BE433061A - - Google Patents
Info
- Publication number
- BE433061A BE433061A BE433061DA BE433061A BE 433061 A BE433061 A BE 433061A BE 433061D A BE433061D A BE 433061DA BE 433061 A BE433061 A BE 433061A
- Authority
- BE
- Belgium
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/22—Machines slitting solely by one or more cutter chains moving unidirectionally along jibs
- E21C25/50—Machines slitting solely by one or more cutter chains moving unidirectionally along jibs with equipment for cleaning the slit
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)
- Pusher Or Impeller Conveyors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB677838A GB512442A (en) | 1938-03-04 | 1938-03-04 | Improvements in or connected with cutter-chain machines for use in mining coal and other minerals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE433061A true BE433061A (pt) |
Family
ID=9820561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE433061D BE433061A (pt) | 1938-03-04 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE433061A (pt) |
| FR (1) | FR851191A (pt) |
| GB (1) | GB512442A (pt) |
-
0
- BE BE433061D patent/BE433061A/xx unknown
-
1938
- 1938-03-04 GB GB677838A patent/GB512442A/en not_active Expired
-
1939
- 1939-03-04 FR FR851191D patent/FR851191A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB512442A (en) | 1939-09-15 |
| FR851191A (fr) | 1940-01-04 |