BE489004A - - Google Patents
Info
- Publication number
- BE489004A BE489004A BE489004A BE489004A BE489004A BE 489004 A BE489004 A BE 489004A BE 489004 A BE489004 A BE 489004A BE 489004 A BE489004 A BE 489004A BE 489004 A BE489004 A BE 489004A
- Authority
- BE
- Belgium
- Prior art keywords
- roof
- devices
- frames
- mine
- jacks
- Prior art date
Links
- 230000007246 mechanism Effects 0.000 claims description 91
- 238000005096 rolling process Methods 0.000 claims description 59
- 239000012530 fluid Substances 0.000 claims description 44
- 238000006073 displacement reaction Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 5
- 238000007665 sagging Methods 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims 2
- 238000000429 assembly Methods 0.000 claims 2
- 239000000969 carrier Substances 0.000 claims 2
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 230000001681 protective effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 239000003245 coal Substances 0.000 description 8
- 230000008901 benefit Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 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
- E21D23/08—Advancing mechanisms
- E21D23/081—Advancing mechanisms forming parts of the roof supports
- E21D23/087—Advancing mechanisms forming parts of the roof supports acting directly on the walls of the seam
- E21D23/088—Advancing mechanisms forming parts of the roof supports acting directly on the walls of the seam by means of wheels, rollers, caterpillars, belts or worm screws
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/58—Devices for setting props or chocks
- E21D15/585—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important
- E21D15/586—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important the props being pre-loaded
- E21D15/587—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important the props being pre-loaded by means of power accumulators to be pre-charged by rock pressure
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D17/00—Caps for supporting mine roofs
- E21D17/02—Cantilever extension or similar protecting devices
- E21D17/08—Cap joints for obtaining a coal-face free of pit-props
- E21D17/086—Cap joints for obtaining a coal-face free of pit-props or articulated type
-
- 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
- E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices
- E21D23/0073—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices with advancing shifting devices connected therewith
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)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US53070A US2752757A (en) | 1948-10-06 | 1948-10-06 | Apparatus for mine roof control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE489004A true BE489004A (xx) | 1949-05-31 |
Family
ID=21981742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE489004A BE489004A (xx) | 1948-10-06 | 1949-05-13 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2752757A (xx) |
| BE (1) | BE489004A (xx) |
| GB (1) | GB715673A (xx) |
| NL (1) | NL80452C (xx) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2888230A (en) * | 1952-06-16 | 1959-05-26 | Mining Engineering Co Ltd | Roof supports |
| DE1102075B (de) * | 1955-12-23 | 1961-03-16 | Mining Engineering Co Ltd | Wandernder Grubenausbau |
| US2861429A (en) * | 1955-12-23 | 1958-11-25 | Mining Engineering Co Ltd | Roof supports for mine workings |
| DE1150639B (de) * | 1957-04-13 | 1963-06-27 | Mining Engineering Co Ltd | Nachgiebige Tragvorrichtung fuer den Bergbau |
| DE1193458B (de) * | 1958-08-11 | 1965-05-26 | Dobson Ltd W E & F | Wandernder Grubenausbau |
| DE1146464B (de) * | 1959-07-18 | 1963-04-04 | Rheinstahl Gmbh Wanheim | Mittels Raupen fahrbares Ausbaugestell |
| GB996137A (en) * | 1963-04-22 | 1965-06-23 | Dowty Mining Equipment Ltd | Mining apparatus |
| GB1046269A (en) * | 1963-09-03 | 1966-10-19 | Dowty Mining Equipment Ltd | Advanceable roof support assembly |
| US3778108A (en) * | 1972-02-29 | 1973-12-11 | Allied Chem | Trona mining method |
| JPS5220302A (en) * | 1975-08-08 | 1977-02-16 | Taiheiyo Eng | Selfftravelling support for metal and coal mining heading |
| US4167361A (en) * | 1978-08-30 | 1979-09-11 | Mine Safety Appliances Company | Temporary mine roof prop |
| DE3100093A1 (de) * | 1981-01-03 | 1982-08-05 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Vorrichtung zur begrenzung des ausbauwiderstandes eines hydraulischen ausbauschildes |
| US4312609A (en) * | 1980-07-01 | 1982-01-26 | Culley Jr Donnell H | Mine roof support system |
| CN113719306B (zh) * | 2021-07-28 | 2022-05-06 | 中国矿业大学 | 一种液压支架智能供液泵站及控制方法 |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US81759A (en) * | 1868-09-01 | George edmund donisthorpe | ||
| US76419A (en) * | 1868-04-07 | Peters | ||
| US881609A (en) * | 1907-11-06 | 1908-03-10 | Friedrich Nellen | Prop for mines. |
| US942170A (en) * | 1908-05-22 | 1909-12-07 | Sylvester M Dunlap | Shifting jack-screw. |
| US1480733A (en) * | 1920-04-28 | 1924-01-15 | Morgan Olive Eugenie | System and apparatus for mining coal |
| US1486293A (en) * | 1920-06-23 | 1924-03-11 | Morgan Olive Eugenie | Mining system and apparatus |
| US1704866A (en) * | 1921-07-01 | 1929-03-12 | Morgan Olive Eugenie | Method of mining and mining apparatus |
| US1736853A (en) * | 1924-03-08 | 1929-11-26 | Jeffrey Mfg Co | Mining machine |
| US1588987A (en) * | 1924-09-16 | 1926-06-15 | O'toole Edward | Method of mining |
| US1765200A (en) * | 1927-11-17 | 1930-06-17 | Bullough Enoch | Pit prop |
| DE512214C (de) * | 1928-05-31 | 1930-11-10 | Albert Hamel | Verschiebbare Abbaukammer zum versatzlosen Rueckbau |
| DE543896C (de) * | 1930-03-21 | 1932-02-11 | Hermann Klein | Auf dem Liegenden fahrbares Geruest mit Raupenbandverzug zum Abfangen des Hangenden |
| US1998294A (en) * | 1933-10-19 | 1935-04-16 | Thomas Mineral Cutting Machine | Method of mining |
| GB511557A (en) * | 1938-04-26 | 1939-08-21 | Edward John Leslie Hancock | Improvements in or relating to apparatus for use in mining |
| US2256835A (en) * | 1939-06-16 | 1941-09-23 | Mercier Jean | Oleopneumatic device |
| US2313242A (en) * | 1940-10-30 | 1943-03-09 | Bendix Aviat Corp | Shock strut |
| US2420666A (en) * | 1941-09-12 | 1947-05-20 | Joseph F Joy | Hydro-pneumatic recuperator for guns |
| US2420755A (en) * | 1942-12-04 | 1947-05-20 | Joy Mfg Co | Apparatus for mining |
| US2352390A (en) * | 1943-05-13 | 1944-06-27 | Everett R Kirkland | Hydraulic jack |
-
1948
- 1948-10-06 US US53070A patent/US2752757A/en not_active Expired - Lifetime
-
1949
- 1949-04-26 GB GB11087/49A patent/GB715673A/en not_active Expired
- 1949-05-13 BE BE489004A patent/BE489004A/fr unknown
- 1949-05-23 NL NL146595A patent/NL80452C/nl active
Also Published As
| Publication number | Publication date |
|---|---|
| NL80452C (xx) | 1956-02-15 |
| US2752757A (en) | 1956-07-03 |
| GB715673A (en) | 1954-09-22 |
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