IN164318B - - Google Patents
Info
- Publication number
- IN164318B IN164318B IN745/DEL/85A IN745DE1985A IN164318B IN 164318 B IN164318 B IN 164318B IN 745DE1985 A IN745DE1985 A IN 745DE1985A IN 164318 B IN164318 B IN 164318B
- Authority
- IN
- India
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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C27/00—Machines which completely free the mineral from the seam
- E21C27/20—Mineral freed by means not involving slitting
- E21C27/32—Mineral freed by means not involving slitting by adjustable or non-adjustable planing means with or without loading arrangements
- E21C27/34—Machine propelled along the working face by cable or chain
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C41/00—Methods of underground or surface mining; Layouts therefor
- E21C41/16—Methods of underground mining; Layouts therefor
- E21C41/18—Methods of underground mining; Layouts therefor for brown or hard coal
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)
- Remote Sensing (AREA)
- Mechanical Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HU353584A HU192450B (en) | 1984-09-20 | 1984-09-20 | Method and apparatus for mining steep mineral bed particularly steep coal one |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN164318B true IN164318B (en) | 1989-02-18 |
Family
ID=10964437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN745/DEL/85A IN164318B (en) | 1984-09-20 | 1985-09-11 |
Country Status (6)
| Country | Link |
|---|---|
| BG (1) | BG44035A3 (en) |
| ES (1) | ES8703572A1 (en) |
| FR (1) | FR2570435B1 (en) |
| HU (1) | HU192450B (en) |
| IN (1) | IN164318B (en) |
| PL (1) | PL255463A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915102A (en) * | 2010-08-20 | 2010-12-15 | 天地科技股份有限公司 | Comprehensive mechanization coal-mining method of heavy pitch course long well |
| CN102373937B (en) * | 2011-09-30 | 2016-06-29 | 天地科技股份有限公司 | Rhombic hydraulic support for pseudo-inclined down mining working surface of steep coal seam |
| CN103670418B (en) * | 2014-01-08 | 2016-01-20 | 大冶有色金属有限责任公司 | A kind of stoping method improving gently inclined medium thick orebody technical indicator |
| CN104847353A (en) * | 2014-11-30 | 2015-08-19 | 刘桂花 | Layered simultaneous production top coal caving coal mining method of steep dip coal seam group |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR581794A (en) * | 1924-05-17 | 1924-12-05 | Exploitation of veins in groups, in particular for veins with a strong inclination | |
| DE1245889B (en) * | 1957-03-06 | 1967-08-03 | Dr Karl Lehmann | Mining process for collapsing coal layers in struts with falling cutting and device for carrying out the process |
| GB1089381A (en) * | 1964-05-05 | 1967-11-01 | Coal Industry Patents Ltd | Improvements relating to mining installations |
-
1984
- 1984-09-20 HU HU353584A patent/HU192450B/en unknown
-
1985
- 1985-09-11 IN IN745/DEL/85A patent/IN164318B/en unknown
- 1985-09-19 ES ES547120A patent/ES8703572A1/en not_active Expired
- 1985-09-19 FR FR8513895A patent/FR2570435B1/en not_active Expired
- 1985-09-20 PL PL25546385A patent/PL255463A1/en unknown
- 1985-09-20 BG BG7176585A patent/BG44035A3/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| HUT37969A (en) | 1986-03-28 |
| PL255463A1 (en) | 1987-10-05 |
| FR2570435A1 (en) | 1986-03-21 |
| ES547120A0 (en) | 1987-02-16 |
| ES8703572A1 (en) | 1987-02-16 |
| BG44035A3 (en) | 1988-09-15 |
| FR2570435B1 (en) | 1989-08-18 |
| HU192450B (en) | 1987-06-29 |