BE461371A - - Google Patents
Info
- Publication number
- BE461371A BE461371A BE461371DA BE461371A BE 461371 A BE461371 A BE 461371A BE 461371D A BE461371D A BE 461371DA BE 461371 A BE461371 A BE 461371A
- Authority
- BE
- Belgium
- Prior art keywords
- machine
- coal
- shear
- incision
- transverse direction
- Prior art date
Links
- 239000003245 coal Substances 0.000 claims description 14
- 230000009172 bursting Effects 0.000 claims description 5
- 238000005065 mining Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 3
- 239000002360 explosive Substances 0.000 description 2
- 238000003197 gene knockdown Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000003307 slaughter Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C27/00—Machines which completely free the mineral from the seam
- E21C27/10—Machines which completely free the mineral from the seam by both slitting and breaking-down
- E21C27/14—Machines which completely free the mineral from the seam by both slitting and breaking-down breaking-down effected by force or pressure applied to side of slit, e.g. by wedges
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C27/00—Machines which completely free the mineral from the seam
- E21C27/10—Machines which completely free the mineral from the seam by both slitting and breaking-down
- E21C27/12—Machines which completely free the mineral from the seam by both slitting and breaking-down breaking-down effected by acting on the vertical face of the mineral, e.g. by percussive tools
- E21C27/128—Machines which completely free the mineral from the seam by both slitting and breaking-down breaking-down effected by acting on the vertical face of the mineral, e.g. by percussive tools with breaking-down members functioning on the slitting level
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)
- Shovels (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE461371A true BE461371A (enrdf_load_html_response) |
Family
ID=114035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE461371D BE461371A (enrdf_load_html_response) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE461371A (enrdf_load_html_response) |
-
0
- BE BE461371D patent/BE461371A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5142779A (en) | Mobile wood and tire shear | |
| US3848648A (en) | Tree felling apparatus | |
| US4018255A (en) | Tree saw | |
| CA1140434A (en) | Dual action combination firewood cutting and splitting machine | |
| BE461371A (enrdf_load_html_response) | ||
| EP2048469B1 (fr) | Dispositif de déminage pour véhicule civil ou militaire | |
| US4081009A (en) | Method and apparatus for severing fibrous articles such as trees | |
| US4301845A (en) | Tree shear | |
| US4444232A (en) | Log splitter | |
| CN105019493B (zh) | 推铲 | |
| US3119421A (en) | Land clearing implement | |
| US7520306B1 (en) | Tree remover | |
| CA1221006A (en) | Saw type tree felling head and method of felling trees utilizing a felling head | |
| US2905209A (en) | High speed saw chain | |
| BE460385A (enrdf_load_html_response) | ||
| US3886984A (en) | Tree harvester shear assembly with fixed and movable blades | |
| US3986541A (en) | Tree cross-cutting blade | |
| BE460387A (enrdf_load_html_response) | ||
| US4278118A (en) | Log splitter for garden tractors | |
| SU72130A1 (enrdf_load_html_response) | ||
| EA199600094A1 (ru) | Устройство для срезания избытка наплавленного металла при соединении сваркой рельсов | |
| SU37035A1 (ru) | Способ добычи угл с отделением подрубленного угл или антрацита от общего массива путем раздроблени его при помощи гидравлических зажимных устройств-патронов | |
| SU1186151A1 (ru) | Орудие дл полосной расчистки вырубок | |
| FR2951987A3 (fr) | Machine portable pour casser des pierres et analogues | |
| DE1904689A1 (de) | Zerschneider mit Zweischneidenklinge |