BE727234A - - Google Patents
Info
- Publication number
- BE727234A BE727234A BE727234DA BE727234A BE 727234 A BE727234 A BE 727234A BE 727234D A BE727234D A BE 727234DA BE 727234 A BE727234 A BE 727234A
- 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
- E21D23/08—Advancing mechanisms
- E21D23/081—Advancing mechanisms forming parts of the roof supports
- E21D23/085—Advancing mechanisms forming parts of the roof supports acting on a conveyor or a guide for the mining machine
- E21D23/086—Details of fixing devices therefor
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19681583799 DE1583799B2 (de) | 1968-02-23 | 1968-02-23 | Verbindungselement zwischen hydraulischen ausbaueinheiten und dem strebfoerdermittel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE727234A true BE727234A (de) | 1969-07-01 |
Family
ID=5679558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE727234D BE727234A (de) | 1968-02-23 | 1969-01-22 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE727234A (de) |
| FR (1) | FR2002432A1 (de) |
-
1969
- 1969-01-22 BE BE727234D patent/BE727234A/xx unknown
- 1969-01-24 FR FR6901365A patent/FR2002432A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| FR2002432A1 (de) | 1969-10-17 |