IN154680B - - Google Patents
Info
- Publication number
- IN154680B IN154680B IN276/CAL/81A IN276CA1981A IN154680B IN 154680 B IN154680 B IN 154680B IN 276CA1981 A IN276CA1981 A IN 276CA1981A IN 154680 B IN154680 B IN 154680B
- Authority
- IN
- India
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
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- 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)
- Excavating Of Shafts Or Tunnels (AREA)
- Rehabilitation Tools (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3010082A DE3010082C2 (en) | 1980-03-15 | 1980-03-15 | Guide device for support frames |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN154680B true IN154680B (en) | 1984-12-08 |
Family
ID=6097368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN276/CAL/81A IN154680B (en) | 1980-03-15 | 1981-03-13 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE3010082C2 (en) |
| IN (1) | IN154680B (en) |
| ZA (1) | ZA811547B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1205036B (en) * | 1960-06-30 | 1965-11-18 | Kloeckner Werke Ag | Wandering longwall with frame |
| DE1944309A1 (en) * | 1969-09-01 | 1971-03-11 | Heinz Hoelter | Spray nozzle for pasty masses, preferably for spraying routes in underground mining with air curtains |
| DE2337218C3 (en) * | 1973-07-21 | 1980-11-20 | Hermann Hemscheidt Maschinenfabrik Gmbh U. Co, 5600 Wuppertal | Striding unit of shield support frames |
| DE2355234A1 (en) * | 1973-11-05 | 1975-05-07 | Groetschel Karl Maria Dipl Ber | DEVICE FOR ADJUSTING THE WALKING DIRECTION OF A GROUP OF WALKING EXTENSIONS |
| DE2942943C2 (en) * | 1979-10-24 | 1981-11-26 | Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal | Device for maintaining the specified center-to-center distance of the support elements of a step support for the dismantling of long fronts |
| DE3001994A1 (en) * | 1980-01-21 | 1981-07-30 | Bochumer Eisenhütte Heintzmann GmbH & Co, 4630 Bochum | STREBAUSBAU FOR THE STRONG SLOPED STORAGE |
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1980
- 1980-03-15 DE DE3010082A patent/DE3010082C2/en not_active Expired
-
1981
- 1981-03-09 ZA ZA00811547A patent/ZA811547B/en unknown
- 1981-03-13 IN IN276/CAL/81A patent/IN154680B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ZA811547B (en) | 1982-04-28 |
| DE3010082A1 (en) | 1981-09-24 |
| DE3010082C2 (en) | 1982-10-07 |