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BE749748A - PERFECTED MARKET SUPPORT FOR LONG SIZE MINING - Google Patents

PERFECTED MARKET SUPPORT FOR LONG SIZE MINING

Info

Publication number
BE749748A
BE749748A BE749748DA BE749748A BE 749748 A BE749748 A BE 749748A BE 749748D A BE749748D A BE 749748DA BE 749748 A BE749748 A BE 749748A
Authority
BE
Belgium
Prior art keywords
perfected
long size
market support
size mining
mining
Prior art date
Application number
Other languages
French (fr)
Original Assignee
Banyaszati Kutato Intezet
Orszagos Banyagepgyarto Vallal
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 by Banyaszati Kutato Intezet, Orszagos Banyagepgyarto Vallal filed Critical Banyaszati Kutato Intezet
Publication of BE749748A publication Critical patent/BE749748A/en

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

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)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Structure Of Belt Conveyors (AREA)
BE749748D 1969-04-29 1970-04-29 PERFECTED MARKET SUPPORT FOR LONG SIZE MINING BE749748A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HUBA002203 1969-04-29

Publications (1)

Publication Number Publication Date
BE749748A true BE749748A (en) 1970-10-01

Family

ID=10993315

Family Applications (1)

Application Number Title Priority Date Filing Date
BE749748D BE749748A (en) 1969-04-29 1970-04-29 PERFECTED MARKET SUPPORT FOR LONG SIZE MINING

Country Status (7)

Country Link
BE (1) BE749748A (en)
ES (1) ES378039A1 (en)
FR (1) FR2040387A1 (en)
GB (1) GB1299216A (en)
PL (1) PL81261B1 (en)
RO (1) RO65392A (en)
YU (1) YU34599B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE789390A (en) * 1971-10-02 1973-01-15 Gewerk Eisenhuette Westfalia SHIELD SUPPORT FRAMES
CN106285750A (en) * 2016-08-30 2017-01-04 高净净 A kind of keep straight on, can turn and move improved structure and the using method of frame
CN108468560B (en) * 2018-05-30 2024-03-26 西安科技大学 Device and method for mining pseudo-depression inclined long-wall Z-shaped bracket of steep coal seam
CN110644987A (en) * 2019-08-15 2020-01-03 天地科技股份有限公司上海分公司 Coal mining machine anti-stacking structure and coal mining machine with same
CN113464188A (en) * 2021-08-20 2021-10-01 新汶矿业集团有限责任公司孙村煤矿 Supporting device for coal mine tunnel and implementation method thereof
CN116291655B (en) * 2023-05-22 2023-08-04 山西中煤东坡煤业有限公司 Coal mine roadway supporting equipment

Also Published As

Publication number Publication date
DE1958322A1 (en) 1970-11-12
ES378039A1 (en) 1973-01-16
PL81261B1 (en) 1975-08-30
DE1958322B2 (en) 1977-04-07
RO65392A (en) 1979-07-15
FR2040387A1 (en) 1971-01-22
YU34599B (en) 1979-10-31
GB1299216A (en) 1972-12-13
YU109070A (en) 1979-04-30

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: ORSZAGOS BANYAGEPGYARTO VALLALAT

Effective date: 19870430

Owner name: VARPALOTAI SZENBANYAK

Effective date: 19870430

Owner name: BANYASZATI KUTATO INTEZET

Effective date: 19870430