BE714165A - - Google Patents
Info
- Publication number
- BE714165A BE714165A BE714165DA BE714165A BE 714165 A BE714165 A BE 714165A BE 714165D A BE714165D A BE 714165DA BE 714165 A BE714165 A BE 714165A
- Authority
- BE
- Belgium
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
- E21C27/02—Machines which completely free the mineral from the seam solely by slitting
-
- 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
- E21D23/0047—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor without essential shifting devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
- E21F15/02—Supporting means, e.g. shuttering, for filling-up materials
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)
- Mechanical Engineering (AREA)
- Catching Or Destruction (AREA)
- Basic Packing Technique (AREA)
- Binders And Loading Units For Sheaves (AREA)
- Crushing And Grinding (AREA)
- Working Measures On Existing Buildindgs (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEH62755A DE1273459B (de) | 1967-05-17 | 1967-05-17 | Vorrichtung zum mechanischen Abbau in Floezen steiler und halbsteiler Lagerung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE714165A true BE714165A (instruction) | 1968-09-16 |
Family
ID=7162008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE714165D BE714165A (instruction) | 1967-05-17 | 1968-04-25 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE714165A (instruction) |
| DE (1) | DE1273459B (instruction) |
| ES (1) | ES353553A2 (instruction) |
| FR (1) | FR1562503A (instruction) |
-
1967
- 1967-05-17 DE DEH62755A patent/DE1273459B/de active Pending
-
1968
- 1968-04-23 FR FR1562503D patent/FR1562503A/fr not_active Expired
- 1968-04-25 BE BE714165D patent/BE714165A/xx unknown
- 1968-05-04 ES ES353553A patent/ES353553A2/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1562503A (instruction) | 1969-04-04 |
| DE1273459B (de) | 1968-07-25 |
| ES353553A2 (es) | 1969-10-01 |