BE504264A - - Google Patents
Info
- Publication number
- BE504264A BE504264A BE504264DA BE504264A BE 504264 A BE504264 A BE 504264A BE 504264D A BE504264D A BE 504264DA BE 504264 A BE504264 A BE 504264A
- Authority
- BE
- Belgium
- Prior art keywords
- cutting
- chains
- machine
- clearing
- face
- Prior art date
Links
- 239000003245 coal Substances 0.000 claims description 29
- 239000002184 metal Substances 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 238000013138 pruning Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 6
- 230000001154 acute effect Effects 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 235000001674 Agaricus brunnescens Nutrition 0.000 claims description 3
- 229910000746 Structural steel Inorganic materials 0.000 claims description 3
- 238000010008 shearing Methods 0.000 description 13
- 230000005484 gravity Effects 0.000 description 5
- 210000003462 vein Anatomy 0.000 description 5
- 239000003610 charcoal Substances 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002002 slurry Substances 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
- E21C27/12—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
- E21C27/126—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 slitting and breaking-down members situated in parallel on an intermediary level
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G5/00—Devices in which the computing operation is performed by means of fluid-pressure elements
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Geology (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mathematical Physics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Harvester Elements (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE504264A true BE504264A (ro) |
Family
ID=145176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE504264D BE504264A (ro) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE504264A (ro) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1008228B (de) * | 1954-11-06 | 1957-05-16 | Steinkohlenbergbauver | In beiden Richtungen arbeitende Schraemmaschine mit horizontalen oberen und unteren Schraemvorrichtungen |
| DE1094208B (de) * | 1953-10-26 | 1960-12-08 | Coal Industry Patents Ltd | Hinter einer Walzenschraemmaschine angehaengte und seitlich am Foerdermittel gefuehrte Raeumeinrichtung fuer Bergbau- u. ae. Betriebe |
| DE1120401B (de) * | 1957-11-04 | 1961-12-28 | Korfmann Gmbh Maschf | Vor Kopf in beiden Strebrichtungen arbeitende Schraemlademaschine |
-
0
- BE BE504264D patent/BE504264A/fr unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1094208B (de) * | 1953-10-26 | 1960-12-08 | Coal Industry Patents Ltd | Hinter einer Walzenschraemmaschine angehaengte und seitlich am Foerdermittel gefuehrte Raeumeinrichtung fuer Bergbau- u. ae. Betriebe |
| DE1008228B (de) * | 1954-11-06 | 1957-05-16 | Steinkohlenbergbauver | In beiden Richtungen arbeitende Schraemmaschine mit horizontalen oberen und unteren Schraemvorrichtungen |
| DE1120401B (de) * | 1957-11-04 | 1961-12-28 | Korfmann Gmbh Maschf | Vor Kopf in beiden Strebrichtungen arbeitende Schraemlademaschine |
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