GB976644A - Advancing mine roof support systems - Google Patents

Advancing mine roof support systems

Info

Publication number
GB976644A
GB976644A GB4178661A GB4178661A GB976644A GB 976644 A GB976644 A GB 976644A GB 4178661 A GB4178661 A GB 4178661A GB 4178661 A GB4178661 A GB 4178661A GB 976644 A GB976644 A GB 976644A
Authority
GB
United Kingdom
Prior art keywords
roof support
mine roof
frame assembly
advancing mine
frames
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.)
Expired
Application number
GB4178661A
Inventor
Alois Hauschopp
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
Priority to GB4178661A priority Critical patent/GB976644A/en
Publication of GB976644A publication Critical patent/GB976644A/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
    • E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith
    • 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
    • E21D23/0047—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor without essential shifting devices

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)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

976,644. Advancing mine roof supports. GEWERKSHAFT EISENHUTTE WESTFALIA. Nov. 22, 1961, No. 41786/61. Heading E1E. In an advancing mine roof support system for steep measures wherein a roof support frame assembly is added at the upper end of the face gallery whilst a like frame assembly is removed at the lower end thereof, each frame assembly consists of two releasable, rigid triangular frames 10, 11 arranged relatively displaceable along their longest sides, as shown. The frames are advanced by winches 17, 18 and are interconnected by chain links 19, the frames 11 incorporating goaf screens 20.
GB4178661A 1961-11-22 1961-11-22 Advancing mine roof support systems Expired GB976644A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4178661A GB976644A (en) 1961-11-22 1961-11-22 Advancing mine roof support systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4178661A GB976644A (en) 1961-11-22 1961-11-22 Advancing mine roof support systems

Publications (1)

Publication Number Publication Date
GB976644A true GB976644A (en) 1964-12-02

Family

ID=10421361

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4178661A Expired GB976644A (en) 1961-11-22 1961-11-22 Advancing mine roof support systems

Country Status (1)

Country Link
GB (1) GB976644A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5846298A (en) * 1997-05-09 1998-12-08 Air Products And Chemicals, Inc. Ozone recovery by zeolite adsorbents

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5846298A (en) * 1997-05-09 1998-12-08 Air Products And Chemicals, Inc. Ozone recovery by zeolite adsorbents

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