DE2641598C2 - - Google Patents
Info
- Publication number
- DE2641598C2 DE2641598C2 DE2641598A DE2641598A DE2641598C2 DE 2641598 C2 DE2641598 C2 DE 2641598C2 DE 2641598 A DE2641598 A DE 2641598A DE 2641598 A DE2641598 A DE 2641598A DE 2641598 C2 DE2641598 C2 DE 2641598C2
- Authority
- DE
- Germany
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- E21D23/0004—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
- E21D23/0008—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 pair of joined struts
-
- 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
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
- E21D23/0454—Trailing plates; Coal face or goaf side sprags
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)
- Architecture (AREA)
- Structural Engineering (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Earth Drilling (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19762641598 DE2641598B1 (de) | 1976-09-16 | 1976-09-16 | Schutzwand fuer hydraulische ausbaugestelle |
GB36347/77A GB1547065A (en) | 1976-09-16 | 1977-08-31 | Protective barrier maounted on mine roof supporting units |
ZA00775356A ZA775356B (en) | 1976-09-16 | 1977-09-06 | A protective barrier mounted on mine roof supporting units |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19762641598 DE2641598B1 (de) | 1976-09-16 | 1976-09-16 | Schutzwand fuer hydraulische ausbaugestelle |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2641598B1 DE2641598B1 (de) | 1978-01-19 |
DE2641598C2 true DE2641598C2 (da) | 1978-09-14 |
Family
ID=5988022
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19762641598 Granted DE2641598B1 (de) | 1976-09-16 | 1976-09-16 | Schutzwand fuer hydraulische ausbaugestelle |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2641598B1 (da) |
GB (1) | GB1547065A (da) |
ZA (1) | ZA775356B (da) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2144474A (en) * | 1983-08-06 | 1985-03-06 | Dowty Mining Equipment Ltd | Roof supports with platform suitable for use in mines |
CN116950699B (zh) * | 2023-09-18 | 2024-02-13 | 中国安全生产科学研究院 | 一种采矿巷道内安全支护结构 |
-
1976
- 1976-09-16 DE DE19762641598 patent/DE2641598B1/de active Granted
-
1977
- 1977-08-31 GB GB36347/77A patent/GB1547065A/en not_active Expired
- 1977-09-06 ZA ZA00775356A patent/ZA775356B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE2641598B1 (de) | 1978-01-19 |
GB1547065A (en) | 1979-06-06 |
ZA775356B (en) | 1978-07-26 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8339 | Ceased/non-payment of the annual fee |