GB1472438A - Mine stowing dam - Google Patents

Mine stowing dam

Info

Publication number
GB1472438A
GB1472438A GB5390574A GB5390574A GB1472438A GB 1472438 A GB1472438 A GB 1472438A GB 5390574 A GB5390574 A GB 5390574A GB 5390574 A GB5390574 A GB 5390574A GB 1472438 A GB1472438 A GB 1472438A
Authority
GB
United Kingdom
Prior art keywords
supports
stowing
frames
fixed
mine
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
GB5390574A
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.)
GORNICZOHUTNICZY MIEDZI ZAKTAD
Original Assignee
GORNICZOHUTNICZY MIEDZI ZAKTAD
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 GORNICZOHUTNICZY MIEDZI ZAKTAD filed Critical GORNICZOHUTNICZY MIEDZI ZAKTAD
Publication of GB1472438A publication Critical patent/GB1472438A/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
    • E21D23/0481—Supports specially adapted for use in combination with the placing of filling-up materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Tents Or Canopies (AREA)
  • Revetment (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)

Abstract

1472438 Mine roof supports; goaf stowing KOMBINAT GORNICZO-HUTNICZY MIEDZI ZAKLADY BADAWCZE I PROJEKTOWE MIEDZI CUPRUM 13 Dec 1974 [2 Jan 1974] 53905/74 Headings E1F and E1P In a mine roof support assembly comprising supports A, B and a continuous stowing cloth fastened at its upper edge to upper frames fixed to the roof bars of the supports and at its lower edge to lower frames fixed to the lower parts of the props, the space between adjacent frames is protected by a part of the cloth adhering to an elastic shield 6 which is fixed to one of the frames of one of the supports and rests on the frame of an adjacent support.
GB5390574A 1974-01-02 1974-12-13 Mine stowing dam Expired GB1472438A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL16788974A PL87849B1 (en) 1974-01-02 1974-01-02

Publications (1)

Publication Number Publication Date
GB1472438A true GB1472438A (en) 1977-05-04

Family

ID=19965585

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5390574A Expired GB1472438A (en) 1974-01-02 1974-12-13 Mine stowing dam

Country Status (2)

Country Link
GB (1) GB1472438A (en)
PL (1) PL87849B1 (en)

Also Published As

Publication number Publication date
DE2461358A1 (en) 1975-07-10
DE2461358B2 (en) 1977-04-28
PL87849B1 (en) 1976-07-31

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Legal Events

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