FR615512A - - Google Patents
Info
- Publication number
- FR615512A FR615512A FR615512DA FR615512A FR 615512 A FR615512 A FR 615512A FR 615512D A FR615512D A FR 615512DA FR 615512 A FR615512 A FR 615512A
- Authority
- FR
- France
- 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
- E21C31/00—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam
- E21C31/10—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for slewing parts of the machines
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)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR615512A true FR615512A (ru) | 1927-01-10 |
Family
ID=1541026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR615512D Expired FR615512A (ru) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR615512A (ru) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3343883A (en) * | 1965-06-11 | 1967-09-26 | Coal Industry Patents Ltd | Rotary cutter units for longwall mineral mining machines |
| US4317595A (en) * | 1979-09-10 | 1982-03-02 | Swiss Aluminium Ltd. | Chisel for a crust breaking facility |
-
0
- FR FR615512D patent/FR615512A/fr not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3343883A (en) * | 1965-06-11 | 1967-09-26 | Coal Industry Patents Ltd | Rotary cutter units for longwall mineral mining machines |
| US4317595A (en) * | 1979-09-10 | 1982-03-02 | Swiss Aluminium Ltd. | Chisel for a crust breaking facility |