FR1438724A - Device for guiding the chain of a coal plane, usable in particular in mines - Google Patents
Device for guiding the chain of a coal plane, usable in particular in minesInfo
- Publication number
- FR1438724A FR1438724A FR21147A FR21147A FR1438724A FR 1438724 A FR1438724 A FR 1438724A FR 21147 A FR21147 A FR 21147A FR 21147 A FR21147 A FR 21147A FR 1438724 A FR1438724 A FR 1438724A
- Authority
- FR
- France
- Prior art keywords
- mines
- usable
- guiding
- chain
- 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 |
---|---|---|---|
FR21147A FR1438724A (en) | 1965-06-17 | 1965-06-17 | Device for guiding the chain of a coal plane, usable in particular in mines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR21147A FR1438724A (en) | 1965-06-17 | 1965-06-17 | Device for guiding the chain of a coal plane, usable in particular in mines |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1438724A true FR1438724A (en) | 1966-05-13 |
Family
ID=8582297
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR21147A Expired FR1438724A (en) | 1965-06-17 | 1965-06-17 | Device for guiding the chain of a coal plane, usable in particular in mines |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1438724A (en) |
-
1965
- 1965-06-17 FR FR21147A patent/FR1438724A/en not_active Expired
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