FR2482188B1 - - Google Patents
Info
- Publication number
- FR2482188B1 FR2482188B1 FR8109208A FR8109208A FR2482188B1 FR 2482188 B1 FR2482188 B1 FR 2482188B1 FR 8109208 A FR8109208 A FR 8109208A FR 8109208 A FR8109208 A FR 8109208A FR 2482188 B1 FR2482188 B1 FR 2482188B1
- 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
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
-
- 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
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)
- Lining And Supports For Tunnels (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Earth Drilling (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19803017993 DE3017993A1 (en) | 1980-05-10 | 1980-05-10 | ELECTRIC HYDRAULIC EXTENSION CONTROL FOR UNDERGROUND MINING COMPANIES |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2482188A1 FR2482188A1 (en) | 1981-11-13 |
FR2482188B1 true FR2482188B1 (en) | 1984-03-09 |
Family
ID=6102105
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8109208A Granted FR2482188A1 (en) | 1980-05-10 | 1981-05-08 | ELECTRO-HYDRAULIC CONDUIT CONTROL FOR UNDERGROUND MINING |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS576099A (en) |
AU (1) | AU7026281A (en) |
DE (1) | DE3017993A1 (en) |
FR (1) | FR2482188A1 (en) |
GB (1) | GB2077339B (en) |
ZA (1) | ZA813112B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD299446A5 (en) * | 1989-05-11 | 1992-04-16 | ��������@��@����������@��@��@����������@���������k�� | MOBILE REMOVAL CHAMBER DEVICE |
DE19528644A1 (en) * | 1995-08-04 | 1997-02-06 | Ruhrkohle Ag | Coal face equipment with extraction control - has series of integrated modules housed in capsules secure against fire damp |
DE102004036163B4 (en) * | 2004-07-26 | 2016-03-17 | Caterpillar Global Mining Europe Gmbh | Control device for electrohydraulic construction controls |
CN101012727B (en) * | 2006-12-30 | 2012-12-05 | 同济大学 | Flooding-proof closing partition device of underground structural engineering |
CN101892856B (en) * | 2010-07-03 | 2012-07-25 | 霍州煤电集团有限责任公司 | Special hydraulic support for underground filling coal mining of coal mine |
MX345101B (en) * | 2012-04-26 | 2017-01-16 | Joy Mm Delaware Inc | Controlled area lighting for mining environments. |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB961226A (en) * | 1961-06-19 | 1964-06-17 | Electro Hydraulics Ltd | Monitoring system for power operated roof supports |
GB981624A (en) * | 1962-04-17 | 1965-01-27 | Dowty Technical Dev Ltd | Mining apparatus |
GB1100464A (en) * | 1964-05-04 | 1968-01-24 | Emi Ltd | Improvements in and relating to control arrangements |
GB1069769A (en) * | 1964-12-07 | 1967-05-24 | Dowty Mining Equipment Ltd | Mining apparatus |
-
1980
- 1980-05-10 DE DE19803017993 patent/DE3017993A1/en not_active Withdrawn
-
1981
- 1981-04-30 JP JP6434181A patent/JPS576099A/en active Pending
- 1981-05-08 GB GB8114131A patent/GB2077339B/en not_active Expired
- 1981-05-08 FR FR8109208A patent/FR2482188A1/en active Granted
- 1981-05-08 AU AU70262/81A patent/AU7026281A/en not_active Abandoned
- 1981-05-11 ZA ZA00813112A patent/ZA813112B/en unknown
Also Published As
Publication number | Publication date |
---|---|
GB2077339B (en) | 1983-09-07 |
ZA813112B (en) | 1982-05-26 |
GB2077339A (en) | 1981-12-16 |
FR2482188A1 (en) | 1981-11-13 |
DE3017993A1 (en) | 1981-11-12 |
AU7026281A (en) | 1981-11-19 |
JPS576099A (en) | 1982-01-12 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |