AT343577B - Ausbau fur den scheibenweisen strebbau von mineral - Google Patents
Ausbau fur den scheibenweisen strebbau von mineralInfo
- Publication number
- AT343577B AT343577B AT861275A AT861275A AT343577B AT 343577 B AT343577 B AT 343577B AT 861275 A AT861275 A AT 861275A AT 861275 A AT861275 A AT 861275A AT 343577 B AT343577 B AT 343577B
- Authority
- AT
- Austria
- Prior art keywords
- mineral
- extension
- way structure
- disc
- disc way
- Prior art date
Links
- 229910052500 inorganic mineral Inorganic materials 0.000 title 1
- 239000011707 mineral Substances 0.000 title 1
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
- E21D23/04—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
- E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement
-
- 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
- E21D23/0013—Frame type 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
- E21D23/04—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
- E21D23/0427—Shield operating devices; Hinges therefor
-
- 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)
- Electrically Operated Instructional Devices (AREA)
- Adjustment And Processing Of Grains (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752500951 DE2500951C3 (de) | 1975-01-11 | Ausbau für den scheibenweisen Strebbau von Mineral |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ATA861275A ATA861275A (de) | 1977-10-15 |
| AT343577B true AT343577B (de) | 1978-06-12 |
Family
ID=5936275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT861275A AT343577B (de) | 1975-01-10 | 1975-11-12 | Ausbau fur den scheibenweisen strebbau von mineral |
Country Status (1)
| Country | Link |
|---|---|
| AT (1) | AT343577B (de) |
-
1975
- 1975-11-12 AT AT861275A patent/AT343577B/de active
Also Published As
| Publication number | Publication date |
|---|---|
| ATA861275A (de) | 1977-10-15 |
| DE2500951B2 (de) | 1976-10-14 |
| DE2500951A1 (de) | 1976-07-15 |
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