[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

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
Application number
BE172561A
Other languages
English (en)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of BE848593A publication Critical patent/BE848593A/fr

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)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Prostheses (AREA)
  • Building Environments (AREA)
BE172561A 1976-10-15 1976-11-22 Soutenement pour la zone de jonction d'une taille, BE848593A (fr)

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)

* Cited by examiner, † Cited by third party
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
US8590982B2 (en) * 2009-07-10 2013-11-26 Joy Mm Delaware, Inc. Longwall mining roof supports
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系统
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系统

Family Cites Families (9)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
DE2646563A1 (de) 1978-04-20
DE2646563B2 (de) 1978-12-07
GB1564964A (en) 1980-04-16
DE2646563C3 (de) 1979-08-09
FR2367906B1 (fr) 1982-12-10
US4094153A (en) 1978-06-13
FR2367906A1 (fr) 1978-05-12

Similar Documents

Publication Publication Date Title
FR2352997A1 (fr) Joint d'etancheite pour une piece tournante
BE852226A (fr) Collier d'attache pour tuyau
FR2348423A1 (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
FR2340983A1 (fr) Activateurs pour percomposes
IT1086475B (it) Riduttore di velocita' concentrico
FR2346165A1 (fr) Support pour ouvrages de reference
BE859325A (fr) Procede pour la chloration dirigee d'alcoylbenzenes
BE840800A (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
BE810302A (fr) Agents d'encollage anioniques
BE882569A (fr) Collier pour tuyau
FR2353450A1 (fr) Doublure pour conteneur

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: BOCHUMER EISENHUTTE HEINTZMANN G.M.B.H. & CO.

Effective date: 19931130