BE833756A - Soutenement de taille hydraulique mecanise - Google Patents
Soutenement de taille hydraulique mecaniseInfo
- Publication number
- BE833756A BE833756A BE160320A BE160320A BE833756A BE 833756 A BE833756 A BE 833756A BE 160320 A BE160320 A BE 160320A BE 160320 A BE160320 A BE 160320A BE 833756 A BE833756 A BE 833756A
- Authority
- BE
- Belgium
- Prior art keywords
- size support
- hydraulic size
- mechanized hydraulic
- mechanized
- support
- Prior art date
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
- E21D23/082—Advancing mechanisms forming parts of the roof supports acting solely on the elements of the supports
-
- 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
- E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
- E21D23/0034—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face comprising a goaf shield articulated to a base member
- E21D23/0039—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face comprising a goaf shield articulated to a base member and supported by a strut or by a row of struts parallel to the working face
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)
- Excavating Of Shafts Or Tunnels (AREA)
- Extraction Or Liquid Replacement (AREA)
- Lining And Supports For Tunnels (AREA)
- Transmission Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19742453471 DE2453471C2 (de) | 1974-11-12 | 1974-11-12 | Schreitender hydraulischer Strebausbau |
Publications (1)
Publication Number | Publication Date |
---|---|
BE833756A true BE833756A (fr) | 1976-01-16 |
Family
ID=5930565
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE160320A BE833756A (fr) | 1974-11-12 | 1975-09-24 | Soutenement de taille hydraulique mecanise |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE833756A (xx) |
DE (1) | DE2453471C2 (xx) |
ES (1) | ES441499A1 (xx) |
HU (1) | HU174131B (xx) |
PL (1) | PL107137B1 (xx) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2744992C2 (de) * | 1977-10-06 | 1989-09-21 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Schreitwerk für einen Schild- oder Bockausbau u.dgl. |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB766537A (en) * | 1953-02-25 | 1957-01-23 | Coal Industry Patents Ltd | Improvements in mine roof supports |
DE2319910B2 (de) * | 1973-04-19 | 1977-07-21 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Einrichtung zur niveausteuerung eines hobels o.dgl. |
-
1974
- 1974-11-12 DE DE19742453471 patent/DE2453471C2/de not_active Expired
-
1975
- 1975-09-24 BE BE160320A patent/BE833756A/xx not_active IP Right Cessation
- 1975-10-03 ES ES441499A patent/ES441499A1/es not_active Expired
- 1975-11-11 HU HU75EI654A patent/HU174131B/hu unknown
- 1975-11-11 PL PL18464675A patent/PL107137B1/pl unknown
Also Published As
Publication number | Publication date |
---|---|
DE2453471C2 (de) | 1983-03-17 |
HU174131B (hu) | 1979-11-28 |
ES441499A1 (es) | 1977-04-01 |
PL107137B1 (pl) | 1980-01-31 |
DE2453471A1 (de) | 1976-05-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: GEWERKSCHAFT EISENHUTTE WESTFALIA Effective date: 19870930 |