FR2200437B1 - - Google Patents
Info
- Publication number
- FR2200437B1 FR2200437B1 FR7304264A FR7304264A FR2200437B1 FR 2200437 B1 FR2200437 B1 FR 2200437B1 FR 7304264 A FR7304264 A FR 7304264A FR 7304264 A FR7304264 A FR 7304264A FR 2200437 B1 FR2200437 B1 FR 2200437B1
- 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
- E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic 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)
- Fluid-Pressure Circuits (AREA)
- Lifting Devices For Agricultural Implements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE7233815 | 1972-09-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2200437A1 FR2200437A1 (cg-RX-API-DMAC7.html) | 1974-04-19 |
| FR2200437B1 true FR2200437B1 (cg-RX-API-DMAC7.html) | 1982-07-30 |
Family
ID=6632663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7304264A Expired FR2200437B1 (cg-RX-API-DMAC7.html) | 1972-09-14 | 1973-02-07 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3889481A (cg-RX-API-DMAC7.html) |
| BE (1) | BE795481A (cg-RX-API-DMAC7.html) |
| FR (1) | FR2200437B1 (cg-RX-API-DMAC7.html) |
| GB (1) | GB1437449A (cg-RX-API-DMAC7.html) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2700829C2 (de) * | 1977-01-11 | 1986-04-17 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Hydraulische Ausbausteuerung |
| US4483644A (en) * | 1982-09-15 | 1984-11-20 | Johnson Thomas P | Cantilevered mobile marine rig with hydraulic load equalizer |
| CN102661161B (zh) * | 2012-04-10 | 2014-04-16 | 重庆友诚自动化工程技术有限公司 | 用于矿用液压支架控制器的编址系统及其编址方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1087098B (de) * | 1956-01-27 | 1960-08-18 | Gewerk Eisenhuette Westfalia | Schreitender Ausbau fuer bergmaennische Gewinnungsbetriebe |
| US3143862A (en) * | 1958-08-11 | 1964-08-11 | Dobson Ltd W E & F | Support of roofs in mines |
| US3295331A (en) * | 1963-04-05 | 1967-01-03 | Gewerk Eisenhuette Westfalia | Movable mining support |
| GB1228381A (cg-RX-API-DMAC7.html) * | 1967-11-08 | 1971-04-15 |
-
0
- BE BE795481D patent/BE795481A/xx not_active IP Right Cessation
-
1973
- 1973-02-07 FR FR7304264A patent/FR2200437B1/fr not_active Expired
- 1973-09-11 US US396262A patent/US3889481A/en not_active Expired - Lifetime
- 1973-09-12 GB GB4289273A patent/GB1437449A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AU6004873A (en) | 1975-03-06 |
| GB1437449A (en) | 1976-05-26 |
| US3889481A (en) | 1975-06-17 |
| BE795481A (fr) | 1973-05-29 |
| FR2200437A1 (cg-RX-API-DMAC7.html) | 1974-04-19 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |