GB991012A - Roof support assembly - Google Patents
Roof support assemblyInfo
- Publication number
- GB991012A GB991012A GB20179/63A GB2017963A GB991012A GB 991012 A GB991012 A GB 991012A GB 20179/63 A GB20179/63 A GB 20179/63A GB 2017963 A GB2017963 A GB 2017963A GB 991012 A GB991012 A GB 991012A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pressure
- line
- sequence
- advancing
- predetermined
- 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
- 239000012530 fluid Substances 0.000 abstract 2
- 238000005065 mining Methods 0.000 abstract 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
- E21D23/006—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
-
- 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
-
- 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
- E21D23/12—Control, e.g. using remote control
- E21D23/14—Effecting automatic sequential movement of supports, e.g. one behind the other
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8158—With indicator, register, recorder, alarm or inspection means
- Y10T137/8326—Fluid pressure responsive indicator, recorder or alarm
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)
- Fluid-Pressure Circuits (AREA)
- Lining And Supports For Tunnels (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
- Measuring Volume Flow (AREA)
- Control Of Conveyors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB20198/62A GB991007A (en) | 1962-05-25 | 1962-05-25 | Mining apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
GB991012A true GB991012A (en) | 1965-05-05 |
Family
ID=10142036
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB20198/62A Expired GB991007A (en) | 1962-05-25 | 1962-05-25 | Mining apparatus |
GB20179/63A Expired GB991012A (en) | 1962-05-25 | 1962-05-25 | Roof support assembly |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB20198/62A Expired GB991007A (en) | 1962-05-25 | 1962-05-25 | Mining apparatus |
Country Status (4)
Country | Link |
---|---|
US (2) | US3217603A (de) |
DE (2) | DE1189504B (de) |
FR (2) | FR1356891A (de) |
GB (2) | GB991007A (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1023827A (en) * | 1963-06-21 | 1966-03-23 | Dowty Mining Equipment Ltd | Roof support assembly |
GB1022469A (en) * | 1964-02-11 | 1966-03-16 | Dowty Mining Equipment Ltd | Roof support assembly suitable for use in mines |
GB1123975A (en) * | 1964-10-12 | 1968-08-14 | Dowty Electrics Ltd | Hydraulically-operated advancing mine roof supports |
GB1126902A (en) * | 1964-10-22 | 1968-09-11 | Fairey Eng | Improvements relating to hydraulic control systems |
US3318328A (en) * | 1965-05-26 | 1967-05-09 | Combustion Eng | Alarm system |
FR1463082A (fr) * | 1965-10-22 | 1966-06-03 | Botalam | Installation de commande automatique de vérins hydrauliques, ou organes analogues |
US3455329A (en) * | 1966-08-05 | 1969-07-15 | Gabriel Roth | Pneumatic indicating device |
DE1583080A1 (de) * | 1966-10-14 | 1970-04-23 | Dowty Mining Equipment Ltd | Grubendeckenausbau |
US3657964A (en) * | 1969-07-14 | 1972-04-25 | Gardner Denver Co | Control system for nutsetter |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1069548B (de) * | 1959-11-26 | |||
US1312787A (en) * | 1919-08-12 | Intermittent-grip device | ||
US627661A (en) * | 1899-01-06 | 1899-06-27 | Wilson E Symons | Emergency-recorder for air-brakes. |
US758819A (en) * | 1902-10-28 | 1904-05-03 | Robert G Callum | Electric system for indicating the temperature of a distant point. |
US2711634A (en) * | 1949-05-25 | 1955-06-28 | Joy Mfg Co | Mine roof supporting means |
US2753036A (en) * | 1952-03-06 | 1956-07-03 | Joy Mfg Co | Mine roof support-equipped mining apparatus |
US2749536A (en) * | 1953-09-16 | 1956-06-05 | Sperling Gustav | Electrically operated leak detector |
AT184539B (de) * | 1954-04-12 | 1956-01-25 | Kloeckner Bergbau Victor Icker | Wandernder Ausbau mit durch ein Druckmittel betätigten Ausbaugespannen |
US3045627A (en) * | 1956-05-24 | 1962-07-24 | Robert C Eck | Depth control system |
US2959156A (en) * | 1956-08-03 | 1960-11-08 | Sarl Ratier Aviat Marine | Hydraulic servo-device for controlling linearly or rotatably movable members, with indication of the position thereof |
FR1201174A (fr) * | 1957-08-10 | 1959-12-29 | Gewerk Eisenhuette Westfalia | Procédé et dispositif pour la commande d'un soutènement hydraulique, utilisable notamment dans les mines |
DE1109629B (de) * | 1958-09-20 | 1961-06-29 | Hoesch Bergbautechnik G M B H | Anordnung zum mechanisierten Strebausbau |
-
1962
- 1962-05-25 GB GB20198/62A patent/GB991007A/en not_active Expired
- 1962-05-25 GB GB20179/63A patent/GB991012A/en not_active Expired
-
1963
- 1963-05-21 DE DED41599A patent/DE1189504B/de active Pending
- 1963-05-22 DE DED41616A patent/DE1176087B/de active Pending
- 1963-05-22 US US282412A patent/US3217603A/en not_active Expired - Lifetime
- 1963-05-22 US US282396A patent/US3228300A/en not_active Expired - Lifetime
- 1963-05-25 FR FR936000A patent/FR1356891A/fr not_active Expired
- 1963-05-25 FR FR936001A patent/FR1356892A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3228300A (en) | 1966-01-11 |
US3217603A (en) | 1965-11-16 |
GB991007A (en) | 1965-05-05 |
DE1189504B (de) | 1965-03-25 |
FR1356891A (fr) | 1964-03-27 |
FR1356892A (fr) | 1964-03-27 |
DE1176087B (de) | 1964-08-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB991012A (en) | Roof support assembly | |
GB1228381A (de) | ||
GB991010A (en) | Roof support assembly | |
GB1023827A (en) | Roof support assembly | |
GB999943A (en) | Improved mine roof support means | |
GB1124489A (en) | Improvements in or relating to coal face support systems | |
GB1047782A (en) | Mineral mining machines | |
GB1069769A (en) | Mining apparatus | |
GB1031719A (en) | Improvements in or relating to hydraulic pressure gauges for hydraulic roof supports and supports incorporating same | |
GB941767A (en) | Mine roof-supporting device | |
FR1202560A (fr) | Dispositif à soupapes pour étançons hydrauliques de mines | |
GB1131394A (en) | Roof support assemblies suitable for use in mines | |
ES286173A1 (es) | Perfeccionamientos en los dispositivos para el montaje con aceite a presión, de una unión de encaje a presión | |
GB1145743A (en) | Mining machine installations | |
FR1280137A (fr) | Dispositif hydraulique de mise en place d'un étançon de mine | |
GB1039835A (en) | Improvements in or relating to coal face support systems | |
AU224397B2 (en) | Improvements relating tothe combination ofan hydraulic pressure system anda rotary device which requires lubrication | |
GB1001562A (en) | Fluid-pressure loading attachment for mine roof bars and mine roof support assemblies provided therewith | |
GB993670A (en) | Roof support assemblies suitable for use in mines | |
AU4094658A (en) | Improvements relating tothe combination ofan hydraulic pressure system anda rotary device which requires lubrication | |
GB1431410A (en) | Pressure fluid drive systems for use in mineral mining | |
GB1095369A (en) | Roof supports suitable for use in mines | |
GB1002038A (en) | Base plates for pit props | |
GB999671A (en) | Improved mine roof supports | |
BE617543A (fr) | Dispositif d'étanchéité annulaire pour haute pression, en particulier pour des étançons hydrauliques de mines. |