BE455925A - - Google Patents
Info
- Publication number
- BE455925A BE455925A BE455925A BE455925A BE455925A BE 455925 A BE455925 A BE 455925A BE 455925 A BE455925 A BE 455925A BE 455925 A BE455925 A BE 455925A BE 455925 A BE455925 A BE 455925A
- Authority
- BE
- Belgium
- Prior art keywords
- walls
- sled
- wall
- advancement
- moved
- Prior art date
Links
- 238000000605 extraction Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 10
- 239000010931 gold Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 101100349268 Caenorhabditis elegans ntr-2 gene Proteins 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 230000002687 intercalation Effects 0.000 description 2
- 238000009830 intercalation Methods 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 101100005911 Mus musculus Cer1 gene Proteins 0.000 description 1
- 101100207507 Streptomyces coelicolor (strain ATCC BAA-471 / A3(2) / M145) tri2 gene Proteins 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/0056—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with individual advancing shifting devices
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Component Parts Of Construction Machinery (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE956580X | 1943-02-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE455925A true BE455925A (enrdf_load_stackoverflow) | 1944-06-30 |
Family
ID=1559105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE455925A BE455925A (enrdf_load_stackoverflow) | 1943-02-11 | 1944-05-23 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE455925A (enrdf_load_stackoverflow) |
| FR (1) | FR956580A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE977365C (de) * | 1950-06-18 | 1966-03-24 | Konrad Grebe | Wandernder Strebausbau |
| DE974859C (de) * | 1952-12-09 | 1961-05-18 | Konrad Grebe | Schreitender Ausbau in steiler Lagerung |
| DE1014945B (de) * | 1953-04-09 | 1957-09-05 | Paurat F | Nachgiebiger Grubenausbau mit federnden Ausbauteilen |
-
1944
- 1944-05-23 BE BE455925A patent/BE455925A/fr unknown
- 1944-05-26 FR FR956580D patent/FR956580A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR956580A (enrdf_load_stackoverflow) | 1950-02-02 |
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