BE549842A - - Google Patents
Info
- Publication number
- BE549842A BE549842A BE549842DA BE549842A BE 549842 A BE549842 A BE 549842A BE 549842D A BE549842D A BE 549842DA BE 549842 A BE549842 A BE 549842A
- Authority
- BE
- Belgium
- Prior art keywords
- machine
- tools
- axes
- arms
- symmetry
- Prior art date
Links
- 238000005065 mining Methods 0.000 claims description 5
- 238000000605 extraction Methods 0.000 claims description 4
- 238000009527 percussion Methods 0.000 description 4
- 238000010009 beating Methods 0.000 description 2
- 238000005422 blasting Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 210000000056 organ Anatomy 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
- E21C27/20—Mineral freed by means not involving slitting
- E21C27/24—Mineral freed by means not involving slitting by milling means acting on the full working face, i.e. the rotary axis of the tool carrier being substantially parallel to the working face
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)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Shovels (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
BE549842A true BE549842A (de) |
Family
ID=175935
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE549842D BE549842A (de) |
Country Status (1)
Country | Link |
---|---|
BE (1) | BE549842A (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3190698A (en) * | 1959-03-02 | 1965-06-22 | Lee Norse Co | Mining machine |
FR2576634A1 (fr) * | 1985-01-29 | 1986-08-01 | Voest Alpine Ag | Machine de percement de galerie ou haveuse a tetes et/ou tambours de havage rotatifs. |
-
0
- BE BE549842D patent/BE549842A/fr unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3190698A (en) * | 1959-03-02 | 1965-06-22 | Lee Norse Co | Mining machine |
FR2576634A1 (fr) * | 1985-01-29 | 1986-08-01 | Voest Alpine Ag | Machine de percement de galerie ou haveuse a tetes et/ou tambours de havage rotatifs. |
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