BE433062A - - Google Patents
Info
- Publication number
- BE433062A BE433062A BE433062DA BE433062A BE 433062 A BE433062 A BE 433062A BE 433062D A BE433062D A BE 433062DA BE 433062 A BE433062 A BE 433062A
- 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)
- Saccharide Compounds (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB6779/38A GB512443A (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 |
|---|---|
| BE433062A true BE433062A (pt) |
Family
ID=9820581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE433062D BE433062A (pt) | 1938-03-04 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2268260A (pt) |
| BE (1) | BE433062A (pt) |
| FR (1) | FR851192A (pt) |
| GB (1) | GB512443A (pt) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2426351A (en) * | 1942-12-09 | 1947-08-26 | Jeffrey Mfg Co | Spring pressed overload release clutch |
| US2448056A (en) * | 1943-08-11 | 1948-08-31 | Joy Mfg Co | Cuttings conveying means |
| US2429323A (en) * | 1945-06-30 | 1947-10-21 | Goodman Mfg Co | Kerf-cutting machine |
| US2415986A (en) * | 1945-09-10 | 1947-02-18 | Jeffrey Mfg Co | Cuttings remover for shortwall mining machines |
| US2445957A (en) * | 1946-05-10 | 1948-07-27 | Goodman Mfg Co | Slack or cuttings removing device for kerf-cutting machines |
| US2657915A (en) * | 1948-10-16 | 1953-11-03 | Joy Mfg Co | Reversible longwall mining machine |
-
0
- BE BE433062D patent/BE433062A/xx unknown
-
1938
- 1938-03-04 GB GB6779/38A patent/GB512443A/en not_active Expired
-
1939
- 1939-03-01 US US259159A patent/US2268260A/en not_active Expired - Lifetime
- 1939-03-04 FR FR851192D patent/FR851192A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB512443A (en) | 1939-09-15 |
| US2268260A (en) | 1941-12-30 |
| FR851192A (fr) | 1940-01-04 |