FR604427A - Device for the mechanical advancement of shearers by means of a cable or a traction chain - Google Patents
Device for the mechanical advancement of shearers by means of a cable or a traction chainInfo
- Publication number
- FR604427A FR604427A FR604427DA FR604427A FR 604427 A FR604427 A FR 604427A FR 604427D A FR604427D A FR 604427DA FR 604427 A FR604427 A FR 604427A
- Authority
- FR
- France
- Prior art keywords
- shearers
- cable
- traction chain
- mechanical advancement
- advancement
- 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
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
- E21C29/06—Propulsion of machines for slitting or completely freeing the mineral from the seam by cable or chains anchored at one or both ends to the mine working face
- E21C29/10—Cable or chain co-operating with a winch or the like on the machine
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)
- Gear Transmission (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE604427X | 1924-10-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR604427A true FR604427A (en) | 1926-05-04 |
Family
ID=6575200
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR604427D Expired FR604427A (en) | 1924-10-13 | 1925-10-12 | Device for the mechanical advancement of shearers by means of a cable or a traction chain |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR604427A (en) |
GB (1) | GB241231A (en) |
-
1925
- 1925-10-12 FR FR604427D patent/FR604427A/en not_active Expired
- 1925-10-12 GB GB25447/25A patent/GB241231A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB241231A (en) | 1926-02-11 |
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