PL223756A3 - - Google Patents
Info
- Publication number
- PL223756A3 PL223756A3 PL22375680A PL22375680A PL223756A3 PL 223756 A3 PL223756 A3 PL 223756A3 PL 22375680 A PL22375680 A PL 22375680A PL 22375680 A PL22375680 A PL 22375680A PL 223756 A3 PL223756 A3 PL 223756A3
- Authority
- PL
- Poland
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
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
- E21D23/0409—Aligning or guiding means for the supports or for the constitutive parts of the supports
-
- 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
- E21D23/0082—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor specially adapted for vertical or steep gradient seams
-
- 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
- E21F13/10—Anchorings for conveyors
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)
- Architecture (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Invalid Beds And Related Equipment (AREA)
- Chutes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19792917047 DE2917047A1 (de) | 1978-01-28 | 1979-04-27 | Einrichtung zur endabstuetzung eines schreitausbaus in geneigter und steiler lagerung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PL223756A3 true PL223756A3 (pl) | 1981-02-27 |
| PL124922B3 PL124922B3 (en) | 1983-03-31 |
Family
ID=6069377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL1980223756A PL124922B3 (en) | 1979-04-27 | 1980-04-25 | Apparatus for at-the-end supporting the walking roof support which operates in inclined and steep deposits |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4324510A (pl) |
| GB (1) | GB2048353B (pl) |
| PL (1) | PL124922B3 (pl) |
| SU (1) | SU940652A3 (pl) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110645035B (zh) * | 2019-10-31 | 2021-02-12 | 永城煤电控股集团有限公司 | 滑移顶梁超前支架 |
| CN113279791B (zh) * | 2021-07-05 | 2023-11-21 | 华晋焦煤有限责任公司 | 一种沿空巷道顶板支护用非对称锚梁结构 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU412385A1 (pl) * | 1971-05-26 | 1974-01-25 | ||
| SU659759A1 (ru) * | 1975-05-05 | 1979-04-30 | Государственный Научно-Исследовательский Проектно-Конструкторский И Проектный Угольный Институт | Концева секци механизированной крепи |
| DE2549941C3 (de) * | 1975-11-07 | 1979-09-20 | Maschinenfabrik Glueckauf Beukenberg Gmbh & Co, 4650 Gelsenkirchen | Spann-, Rück- und Haltevorrichtung für ein Förder-, FUhrungs- oder Gewinnungsgerät |
| DE2745429C2 (de) * | 1977-10-08 | 1983-10-20 | Bochumer Eisenhütte Heintzmann GmbH & Co, 4630 Bochum | Wandernder Hilfsausbau für den Übergangsbereich Streb-Strecke |
-
1980
- 1980-04-24 GB GB8013598A patent/GB2048353B/en not_active Expired
- 1980-04-25 SU SU802914350A patent/SU940652A3/ru active
- 1980-04-25 US US06/143,721 patent/US4324510A/en not_active Expired - Lifetime
- 1980-04-25 PL PL1980223756A patent/PL124922B3/pl unknown
Also Published As
| Publication number | Publication date |
|---|---|
| PL124922B3 (en) | 1983-03-31 |
| SU940652A3 (ru) | 1982-06-30 |
| GB2048353B (en) | 1983-03-16 |
| GB2048353A (en) | 1980-12-10 |
| US4324510A (en) | 1982-04-13 |