FR1091322A - Hydraulically actuated trowel with advancement winch, usable in particular in mines - Google Patents
Hydraulically actuated trowel with advancement winch, usable in particular in minesInfo
- Publication number
- FR1091322A FR1091322A FR1091322DA FR1091322A FR 1091322 A FR1091322 A FR 1091322A FR 1091322D A FR1091322D A FR 1091322DA FR 1091322 A FR1091322 A FR 1091322A
- Authority
- FR
- France
- Prior art keywords
- trowel
- mines
- winch
- advancement
- usable
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1091322T | 1954-01-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1091322A true FR1091322A (en) | 1955-04-12 |
Family
ID=9615369
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1091322D Expired FR1091322A (en) | 1954-01-12 | 1954-01-12 | Hydraulically actuated trowel with advancement winch, usable in particular in mines |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1091322A (en) |
-
1954
- 1954-01-12 FR FR1091322D patent/FR1091322A/en not_active Expired
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