BE668857A - - Google Patents
Info
- Publication number
- BE668857A BE668857A BE668857DA BE668857A BE 668857 A BE668857 A BE 668857A BE 668857D A BE668857D A BE 668857DA BE 668857 A BE668857 A BE 668857A
- Authority
- BE
- Belgium
- Prior art keywords
- plane
- size
- chain
- coal
- return
- Prior art date
Links
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
- E21C27/32—Mineral freed by means not involving slitting by adjustable or non-adjustable planing means with or without loading arrangements
- E21C27/34—Machine propelled along the working face by cable or chain
-
- 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
- E21C27/32—Mineral freed by means not involving slitting by adjustable or non-adjustable planing means with or without loading arrangements
- E21C27/34—Machine propelled along the working face by cable or chain
- E21C27/35—Ram-ploughs
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)
- Milling, Drilling, And Turning Of Wood (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEG0041406 | 1964-08-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE668857A true BE668857A (enrdf_load_html_response) | 1966-02-28 |
Family
ID=7126678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE668857D BE668857A (enrdf_load_html_response) | 1964-08-29 | 1965-08-27 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE668857A (enrdf_load_html_response) |
| FR (1) | FR1442094A (enrdf_load_html_response) |
-
1965
- 1965-08-04 FR FR27150A patent/FR1442094A/fr not_active Expired
- 1965-08-27 BE BE668857D patent/BE668857A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1442094A (fr) | 1966-06-10 |
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