DE145350C - - Google Patents
Info
- Publication number
- DE145350C DE145350C DENDAT145350D DE145350DA DE145350C DE 145350 C DE145350 C DE 145350C DE NDAT145350 D DENDAT145350 D DE NDAT145350D DE 145350D A DE145350D A DE 145350DA DE 145350 C DE145350 C DE 145350C
- Authority
- DE
- Germany
- Prior art keywords
- joint
- cut
- coal
- entire width
- same time
- 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.)
- Active
Links
- 239000003245 coal Substances 0.000 description 5
- 238000005065 mining Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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
- E21C25/54—Slitting by unguided cutter cables or cutter chains, or by unguided tools drawn along the working face by cables or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
- B28D1/08—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with saw-blades of endless cutter-type, e.g. chain saws, i.e. saw chains, strap saws
- B28D1/088—Sawing in situ, e.g. stones from rocks, grooves in walls
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 |
|---|---|
| DE145350C true DE145350C (enrdf_load_stackoverflow) |
Family
ID=412702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT145350D Active DE145350C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE145350C (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1129435B (de) * | 1957-06-08 | 1962-05-17 | Gewerk Eisenhuette Westfalia | Gewinnungsgeraet fuer Kohle mit drehbarer Schneidwalze |
-
0
- DE DENDAT145350D patent/DE145350C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1129435B (de) * | 1957-06-08 | 1962-05-17 | Gewerk Eisenhuette Westfalia | Gewinnungsgeraet fuer Kohle mit drehbarer Schneidwalze |
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