FR2280788B3 - - Google Patents
Info
- Publication number
- FR2280788B3 FR2280788B3 FR7522524A FR7522524A FR2280788B3 FR 2280788 B3 FR2280788 B3 FR 2280788B3 FR 7522524 A FR7522524 A FR 7522524A FR 7522524 A FR7522524 A FR 7522524A FR 2280788 B3 FR2280788 B3 FR 2280788B3
- 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
- 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
- E21D23/0086—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor in galleries
- E21D23/0095—Temporary supports at the driving front
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)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742436807 DE2436807C3 (de) | 1974-07-31 | Vorläufiger Streckenausbau |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2280788A1 FR2280788A1 (fr) | 1976-02-27 |
| FR2280788B3 true FR2280788B3 (oth) | 1979-04-27 |
Family
ID=5922001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7522524A Granted FR2280788A1 (fr) | 1974-07-31 | 1975-07-18 | Soutenement provisoire |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR2280788A1 (oth) |
| GB (1) | GB1488057A (oth) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2365690A1 (fr) * | 1976-09-17 | 1978-04-21 | Salzgitter Maschinen Ag | Soutenement marchant, notamment provisoire, utilise pour le creusement de galeries minieres et de tunnels |
| DE2901054A1 (de) * | 1979-01-12 | 1980-07-17 | Salzgitter Maschinen Ag | Vorlaeufiger streckenausbau fuer durchbaubetriebe in strecken des untertaegigen bergbaus |
| CN109113772B (zh) * | 2018-10-31 | 2024-03-29 | 河南理工大学 | 一种大循环巷道掘进临时支护装置及其方法 |
| CN110645034A (zh) * | 2019-10-29 | 2020-01-03 | 辽宁工程技术大学 | 一种滑移式柔性超前支护机构及方法 |
| CN110925006B (zh) * | 2019-12-31 | 2025-03-11 | 安徽省矿业机电装备有限责任公司 | 巷道掘进支架的护帮机构 |
| CN117211843B (zh) * | 2023-11-09 | 2024-02-02 | 焦作煤业集团赵固（新乡）能源有限责任公司 | 一种煤矿顶板支护装置 |
| CN120211789B (zh) * | 2025-05-28 | 2025-07-29 | 中铁京诚工程检测有限公司 | 一种不良地质隧道护盾式盾构机及其支护方法 |
-
1975
- 1975-07-18 FR FR7522524A patent/FR2280788A1/fr active Granted
- 1975-07-25 GB GB3116675A patent/GB1488057A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2436807B2 (de) | 1976-12-23 |
| DE2436807A1 (de) | 1976-02-12 |
| FR2280788A1 (fr) | 1976-02-27 |
| GB1488057A (en) | 1977-10-05 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |