FR2282529B3 - - Google Patents
Info
- Publication number
- FR2282529B3 FR2282529B3 FR7521042A FR7521042A FR2282529B3 FR 2282529 B3 FR2282529 B3 FR 2282529B3 FR 7521042 A FR7521042 A FR 7521042A FR 7521042 A FR7521042 A FR 7521042A FR 2282529 B3 FR2282529 B3 FR 2282529B3
- 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
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
- E21D23/26—Hydraulic or pneumatic control
-
- 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
- E21D23/12—Control, e.g. using remote control
- E21D23/14—Effecting automatic sequential movement of supports, e.g. one behind the other
- E21D23/148—Wireless transmission of signals or commands
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)
- Computer Networks & Wireless Communication (AREA)
- Fluid-Pressure Circuits (AREA)
- Lining And Supports For Tunnels (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB36490/74A GB1517711A (en) | 1974-08-20 | 1974-08-20 | Self-advancing mine roof supports |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2282529A1 FR2282529A1 (fr) | 1976-03-19 |
| FR2282529B3 true FR2282529B3 (he) | 1979-03-16 |
Family
ID=10388642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7521042A Granted FR2282529A1 (fr) | 1974-08-20 | 1975-07-04 | Moyens de commande perfectionnes pour soutenements marchants de toit de mine |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5135601A (he) |
| DE (1) | DE2507106B2 (he) |
| FR (1) | FR2282529A1 (he) |
| GB (1) | GB1517711A (he) |
| ZA (1) | ZA754137B (he) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2640185C3 (de) * | 1976-09-07 | 1986-07-10 | Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal | Mehrfachsteuergerät für hydraulischen Schreitausbau |
| DE2700829C2 (de) * | 1977-01-11 | 1986-04-17 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Hydraulische Ausbausteuerung |
| PL118233B1 (en) * | 1978-04-14 | 1981-09-30 | Centralny Osrodek Projektowo Kon | Apparatus for winning thick deposits of useful minerals skopaemogo |
| GB2095425B (en) * | 1981-02-25 | 1984-06-27 | Dobson Park Ind | Mine roof support control systems |
| DE3334607C1 (de) * | 1983-09-24 | 1984-05-10 | Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal | Signalgeber für Steuersignale zur Steuerung eines hydraulischen Schreitausbaus |
| DE3608181C2 (de) * | 1986-03-12 | 1995-01-05 | Westfalia Becorit Ind Tech | Versorgungsblock für den Anschluß hydraulischer Ausbaugestelle an die Versorgungsleitungen eines zentralen hydraulischen Versorgungssystems |
| DE3700470A1 (de) * | 1987-01-09 | 1988-07-21 | Bochumer Eisen Heintzmann | Hydraulische fernbetaetigung |
-
1974
- 1974-08-20 GB GB36490/74A patent/GB1517711A/en not_active Expired
-
1975
- 1975-02-19 DE DE19752507106 patent/DE2507106B2/de not_active Ceased
- 1975-06-27 ZA ZA00754137A patent/ZA754137B/xx unknown
- 1975-07-04 FR FR7521042A patent/FR2282529A1/fr active Granted
- 1975-07-21 JP JP50088462A patent/JPS5135601A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| ZA754137B (en) | 1976-06-30 |
| GB1517711A (en) | 1978-07-12 |
| FR2282529A1 (fr) | 1976-03-19 |
| JPS5135601A (he) | 1976-03-26 |
| AU8305175A (en) | 1977-01-20 |
| DE2507106A1 (de) | 1976-03-04 |
| DE2507106B2 (de) | 1977-02-24 |