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ES503151A0 - IMPROVEMENTS IN SHIELD STANDS FOR THE EXPLOITATION OF THICK FIELDS - Google Patents

IMPROVEMENTS IN SHIELD STANDS FOR THE EXPLOITATION OF THICK FIELDS

Info

Publication number
ES503151A0
ES503151A0 ES503151A ES503151A ES503151A0 ES 503151 A0 ES503151 A0 ES 503151A0 ES 503151 A ES503151 A ES 503151A ES 503151 A ES503151 A ES 503151A ES 503151 A0 ES503151 A0 ES 503151A0
Authority
ES
Spain
Prior art keywords
exploitation
thick
fields
stands
shield
Prior art date
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.)
Granted
Application number
ES503151A
Other languages
Spanish (es)
Other versions
ES8204048A1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gewerkschaft Eisenhutte Westfalia GmbH
Original Assignee
Gewerkschaft Eisenhutte Westfalia GmbH
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 Gewerkschaft Eisenhutte Westfalia GmbH filed Critical Gewerkschaft Eisenhutte Westfalia GmbH
Publication of ES503151A0 publication Critical patent/ES503151A0/en
Publication of ES8204048A1 publication Critical patent/ES8204048A1/en
Expired legal-status Critical Current

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)
  • Excavating Of Shafts Or Tunnels (AREA)
  • General Details Of Gearings (AREA)
ES503151A 1980-06-21 1981-06-17 Thick deposit mine-working lemniscate gear shield block - has gear linked guide rod hinged to bottom part of articulated shield Expired ES8204048A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803023282 DE3023282A1 (en) 1980-06-21 1980-06-21 SHIELD BOCK, ESPECIALLY FOR USE IN THE DISASSEMBLY OF MIGHTY WAREHOUSES IN DISC BUILDING

Publications (2)

Publication Number Publication Date
ES503151A0 true ES503151A0 (en) 1982-04-16
ES8204048A1 ES8204048A1 (en) 1982-04-16

Family

ID=6105133

Family Applications (1)

Application Number Title Priority Date Filing Date
ES503151A Expired ES8204048A1 (en) 1980-06-21 1981-06-17 Thick deposit mine-working lemniscate gear shield block - has gear linked guide rod hinged to bottom part of articulated shield

Country Status (4)

Country Link
DE (1) DE3023282A1 (en)
ES (1) ES8204048A1 (en)
FR (1) FR2485084A1 (en)
YU (1) YU126681A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3511548C3 (en) * 1985-03-29 1993-12-23 Bilfinger Berger Bau Process for the subsequent production of a sealing layer under an existing landfill
GB2236136B (en) * 1989-09-21 1993-05-26 Dowty Mining Equipment Ltd A mine roof support assembly
CN105240039A (en) * 2015-10-29 2016-01-13 中国矿业大学 Float shaking type hydraulic bracket

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1937308C3 (en) * 1969-07-23 1983-12-15 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Shield support element
BE789390A (en) * 1971-10-02 1973-01-15 Gewerk Eisenhuette Westfalia SHIELD SUPPORT FRAMES
GB1517763A (en) * 1974-07-02 1978-07-12 Winkler J Underground mine roof support
AT337639B (en) * 1975-09-26 1977-07-11 Voest Alpine Montan Ag SHIELD EXPANSION
DE2705460A1 (en) * 1977-02-10 1978-08-17 Hemscheidt Maschf Hermann Mine gallery roof drilling protective support - has overhead sloping plate with opening for drill between front and rear supports
DE2748396C2 (en) * 1977-10-28 1985-08-08 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Height-adjustable offset shield, especially for blow molding operations
DE2808487C2 (en) * 1978-02-28 1986-10-02 Gewerkschaft Eisenhütte Westfalia GmbH, 4670 Lünen Extraction facility for the extraction of seam-like deposits, especially of great thickness

Also Published As

Publication number Publication date
FR2485084B1 (en) 1984-02-17
YU126681A (en) 1983-12-31
DE3023282C2 (en) 1988-06-09
FR2485084A1 (en) 1981-12-24
DE3023282A1 (en) 1982-01-21
ES8204048A1 (en) 1982-04-16

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970203