BE848593A - Soutenement pour la zone de jonction d'une taille, - Google Patents
Soutenement pour la zone de jonction d'une taille,Info
- Publication number
- BE848593A BE848593A BE172561A BE172561A BE848593A BE 848593 A BE848593 A BE 848593A BE 172561 A BE172561 A BE 172561A BE 172561 A BE172561 A BE 172561A BE 848593 A BE848593 A BE 848593A
- Authority
- BE
- Belgium
- Prior art keywords
- size
- support
- junction zone
- junction
- zone
- 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
- E21D23/0004—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
-
- 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
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)
- Excavating Of Shafts Or Tunnels (AREA)
- Tents Or Canopies (AREA)
- Prostheses (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
- Building Environments (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2646563A DE2646563C3 (de) | 1976-10-15 | 1976-10-15 | Ausbau für den Saumbereich eines Strebs |
Publications (1)
Publication Number | Publication Date |
---|---|
BE848593A true BE848593A (fr) | 1977-03-16 |
Family
ID=5990521
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE172561A BE848593A (fr) | 1976-10-15 | 1976-11-22 | Soutenement pour la zone de jonction d'une taille, |
Country Status (5)
Country | Link |
---|---|
US (1) | US4094153A (fr) |
BE (1) | BE848593A (fr) |
DE (1) | DE2646563C3 (fr) |
FR (1) | FR2367906A1 (fr) |
GB (1) | GB1564964A (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3024465A1 (de) * | 1980-06-28 | 1982-01-28 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Schreitender ausbau fuer untertaegige gewinnungsbetriebe, insbesondere schildausbau |
GB2192021B (en) * | 1986-06-26 | 1990-03-21 | Gullick Dobson Ltd | A roof engaging structure for a mine roof support |
RU2015102555A (ru) * | 2009-07-10 | 2015-06-20 | Джой ММ Делавэр, Инк. | Кровельная опора сопряжения, кровельная опора главного штрека и врубовая установка сплошной выемки |
AU2012253219B2 (en) * | 2011-05-09 | 2016-08-11 | Caterpillar Global Mining Europe Gmbh | Drive system |
CN102926781B (zh) * | 2012-10-22 | 2016-03-02 | 天地科技股份有限公司 | 一种沿空留巷用反连杆机构支护设备 |
CN103174446A (zh) * | 2013-03-15 | 2013-06-26 | 四川省华蓥山煤业股份有限公司李子垭南煤矿 | 一种用于煤矿综采工作面的架间挡矸方法及挡矸装置 |
CN106168131B (zh) * | 2015-06-24 | 2018-05-18 | 北京中矿创新联盟能源环境科学研究院 | 无巷道无煤柱自留巷开采工法的装备*** |
CN105626114B (zh) * | 2016-01-28 | 2017-12-22 | 中国矿业大学(北京) | 一种全接顶充填液压支架 |
CN110206542B (zh) * | 2019-04-16 | 2020-05-05 | 中国矿业大学(北京) | 适用于厚煤层综采放顶煤的无煤柱自成巷开采方法 |
CN113074011A (zh) * | 2021-04-22 | 2021-07-06 | 天地科技股份有限公司 | 一种用于煤矿破碎顶板综采工作面的沿空留巷充填支护*** |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE727824A (fr) * | 1968-03-12 | 1969-07-16 | ||
DE6902441U (de) * | 1969-01-23 | 1969-05-22 | Kloeckner Werke Ag | Dreirahmengespann fuer den schreitenden strebausbau mit einer an seinen versatzseitigen stempeln angebrachten versatzabkleidung |
GB1311279A (en) * | 1969-09-30 | 1973-03-28 | Gullick Dobson Ltd | Mine face end arrangements |
DE2032208C3 (de) * | 1970-06-30 | 1986-06-19 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Hydraulisch wandernde Ausbaugestelle |
GB1387311A (en) * | 1972-03-24 | 1975-03-12 | Gullick Dobson Ltd | Mine roof supports |
FR2257776A1 (en) * | 1974-01-10 | 1975-08-08 | Nord Pas Calais Houilleres | Base frame for self advancing roof support - is fitted with two guide frames joined by longitudinal and lateral linkage |
US4010618A (en) * | 1974-01-19 | 1977-03-08 | Dowty Mining Equipment Limited | Mine roof support |
GB1512001A (en) * | 1974-01-19 | 1978-05-24 | Dowty Mining Equipment Ltd | Mine roof support |
GB1504883A (en) * | 1974-06-04 | 1978-03-22 | Gullick Dobson Ltd | Mine roof supports |
-
1976
- 1976-10-15 DE DE2646563A patent/DE2646563C3/de not_active Expired
- 1976-11-19 GB GB48482/76A patent/GB1564964A/en not_active Expired
- 1976-11-22 FR FR7635115A patent/FR2367906A1/fr active Granted
- 1976-11-22 BE BE172561A patent/BE848593A/fr not_active IP Right Cessation
- 1976-12-09 US US05/748,911 patent/US4094153A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE2646563C3 (de) | 1979-08-09 |
GB1564964A (en) | 1980-04-16 |
DE2646563A1 (de) | 1978-04-20 |
FR2367906A1 (fr) | 1978-05-12 |
DE2646563B2 (de) | 1978-12-07 |
US4094153A (en) | 1978-06-13 |
FR2367906B1 (fr) | 1982-12-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2352997A1 (fr) | Joint d'etancheite pour une piece tournante | |
BE852226A (fr) | Collier d'attache pour tuyau | |
BE853496A (fr) | Collier pour tube | |
NL7700935A (nl) | Giettuit. | |
BE850870A (fr) | Support pour tuyaux | |
FR2348493A1 (fr) | Immunotest pour la diphenyl-hydantoine | |
BE860130A (fr) | Installation pour l'ebarbage de pieces | |
BE853364A (fr) | Production de l'isobutylene | |
BE860140A (fr) | Catalyseurs pour la production de polyurethannes | |
BE848593A (fr) | Soutenement pour la zone de jonction d'une taille, | |
FR2351640A1 (fr) | Collier metallique pour applications d'orthopedie dento-faciale | |
IT1086475B (it) | Riduttore di velocita' concentrico | |
FR2346165A1 (fr) | Support pour ouvrages de reference | |
BE859325A (fr) | Procede pour la chloration dirigee d'alcoylbenzenes | |
FR2307955A1 (fr) | Soutenement de la couronne d'une mine | |
FR2322949A1 (fr) | Dispositif pour la formation de la foule d'une machine a tisser circulaire a foule ondulante | |
FR2342038A1 (fr) | Ensemble pour la realisation d'un vetement | |
FR2328104A1 (fr) | Dispositif de soutenement en continu d'une galerie | |
BE810300A (fr) | Agents d'encollage anioniques | |
FR2302195A1 (fr) | Machine pour la fabrication d'objets en forme de feuilles | |
FR2338375A1 (fr) | Unite de soutenement pour chantiers d'abattage souterrains | |
BE882569A (fr) | Collier pour tuyau | |
BE855245A (fr) | Doublure pour conteneur | |
FR2353449A1 (fr) | Doublure pour conteneur | |
IT1077842B (it) | Tornio verticale |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: BOCHUMER EISENHUTTE HEINTZMANN G.M.B.H. & CO. Effective date: 19931130 |