BE643805A - - Google Patents
Info
- Publication number
- BE643805A BE643805A BE643805DA BE643805A BE 643805 A BE643805 A BE 643805A BE 643805D A BE643805D A BE 643805DA BE 643805 A BE643805 A BE 643805A
- 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
- E21D23/0073—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 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)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEV23658A DE1160391B (de) | 1963-02-16 | 1963-02-16 | Schreitendes hydraulisches Grubenausbaugestell |
| DEV23997A DE1195254B (de) | 1963-04-27 | 1963-04-27 | Schreitendes hydraulisches Ausbaugestell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE643805A true BE643805A (da) | 1964-08-14 |
Family
ID=26001643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE643805D BE643805A (da) | 1963-02-16 | 1964-02-14 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE643805A (da) |
| GB (1) | GB1049471A (da) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8318615U1 (de) * | 1983-06-28 | 1983-11-03 | Klöckner-Becorit GmbH, 4620 Castrop-Rauxel | Richtzylinder fuer den schildausbau |
-
1964
- 1964-02-14 GB GB631764A patent/GB1049471A/en not_active Expired
- 1964-02-14 BE BE643805D patent/BE643805A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1049471A (en) | 1966-11-30 |