A/en not_active Expired
-
1973
- 1973-03-22 FR FR7310275A patent/FR2180690B1/fr not_active Expired
- 1973-04-18 DE DE19732319844 patent/DE2319844A1/de active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1115819A (fr) * | 1954-12-08 | 1956-04-30 | Equip Minier L | Dispositif et méthodes de soutènement |
| FR1264673A (fr) * | 1960-05-14 | 1961-06-23 | Bwg Bergwerk Walzwerk | Cadre de soutènement mobile, pour le fond des mines |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1425557A (en) | 1976-02-18 |
| DE2319844A1 (de) | 1973-10-31 |
| FR2180690B1 (ru) | 1976-09-10 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |