FR1060071A - Process and apparatus for mechanical coal mining - Google Patents
Process and apparatus for mechanical coal miningInfo
- Publication number
- FR1060071A FR1060071A FR1060071DA FR1060071A FR 1060071 A FR1060071 A FR 1060071A FR 1060071D A FR1060071D A FR 1060071DA FR 1060071 A FR1060071 A FR 1060071A
- Authority
- FR
- France
- Prior art keywords
- coal mining
- mechanical coal
- mechanical
- mining
- coal
- Prior art date
- 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
- 239000003245 coal Substances 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000005065 mining Methods 0.000 title 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C29/00—Propulsion of machines for slitting or completely freeing the mineral from the seam
- E21C29/04—Propulsion of machines for slitting or completely freeing the mineral from the seam by cable or chains
- E21C29/14—Propulsion of machines for slitting or completely freeing the mineral from the seam by cable or chains by haulage cable or chain pulling the machine along the working face
- E21C29/18—Coupling and uncoupling machine to cable or chain
- E21C29/185—Coupling and uncoupling machine to cable or chain with coupling or uncoupling of the machine at will
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1060071X | 1951-05-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1060071A true FR1060071A (en) | 1954-03-30 |
Family
ID=19868081
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1060071D Expired FR1060071A (en) | 1951-05-10 | 1952-05-09 | Process and apparatus for mechanical coal mining |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1060071A (en) |
-
1952
- 1952-05-09 FR FR1060071D patent/FR1060071A/en not_active Expired
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