BE686242A - - Google Patents
Info
- Publication number
- BE686242A BE686242A BE686242DA BE686242A BE 686242 A BE686242 A BE 686242A BE 686242D A BE686242D A BE 686242DA BE 686242 A BE686242 A BE 686242A
- Authority
- BE
- Belgium
Links
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
- E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices
- E21D23/0078—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices with individual shifting devices
-
- 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
- E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith
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)
- Drawing Aids And Blackboards (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEK57096A DE1277790B (de) | 1965-09-10 | 1965-09-10 | Wandernder Strebausbau mit Gespannen aus drei nebeneinander angeordneten Ausbaurahmen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE686242A true BE686242A (fi) | 1967-02-01 |
Family
ID=7228120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE686242D BE686242A (fi) | 1965-09-10 | 1966-08-31 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE686242A (fi) |
| DE (1) | DE1277790B (fi) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2547853C2 (de) * | 1975-10-25 | 1984-04-05 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Schildausbaueinheit |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2714505A (en) * | 1948-05-01 | 1955-08-02 | Joy Mfg Co | Apparatus for mine roof control |
| GB647315A (en) * | 1948-06-24 | 1950-12-13 | Mavor & Coulson Ltd | Improvements in mine props |
| DE1172633B (de) * | 1954-02-12 | 1964-06-25 | Hansjoachim Von Hippel Dr Ing | Vorrichtung zum Fuehren von wandernden Ausbauelementen |
| FR1302724A (fr) * | 1961-10-03 | 1962-08-31 | N J Muschamp & Company Ltd | Soutènement de toit pour mines |
| FR1337134A (fr) * | 1961-10-30 | 1963-09-06 | Dowty Mining Equipment Ltd | Perfectionnements aux supports de toit de mine |
| DE1179530B (de) * | 1962-02-14 | 1964-10-15 | Karl Theodor Jasper | Ausbaueinheit fuer den wandernden Strebausbau |
-
1965
- 1965-09-10 DE DEK57096A patent/DE1277790B/de active Pending
-
1966
- 1966-08-31 BE BE686242D patent/BE686242A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1277790B (de) | 1968-09-19 |