ZA832294B - Mine roof supports - Google Patents
Mine roof supportsInfo
- Publication number
- ZA832294B ZA832294B ZA832294A ZA832294A ZA832294B ZA 832294 B ZA832294 B ZA 832294B ZA 832294 A ZA832294 A ZA 832294A ZA 832294 A ZA832294 A ZA 832294A ZA 832294 B ZA832294 B ZA 832294B
- Authority
- ZA
- South Africa
- Prior art keywords
- mine roof
- roof supports
- supports
- mine
- roof
- 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
- E21D23/0454—Trailing plates; Coal face or goaf side sprags
-
- 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
- E21D23/0481—Supports specially adapted for use in combination with the placing of filling-up materials
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Building Environments (AREA)
- Connector Housings Or Holding Contact Members (AREA)
- Lining And Supports For Tunnels (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19823211595 DE3211595A1 (de) | 1982-03-30 | 1982-03-30 | Bruch- und versatzabschirmung eines lemniskatenschildes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA832294B true ZA832294B (en) | 1983-12-28 |
Family
ID=6159636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA832294A ZA832294B (en) | 1982-03-30 | 1983-03-30 | Mine roof supports |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4518284A (xx) |
| AU (1) | AU557024B2 (xx) |
| DE (1) | DE3211595A1 (xx) |
| FR (1) | FR2524544B1 (xx) |
| PL (1) | PL138340B1 (xx) |
| ZA (1) | ZA832294B (xx) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2583816B1 (fr) * | 1985-06-20 | 1987-08-21 | Bennes Marrel | Dispositif pour le ripage des piles de soutenement marchant utilisees dans les mines |
| US4769558A (en) * | 1986-07-09 | 1988-09-06 | Eta Systems, Inc. | Integrated circuit clock bus layout delay system |
| DE3630580A1 (de) * | 1986-09-09 | 1988-03-10 | Gewerk Eisenhuette Westfalia | Lagerung des kappenanstellzylinders bei einem schildausbaugestell |
| DE3823682C2 (de) * | 1988-07-13 | 1996-04-18 | Westfalia Becorit Ind Tech | Ausbaugestell, insbesondere Schildausbaugestell, mit Schreitwerk und Liegendkufen-Aushebevorrichtung |
| CN1079489C (zh) * | 1998-09-11 | 2002-02-20 | 阎顺 | 组合型液压支架 |
| RU2408786C1 (ru) * | 2009-09-24 | 2011-01-10 | Александр Александрович Перфилов | Механизированная крепь для крутых пластов |
| CN108643952A (zh) * | 2018-07-27 | 2018-10-12 | 山东矿机华能装备制造有限公司 | 全防护护帮挡矸装置 |
| CN114000895B (zh) * | 2021-05-07 | 2023-08-01 | 华北科技学院(中国煤矿安全技术培训中心) | 一种应急支护设备与方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE908365C (de) * | 1952-01-01 | 1954-04-05 | F W Moll Soehne Maschinenfabri | Auswechselbarer Verschlag fuer Bergeversatz im Grubenbetrieb |
| GB1219897A (en) * | 1967-10-10 | 1971-01-20 | Karl Maria Groetschel | Improvements relating to roof supports for mine workings |
| DE1945980C3 (de) * | 1969-09-11 | 1974-02-14 | Krampe & Co, Fertigung In Bergbaubedarf Gmbh, 4320 Hattingen | Versatzabkleidung für den wandernden Strebausbau |
| DE2212994A1 (de) * | 1972-03-17 | 1973-09-20 | Krampe & Co | Vorrichtung fuer den hydraulischen strebausbau zur abschirmung des versatzfeldes gegen den offen zu haltenden strebraum |
| AT321229B (de) * | 1972-12-28 | 1975-03-25 | Oesterr Alpine Montan | Schildausbau |
| GB1456993A (en) * | 1973-04-27 | 1976-12-01 | Coal Industry Patents Ltd | Mine roof support shield assembly |
| DE2742563A1 (de) * | 1976-09-24 | 1978-03-30 | Coal Industry Patents Ltd | Verfahren und vorrichtung zum unterfangen des hangenden im untertaegigen bergbau |
| DE3001994A1 (de) * | 1980-01-21 | 1981-07-30 | Bochumer Eisenhütte Heintzmann GmbH & Co, 4630 Bochum | Strebausbau fuer die stark geneigte lagerung |
-
1982
- 1982-03-30 DE DE19823211595 patent/DE3211595A1/de not_active Withdrawn
-
1983
- 1983-03-30 AU AU13041/83A patent/AU557024B2/en not_active Ceased
- 1983-03-30 PL PL1983241259A patent/PL138340B1/pl unknown
- 1983-03-30 ZA ZA832294A patent/ZA832294B/xx unknown
- 1983-03-30 US US06/480,614 patent/US4518284A/en not_active Expired - Fee Related
- 1983-03-30 FR FR8305227A patent/FR2524544B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE3211595A1 (de) | 1983-10-06 |
| FR2524544B1 (fr) | 1987-05-07 |
| PL138340B1 (en) | 1986-09-30 |
| US4518284A (en) | 1985-05-21 |
| AU557024B2 (en) | 1986-12-04 |
| PL241259A1 (en) | 1983-11-21 |
| FR2524544A1 (fr) | 1983-10-07 |
| AU1304183A (en) | 1983-10-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB2115047B (en) | Mine roof support system | |
| ZA837429B (en) | Mine roof support assembly | |
| GB2125465B (en) | Mine prop | |
| GB2067640B (en) | Mine roof supports | |
| ZA832294B (en) | Mine roof supports | |
| GB2115046B (en) | Self-advancing roof supports | |
| GB2116618B (en) | Mine roof supports | |
| GB2115048B (en) | Mine roof supports | |
| GB2088458B (en) | Mine roof support | |
| GB8424334D0 (en) | Mine roof supports | |
| ZA844424B (en) | Mine roof supports | |
| GB2093102B (en) | Mine roof support | |
| ZA836136B (en) | Mine roof supports | |
| ZA837040B (en) | Improvements in mine roof supports | |
| GB8311695D0 (en) | Mine roof support | |
| GB8310348D0 (en) | Roof support for mines | |
| GB8322841D0 (en) | Mine support | |
| GB2080381B (en) | Mine roof supports | |
| GB8328281D0 (en) | Mine roof supports | |
| GB2108559B (en) | Mine roof support | |
| GB2097454B (en) | Mine roof support | |
| GB2084232B (en) | Mine roof support unit | |
| GB8311696D0 (en) | Mine roof support | |
| ZA838402B (en) | Mine prop | |
| ZA838403B (en) | Mine prop |