GB1416488A - Mine roof support assembly - Google Patents

Mine roof support assembly

Info

Publication number
GB1416488A
GB1416488A GB4682273A GB4682273A GB1416488A GB 1416488 A GB1416488 A GB 1416488A GB 4682273 A GB4682273 A GB 4682273A GB 4682273 A GB4682273 A GB 4682273A GB 1416488 A GB1416488 A GB 1416488A
Authority
GB
United Kingdom
Prior art keywords
screen
mine roof
seals
roof support
support assembly
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
GB4682273A
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.)
Bergwerksverband GmbH
Original Assignee
Bergwerksverband 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 Bergwerksverband GmbH filed Critical Bergwerksverband GmbH
Publication of GB1416488A publication Critical patent/GB1416488A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F15/00—Methods or devices for placing filling-up materials in underground workings
    • E21F15/02—Supporting means, e.g. shuttering, for filling-up materials
    • E21F15/04—Stowing mats; Goaf wire netting; Partition walls
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • E21D23/0481—Supports specially adapted for use in combination with the placing of filling-up materials

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)
  • Tents Or Canopies (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Gasket Seals (AREA)
  • Soil Working Implements (AREA)

Abstract

1416488 Advancing mine roof supports with screens s BERGWERKSVERBAND GmbH 8 Oct 1973 [6 Oct 1972] 46822/73 Heading E1P In an advancing mine roof support system comprising supports 7, 8 adapted to be sequentially advanced, each support is provided with a rigid, flat, screen on its goaf side and each screen is provided at least along its two vertical edges with a flexible seal 2. The upper and lower edges of the screen may also be provided with seals 20, the elastic seals being in the form of loops which are secured to the screen by fastening strips 4 and are preferably re-inforced by spring webs 3. The vertical seals of adjacent props overlap and each screen is secured to its prop by holders 5.
GB4682273A 1972-10-06 1973-10-08 Mine roof support assembly Expired GB1416488A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722249155 DE2249155C3 (en) 1972-10-06 1972-10-06 Offset shielding for hydraulic support frames

Publications (1)

Publication Number Publication Date
GB1416488A true GB1416488A (en) 1975-12-03

Family

ID=5858384

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4682273A Expired GB1416488A (en) 1972-10-06 1973-10-08 Mine roof support assembly

Country Status (3)

Country Link
DE (1) DE2249155C3 (en)
FR (1) FR2202228B2 (en)
GB (1) GB1416488A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11008860B2 (en) 2015-06-24 2021-05-18 Manchao He Equipment system for no-roadway no-coal-pillar retained roadway mining method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11008860B2 (en) 2015-06-24 2021-05-18 Manchao He Equipment system for no-roadway no-coal-pillar retained roadway mining method

Also Published As

Publication number Publication date
DE2249155B2 (en) 1974-10-17
DE2249155A1 (en) 1974-04-11
DE2249155C3 (en) 1975-06-12
FR2202228B2 (en) 1978-10-20
FR2202228A2 (en) 1974-05-03

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee