AU5577573A - Shield type roof support system for controlling the roof at longwall faces in mines - Google Patents
Shield type roof support system for controlling the roof at longwall faces in minesInfo
- Publication number
- AU5577573A AU5577573A AU55775/73A AU5577573A AU5577573A AU 5577573 A AU5577573 A AU 5577573A AU 55775/73 A AU55775/73 A AU 55775/73A AU 5577573 A AU5577573 A AU 5577573A AU 5577573 A AU5577573 A AU 5577573A
- Authority
- AU
- Australia
- Prior art keywords
- roof
- mines
- controlling
- support system
- shield type
- Prior art date
- 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
- E21D23/04—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
- E21D23/0445—Extensions of the base member supporting the conveyor
-
- 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)
- Architecture (AREA)
- Structural Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2224438A DE2224438C2 (en) | 1972-05-19 | 1972-05-19 | Shield support for struts in underground mining |
DEDE822244 | 1972-05-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
AU5577573A true AU5577573A (en) | 1974-11-21 |
AU474951B2 AU474951B2 (en) | 1976-08-05 |
Family
ID=5845325
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU55775/73A Expired AU474951B2 (en) | 1972-05-19 | 1973-05-16 | Shield type roof support system for controlling the roof at longwall faces in mines |
Country Status (7)
Country | Link |
---|---|
US (1) | US3896626A (en) |
AU (1) | AU474951B2 (en) |
BE (1) | BE799353A (en) |
DE (1) | DE2224438C2 (en) |
FR (1) | FR2185748B3 (en) |
GB (1) | GB1424276A (en) |
PL (1) | PL85831B1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2522117A1 (en) * | 1975-05-17 | 1976-12-02 | Bochumer Eisen Heintzmann | SLEEPING THRESHOLD ARRANGEMENT FOR A SHIELD STRUCTURE |
DE2522111B2 (en) * | 1975-05-17 | 1978-10-12 | Bochumer Eisenhuette Heintzmann Gmbh & Co, 4630 Bochum | Shield support team with guide device |
DE2554554C3 (en) * | 1975-12-04 | 1984-05-24 | Klöckner-Becorit GmbH, 4620 Castrop-Rauxel | Shield support unit for underground longwall mining |
JPS5329202A (en) * | 1976-08-31 | 1978-03-18 | Taiheiyo Eng | Coal extracting method of long wall coal facing |
AU554140B2 (en) * | 1980-07-02 | 1986-08-07 | Dana Corporation | Thermally insulating coating on piston head |
AU2010271330B2 (en) | 2009-07-10 | 2014-09-11 | Joy Global Underground Mining Llc | Longwall mining roof supports |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB965172A (en) * | 1962-04-06 | 1964-07-29 | Gullick Ltd | Improvements in or relating to roof supports for mines and the like |
DE1219892B (en) * | 1964-11-14 | 1966-06-30 | Gewerk Eisenhuette Westfalia | Control of a coal plow |
US3402015A (en) * | 1965-10-14 | 1968-09-17 | Universal Oil Prod Co | Multiple stage treatment of a noxious stream with cyclic high quantities of nitrogen oxides |
GB1160513A (en) * | 1966-03-04 | 1969-08-06 | Karl Maria Groetschel | Improvements relating to Roof Supports for Mine Workings. |
DE1277789B (en) * | 1967-01-13 | 1968-09-19 | Gewerk Eisenhuette Westfalia | Hydraulically moving support frame |
US3431738A (en) * | 1967-06-06 | 1969-03-11 | Karl Maria Groetschel | Roof supporting systems for mine workings |
GB1259785A (en) * | 1968-04-26 | 1972-01-12 | Gewerk Eisenhuette Westfalia | A mineral mining installation |
US3570255A (en) * | 1968-06-10 | 1971-03-16 | Mastabar Mining Equipment Co L | Mine roof support |
FR2037349A6 (en) * | 1969-02-20 | 1970-12-31 | Gewerk Eisenhuette Westfalia |
-
1972
- 1972-05-19 DE DE2224438A patent/DE2224438C2/en not_active Expired
-
1973
- 1973-05-10 BE BE130960A patent/BE799353A/en unknown
- 1973-05-10 GB GB2243973A patent/GB1424276A/en not_active Expired
- 1973-05-16 AU AU55775/73A patent/AU474951B2/en not_active Expired
- 1973-05-18 US US361623A patent/US3896626A/en not_active Expired - Lifetime
- 1973-05-18 PL PL1973162656A patent/PL85831B1/pl unknown
- 1973-05-18 FR FR7318132A patent/FR2185748B3/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2185748A1 (en) | 1974-01-04 |
DE2224438C2 (en) | 1975-06-05 |
GB1424276A (en) | 1976-02-11 |
FR2185748B3 (en) | 1976-05-07 |
DE2224438A1 (en) | 1973-08-09 |
AU474951B2 (en) | 1976-08-05 |
BE799353A (en) | 1973-11-12 |
DE2224438B1 (en) | 1973-08-09 |
US3896626A (en) | 1975-07-29 |
PL85831B1 (en) | 1976-05-31 |
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