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BE807641A - SHIELD SUPPORT DEVICE FOR UNDERGROUND WORKSITES - Google Patents

SHIELD SUPPORT DEVICE FOR UNDERGROUND WORKSITES

Info

Publication number
BE807641A
BE807641A BE138021A BE138021A BE807641A BE 807641 A BE807641 A BE 807641A BE 138021 A BE138021 A BE 138021A BE 138021 A BE138021 A BE 138021A BE 807641 A BE807641 A BE 807641A
Authority
BE
Belgium
Prior art keywords
support device
shield support
worksites
underground
underground worksites
Prior art date
Application number
BE138021A
Other languages
French (fr)
Original Assignee
Bochumer Eisen Heintzmann
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 Bochumer Eisen Heintzmann filed Critical Bochumer Eisen Heintzmann
Publication of BE807641A publication Critical patent/BE807641A/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
    • E21D23/04—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
    • E21D23/0039—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 a strut or by a row 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)
  • Lining And Supports For Tunnels (AREA)
BE138021A 1972-11-25 1973-11-22 SHIELD SUPPORT DEVICE FOR UNDERGROUND WORKSITES BE807641A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2257828A DE2257828C2 (en) 1972-11-25 1972-11-25 Device for the shield-like expansion of underground mining operations

Publications (1)

Publication Number Publication Date
BE807641A true BE807641A (en) 1974-05-22

Family

ID=5862694

Family Applications (1)

Application Number Title Priority Date Filing Date
BE138021A BE807641A (en) 1972-11-25 1973-11-22 SHIELD SUPPORT DEVICE FOR UNDERGROUND WORKSITES

Country Status (5)

Country Link
US (1) US3891275A (en)
BE (1) BE807641A (en)
DE (1) DE2257828C2 (en)
FR (1) FR2208048B3 (en)
GB (1) GB1438994A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1486906A (en) * 1974-09-07 1977-09-28 Peake C Mining apparatus
DE2800376A1 (en) * 1978-01-05 1979-07-19 Gewerk Eisenhuette Westfalia IN-HOUSE FOR AN EXTENSION FRAME OF AN UNDERGROUND MINERAL EXTRACTION PLANT
DE2803907C3 (en) * 1978-01-30 1982-09-23 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Detachable articulated connection for underground mining and its use on a longwall frame
DE2843857C2 (en) * 1978-10-07 1986-06-19 Bochumer Eisenhütte Heintzmann GmbH & Co, 4630 Bochum Shield support frame
GB2199068B (en) * 1986-12-23 1991-01-09 Gullick Dobson Ltd Mine roof supports
US6767200B2 (en) * 2001-09-28 2004-07-27 Mcneil-Ppc, Inc. Systems, methods and apparatuses for manufacturing dosage forms
AU2002951470A0 (en) * 2002-09-18 2002-10-03 Derrek William Batty A support device for a rib
WO2011006041A1 (en) * 2009-07-10 2011-01-13 Joy Mm Delaware, Inc. Longwall mining roof supports
CN116025355B (en) * 2023-03-28 2023-06-13 中煤科工集团沈阳研究院有限公司 Coal mining method for mining extremely thin coal seam

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2657028A (en) * 1949-06-15 1953-10-27 Joy Mfg Co Walking jack
DE2128023B2 (en) * 1971-06-05 1974-04-18 Kloeckner-Werke Ag, 4100 Duisburg Migrating longwall construction with side-by-side support shields
DE2159535C3 (en) * 1971-12-01 1979-01-04 Thyssen Industrie Ag, 4300 Essen Shield support frame
US3811288A (en) * 1972-05-15 1974-05-21 Kloeckner Werke Ag Traveling face support with an attached extensible shield

Also Published As

Publication number Publication date
DE2257828C2 (en) 1974-01-17
FR2208048B3 (en) 1976-10-01
GB1438994A (en) 1976-06-09
DE2257828B1 (en) 1973-06-20
US3891275A (en) 1975-06-24
FR2208048A1 (en) 1974-06-21

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