BE658326A - - Google Patents
Info
- Publication number
- BE658326A BE658326A BE658326DA BE658326A BE 658326 A BE658326 A BE 658326A BE 658326D A BE658326D A BE 658326DA BE 658326 A BE658326 A BE 658326A
- Authority
- BE
- Belgium
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
-
- 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
-
- 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
- E21D23/144—Measuring the advance of support units with respect to internal points of reference, e.g. with respect to neighboring support units or extension of a cylinder
-
- 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)
- Actuator (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2312/64A GB1082663A (en) | 1964-01-18 | 1964-01-18 | Improvements relating to control means of mine roof supports |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE658326A true BE658326A (US20030199744A1-20031023-C00003.png) | 1965-04-30 |
Family
ID=9737334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE658326D BE658326A (US20030199744A1-20031023-C00003.png) | 1964-01-18 | 1965-01-15 |
Country Status (4)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217068A (zh) * | 2021-04-28 | 2021-08-06 | 太原理工大学 | 一种工作面的检测装置、方法、终端及存储介质 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE922583C (de) * | 1942-12-13 | 1955-01-20 | Gerhard Werner | Verfahren und Vorrichtung zum Verlegen von Strebfoerdermitteln und/oder Strebausbauteilen |
| DE938003C (de) * | 1951-09-12 | 1956-01-19 | Eugen Muething | Setzvorrichtung fuer mehrteilige Grubenstempel |
| FR1307469A (fr) * | 1961-12-01 | 1962-10-26 | Dobson Ltd W E & F | Amplificateur de pression hydraulique, applicable ou incorporable à un disnositif de support de plafond de mines |
-
1964
- 1964-01-18 GB GB2312/64A patent/GB1082663A/en not_active Expired
-
1965
- 1965-01-14 DE DED46240A patent/DE1245293B/de active Pending
- 1965-01-15 BE BE658326D patent/BE658326A/xx unknown
- 1965-01-18 FR FR2271A patent/FR1421042A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1082663A (en) | 1967-09-06 |
| FR1421042A (fr) | 1965-12-10 |
| DE1245293B (de) | 1967-07-27 |
