ZA811547B - Mine-roof support - Google Patents
Mine-roof supportInfo
- Publication number
- ZA811547B ZA811547B ZA00811547A ZA811547A ZA811547B ZA 811547 B ZA811547 B ZA 811547B ZA 00811547 A ZA00811547 A ZA 00811547A ZA 811547 A ZA811547 A ZA 811547A ZA 811547 B ZA811547 B ZA 811547B
- Authority
- ZA
- South Africa
- Prior art keywords
- mine
- roof support
- roof
- 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
- E21D23/04—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
- E21D23/0409—Aligning or guiding means for the supports or for the constitutive parts 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
- E21D23/08—Advancing mechanisms
- E21D23/081—Advancing mechanisms forming parts of the roof supports
- E21D23/083—Advancing mechanisms forming parts of the roof supports acting on a firm abutment adapted thereto
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)
- Rehabilitation Tools (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3010082A DE3010082C2 (de) | 1980-03-15 | 1980-03-15 | Führungsvorrichtung für Schreitausbaugestelle |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA811547B true ZA811547B (en) | 1982-04-28 |
Family
ID=6097368
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA00811547A ZA811547B (en) | 1980-03-15 | 1981-03-09 | Mine-roof support |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE3010082C2 (de) |
IN (1) | IN154680B (de) |
ZA (1) | ZA811547B (de) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1205036B (de) * | 1960-06-30 | 1965-11-18 | Kloeckner Werke Ag | Wandernder Strebausbau mit Rahmen |
DE1944309A1 (de) * | 1969-09-01 | 1971-03-11 | Heinz Hoelter | Spritzduese fuer pastenfoermige Massen,vorzugsweise zum Ausspritzen von Strecken im Untertagebergbau mit Tragluftschleier |
DE2337218C3 (de) * | 1973-07-21 | 1980-11-20 | Hermann Hemscheidt Maschinenfabrik Gmbh U. Co, 5600 Wuppertal | Schreiteinheit von Schildausbaugestellen |
DE2355234A1 (de) * | 1973-11-05 | 1975-05-07 | Groetschel Karl Maria Dipl Ber | Vorrichtung zum einstellen der schreitrichtung einer gruppe von wanderausbaugestellen |
DE2942943C2 (de) * | 1979-10-24 | 1981-11-26 | Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal | Vorrichtung zum Aufrechterhalten des vorgegebenen Mittenabstandes der Ausbauelemente eines Schreitausbaues für den Langfrontenabbau |
DE3001994A1 (de) * | 1980-01-21 | 1981-07-30 | Bochumer Eisenhütte Heintzmann GmbH & Co, 4630 Bochum | Strebausbau fuer die stark geneigte lagerung |
-
1980
- 1980-03-15 DE DE3010082A patent/DE3010082C2/de not_active Expired
-
1981
- 1981-03-09 ZA ZA00811547A patent/ZA811547B/xx unknown
- 1981-03-13 IN IN276/CAL/81A patent/IN154680B/en unknown
Also Published As
Publication number | Publication date |
---|---|
DE3010082A1 (de) | 1981-09-24 |
IN154680B (de) | 1984-12-08 |
DE3010082C2 (de) | 1982-10-07 |
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