FR2208045A1 - - Google Patents
Info
- Publication number
- FR2208045A1 FR2208045A1 FR7314144A FR7314144A FR2208045A1 FR 2208045 A1 FR2208045 A1 FR 2208045A1 FR 7314144 A FR7314144 A FR 7314144A FR 7314144 A FR7314144 A FR 7314144A FR 2208045 A1 FR2208045 A1 FR 2208045A1
- 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
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/08—Guiding the machine
- E21C35/12—Guiding the machine along a conveyor for the cut material
- E21C35/14—Equipment for pressing the conveyor towards the working face
-
- 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
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/08—Shifting conveyors or other transport devices from one location at the working face to another
- E21F13/086—Armoured conveyors 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)
- Mechanical Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
- Control Of Conveyors (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19722258423 DE2258423C3 (de) | 1972-11-29 | 1972-11-29 | Einrichtung zum Rücken der Führung einer Gewinnungsmaschine o.dgl. für Bergbau-Gewinnungsbetriebe, mit dosierter Beaufschlagung der Rückzylinder |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2208045A1 true FR2208045A1 (xx) | 1974-06-21 |
FR2208045B1 FR2208045B1 (xx) | 1977-02-11 |
Family
ID=5863023
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7314144A Expired FR2208045B1 (xx) | 1972-11-29 | 1973-04-18 |
Country Status (7)
Country | Link |
---|---|
BE (1) | BE801901A (xx) |
CS (1) | CS237305B2 (xx) |
DE (1) | DE2258423C3 (xx) |
FR (1) | FR2208045B1 (xx) |
GB (1) | GB1454530A (xx) |
PL (1) | PL91238B1 (xx) |
SU (1) | SU730314A3 (xx) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2502241A1 (fr) * | 1981-03-17 | 1982-09-24 | Gewerk Eisenhuette Westfalia | Commande de soutenement hydraulique, et notamment electro-hydraulique pour exploitations minieres souterraines |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2606394C2 (de) * | 1976-02-18 | 1984-12-20 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Hobelandrucksteuerung für eine Bergbau-Gewinnungsanlage |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1160451A (en) | 1966-02-22 | 1969-08-06 | Coal Industry Patents Ltd | Fixed Increment Advance of Face Conveyors |
DE1483957C3 (de) | 1966-06-18 | 1978-12-14 | Gewerkschaft Eisenhuette Westfalia, 4628 Altluenen | Rückeinrichtung für einen Strebförderer oder eine Führungsschiene mit daran geführter Gewinnungsmaschine |
DE2008287A1 (de) | 1970-02-23 | 1971-09-09 | Maschinenfabrik Gluckauf Günther Klerner, 4650 Gelsenkirchen | Ruckeinrichtung einschließlich Steuerung fur eine Kohlenhobelfuhrung |
-
1972
- 1972-11-29 DE DE19722258423 patent/DE2258423C3/de not_active Expired
-
1973
- 1973-04-18 FR FR7314144A patent/FR2208045B1/fr not_active Expired
- 1973-05-29 SU SU731922981A patent/SU730314A3/ru active
- 1973-05-29 CS CS733860A patent/CS237305B2/cs unknown
- 1973-07-04 BE BE133105A patent/BE801901A/xx not_active IP Right Cessation
- 1973-11-28 GB GB5514573A patent/GB1454530A/en not_active Expired
- 1973-11-29 PL PL16692273A patent/PL91238B1/pl unknown
Non-Patent Citations (1)
Title |
---|
NEANT * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2502241A1 (fr) * | 1981-03-17 | 1982-09-24 | Gewerk Eisenhuette Westfalia | Commande de soutenement hydraulique, et notamment electro-hydraulique pour exploitations minieres souterraines |
Also Published As
Publication number | Publication date |
---|---|
DE2258423B2 (de) | 1980-03-27 |
GB1454530A (en) | 1976-11-03 |
PL91238B1 (xx) | 1977-02-28 |
SU730314A3 (ru) | 1980-04-25 |
FR2208045B1 (xx) | 1977-02-11 |
BE801901A (fr) | 1973-11-05 |
CS386073A2 (en) | 1984-12-14 |
DE2258423C3 (de) | 1980-11-13 |
DE2258423A1 (de) | 1974-05-30 |
CS237305B2 (en) | 1985-07-16 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |