FR2303155B1 - - Google Patents
Info
- Publication number
- FR2303155B1 FR2303155B1 FR7538628A FR7538628A FR2303155B1 FR 2303155 B1 FR2303155 B1 FR 2303155B1 FR 7538628 A FR7538628 A FR 7538628A FR 7538628 A FR7538628 A FR 7538628A FR 2303155 B1 FR2303155 B1 FR 2303155B1
- Authority
- FR
- France
- 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
- E21D23/08—Advancing mechanisms
- E21D23/081—Advancing mechanisms forming parts of the roof supports
- E21D23/085—Advancing mechanisms forming parts of the roof supports acting on a conveyor or a guide for the mining machine
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/08—Guiding the machine
- E21C35/16—Guiding the machine by making use of the timbering, filling, or other supports
-
- 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
-
- 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
- E21D23/0472—Supports specially adapted for people walking or transporting material
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Radiation-Therapy Devices (AREA)
- Arc Welding In General (AREA)
- Electrolytic Production Of Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2509810A DE2509810C3 (de) | 1975-03-06 | 1975-03-06 | Schreitender Ausbau für den Einsatz in mächtigen Flözen |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2303155A1 FR2303155A1 (fr) | 1976-10-01 |
FR2303155B1 true FR2303155B1 (fr) | 1982-09-10 |
Family
ID=5940654
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7538628A Granted FR2303155A1 (fr) | 1975-03-06 | 1975-12-17 | Soutenement marchant utilisable pour l'exploitation de veines de grande epaisseur |
Country Status (9)
Country | Link |
---|---|
US (1) | US4029361A (fr) |
CA (1) | CA1029403A (fr) |
CS (1) | CS209867B2 (fr) |
DE (1) | DE2509810C3 (fr) |
FR (1) | FR2303155A1 (fr) |
GB (1) | GB1481155A (fr) |
PL (1) | PL108210B1 (fr) |
SU (1) | SU694091A3 (fr) |
ZA (1) | ZA761232B (fr) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2027474B (en) * | 1978-07-14 | 1982-12-01 | Coal Ind | Mineral mining indstallation |
DE3237969A1 (de) * | 1981-10-23 | 1983-05-05 | Dobson Park Industries PLC, Colwick, Nottingham | Wandernder strecken- oder stallausbau |
DE3210791A1 (de) * | 1982-03-24 | 1983-10-06 | Ruhrkohle Ag | Im ausbau integrierter wetter- und fluchtweg |
DE3218495A1 (de) * | 1982-05-15 | 1983-11-17 | Gebr. Eickhoff Maschinenfabrik U. Eisengiesserei Mbh, 4630 Bochum | Vorrichtung zum hereingewinnen maechtiger floeze im untertagebergbau, insbesondere beim abbau von restpfeilern oder beim auffahren eines breitaufhauens |
FR2572126B1 (fr) * | 1984-10-24 | 1987-11-27 | Midi Houilleres Bassin Centre | Dispositif mecanise comportant deux rabots pour l'abattage de minerai dans une taille |
DE3718478A1 (de) * | 1987-06-02 | 1988-12-22 | G Pk Exi Ugolnogo Mash | Kohlengewinnungsaggregat fuer steiles einfallen |
DE4024250C3 (de) * | 1990-07-31 | 1999-09-09 | Linsingen Heintzmann | Anordnung zum Hereingewinnen von als Flöz abgelagerten Mineralien, insbesondere von Kohle |
DE102008047582B3 (de) * | 2008-09-17 | 2010-02-04 | Rag Aktiengesellschaft | Strebausrüstung mit einem höhenverstellbar auf dem Strebförderer geführten Walzenschrämlader |
DE102009006191A1 (de) * | 2009-01-27 | 2010-07-29 | Marco Systemanalyse Und Entwicklung Gmbh | Verfahren zum Abbau von Kohle |
RU2514059C2 (ru) * | 2011-10-25 | 2014-04-27 | Александр Александрович Перфилов | Механизированная крепь для крутых пластов |
RU2535579C1 (ru) * | 2013-10-30 | 2014-12-20 | Александр Александрович Перфилов | Механизированная крепь для наклонных пластов |
RU2539067C1 (ru) * | 2014-01-14 | 2015-01-10 | Александр Александрович Перфилов | Механизированная крепь для наклонных пластов |
CN113586104A (zh) * | 2021-07-21 | 2021-11-02 | 山西中煤担水沟煤业有限公司 | 一种液压支架操纵阀组的安全限位装置及液压支架 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1232899B (de) * | 1961-07-31 | 1967-01-26 | Eisengiesserei A Beien | Mechanisierte Gewinnungs- und Foerdervorrichtung |
US3280570A (en) * | 1964-03-23 | 1966-10-25 | Gullick Ltd | Coal face man-riding carriage |
DE1288042B (fr) * | 1965-03-04 | |||
BE789390A (fr) * | 1971-10-02 | 1973-01-15 | Gewerk Eisenhuette Westfalia | Chassis de soutenement a boucliers |
-
1975
- 1975-03-06 DE DE2509810A patent/DE2509810C3/de not_active Expired
- 1975-12-17 FR FR7538628A patent/FR2303155A1/fr active Granted
-
1976
- 1976-02-02 CS CS76638A patent/CS209867B2/cs unknown
- 1976-03-02 SU SU762329556A patent/SU694091A3/ru active
- 1976-03-02 ZA ZA761232A patent/ZA761232B/xx unknown
- 1976-03-04 CA CA247,260A patent/CA1029403A/fr not_active Expired
- 1976-03-04 GB GB8693/76A patent/GB1481155A/en not_active Expired
- 1976-03-04 US US05/663,647 patent/US4029361A/en not_active Expired - Lifetime
- 1976-03-05 PL PL1976187733A patent/PL108210B1/pl unknown
Also Published As
Publication number | Publication date |
---|---|
CA1029403A (fr) | 1978-04-11 |
PL108210B1 (pl) | 1980-03-31 |
CS209867B2 (en) | 1981-12-31 |
ZA761232B (en) | 1977-02-23 |
US4029361A (en) | 1977-06-14 |
GB1481155A (en) | 1977-07-27 |
SU694091A3 (ru) | 1979-10-25 |
AU1161576A (en) | 1977-09-08 |
DE2509810B2 (de) | 1978-08-03 |
FR2303155A1 (fr) | 1976-10-01 |
DE2509810A1 (de) | 1976-09-16 |
DE2509810C3 (de) | 1979-04-05 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |