FR2156656B1 - - Google Patents
Info
- Publication number
- FR2156656B1 FR2156656B1 FR7234521A FR7234521A FR2156656B1 FR 2156656 B1 FR2156656 B1 FR 2156656B1 FR 7234521 A FR7234521 A FR 7234521A FR 7234521 A FR7234521 A FR 7234521A FR 2156656 B1 FR2156656 B1 FR 2156656B1
- 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
- E21D23/04—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
- E21D23/0004—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
- E21D23/0043—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 two or more rows 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)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Lining And Supports For Tunnels (AREA)
- Framework For Endless Conveyors (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19712149380 DE2149380C3 (de) | 1971-10-02 | 1971-10-02 | Strebausbaugestell |
DE19722217830 DE2217830C3 (de) | 1972-04-13 | 1972-04-13 | Schildausbaugestell |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2156656A1 FR2156656A1 (de) | 1973-06-01 |
FR2156656B1 true FR2156656B1 (de) | 1976-10-29 |
Family
ID=25761820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7234521A Expired FR2156656B1 (de) | 1971-10-02 | 1972-09-29 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3830070A (de) |
JP (1) | JPS4842549A (de) |
BE (1) | BE789390A (de) |
FR (1) | FR2156656B1 (de) |
GB (1) | GB1410664A (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3898845A (en) * | 1973-01-31 | 1975-08-12 | Gewerk Eisenhuette Westfalia | Mineral mining installations |
DE2309670C2 (de) * | 1973-02-27 | 1974-09-05 | Becorit Grubenausbau Gmbh, 4350 Recklinghausen | Mit einer Versatzabschirmung versehenes Ausbaugestell für den Strebausbau im untertägigen Grubenbetrieb |
JPS5715278B2 (de) * | 1973-07-14 | 1982-03-29 | ||
GB1477136A (en) * | 1973-10-18 | 1977-06-22 | Dowty Mining Equipment Ltd | Mine roof support |
US4010618A (en) * | 1974-01-19 | 1977-03-08 | Dowty Mining Equipment Limited | Mine roof support |
DE2416306C2 (de) * | 1974-04-04 | 1979-12-06 | Becorit Grubenausbau Gmbh, 4350 Recklinghausen | Bruch- und Versatzabschirmung für einen Schildausbau für untertägige Grubenbetriebe |
FR2268263B1 (de) * | 1974-04-18 | 1979-03-30 | Hochiki Co | |
DE2451747C2 (de) * | 1974-10-31 | 1977-09-15 | Rheinstahl Ag | Schildartiges ausbaugestell |
GB1526399A (en) * | 1974-12-18 | 1978-09-27 | Dowty Mining Equipment Ltd | Mine roof support |
DE2459792A1 (de) * | 1974-12-18 | 1976-07-01 | Gewerk Eisenhuette Westfalia | Schildausbaugestell |
DE2509810C3 (de) * | 1975-03-06 | 1979-04-05 | Gewerkschaft Eisenhuette Westfalia, 4670 Luenen | Schreitender Ausbau für den Einsatz in mächtigen Flözen |
DE2748396C2 (de) * | 1977-10-28 | 1985-08-08 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Höhenveränderliche Versatzabschirmung, insbesondere für Blasversatzbetriebe |
DE2800004A1 (de) * | 1978-01-02 | 1979-07-12 | Gewerk Eisenhuette Westfalia | Ausbaubock fuer den untertaegigen bergbau |
DE3023282A1 (de) * | 1980-06-21 | 1982-01-21 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Schildbock, insbesondere fuer den einsatz beim abbau maechtiger lagerstaetten im scheibenbau |
CN101943016A (zh) * | 2010-08-17 | 2011-01-12 | 天地科技股份有限公司 | 极薄煤层新型掩护式综采液压支架 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1389622A (fr) * | 1964-01-10 | 1965-02-19 | Dispositif de soutènement déplaçable de toit de mine, combiné avec un vérin de ripage d'un convoyeur | |
GB1061071A (en) * | 1964-03-20 | 1967-03-08 | Gullick Ltd | Improvements in or relating to mine roof supports |
GB1036663A (en) * | 1964-04-03 | 1966-07-20 | Gullick Ltd | Improvements in or relating to mine roof and like supports |
DE1219892B (de) * | 1964-11-14 | 1966-06-30 | Gewerk Eisenhuette Westfalia | Steuerung eines Kohlenhobels |
FR1426731A (fr) * | 1965-03-18 | 1966-01-28 | Gullick Ltd | Perfectionnements apportés aux soutènements de toit de mine et similaires |
GB1124665A (en) * | 1966-04-29 | 1968-08-21 | Gullick Ltd | Improvements in or relating to mine roof supports |
FR1503990A (fr) * | 1966-10-11 | 1967-12-01 | Bennes Marrel | Perfectionnements aux piles de soutènement, notamment pour les mines ou pour les chantiers souterrains |
FR1520313A (fr) * | 1967-04-25 | 1968-04-05 | Gullick Ltd | Perfectionnements relatifs aux soutènements de mine |
US3564857A (en) * | 1969-01-23 | 1971-02-23 | Hans Joachim Von Hippel | Apparatus for protecting underground excavations against collapse |
RO65392A (fr) * | 1969-04-29 | 1979-07-15 | Banyaszati Kutato Intezet | Bouclier d'abatage |
DE1937308C3 (de) * | 1969-07-23 | 1983-12-15 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Schildausbauelement |
DE2027299A1 (de) * | 1970-06-03 | 1971-12-09 | Klöckner-Werke ,4100 Duisburg | Kappenzug für Ausbaurahmen des wandernden Strebausbaus |
-
0
- BE BE789390D patent/BE789390A/xx not_active IP Right Cessation
-
1972
- 1972-09-29 FR FR7234521A patent/FR2156656B1/fr not_active Expired
- 1972-10-02 JP JP47098094A patent/JPS4842549A/ja active Pending
- 1972-10-02 GB GB4534272A patent/GB1410664A/en not_active Expired
- 1972-10-02 US US00293895A patent/US3830070A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS4842549A (de) | 1973-06-20 |
FR2156656A1 (de) | 1973-06-01 |
US3830070A (en) | 1974-08-20 |
BE789390A (fr) | 1973-01-15 |
GB1410664A (en) | 1975-10-22 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |