FR1383387A - Control and protection device for a coal plane - Google Patents
Control and protection device for a coal planeInfo
- Publication number
- FR1383387A FR1383387A FR964330A FR964330A FR1383387A FR 1383387 A FR1383387 A FR 1383387A FR 964330 A FR964330 A FR 964330A FR 964330 A FR964330 A FR 964330A FR 1383387 A FR1383387 A FR 1383387A
- Authority
- FR
- France
- Prior art keywords
- control
- protection device
- coal plane
- coal
- plane
- 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
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
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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR964330A FR1383387A (en) | 1964-02-19 | 1964-02-19 | Control and protection device for a coal plane |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR964330A FR1383387A (en) | 1964-02-19 | 1964-02-19 | Control and protection device for a coal plane |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1383387A true FR1383387A (en) | 1964-12-24 |
Family
ID=8823524
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR964330A Expired FR1383387A (en) | 1964-02-19 | 1964-02-19 | Control and protection device for a coal plane |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1383387A (en) |
-
1964
- 1964-02-19 FR FR964330A patent/FR1383387A/en not_active Expired
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