ZA836136B - Mine roof supports - Google Patents

Mine roof supports

Info

Publication number
ZA836136B
ZA836136B ZA836136A ZA836136A ZA836136B ZA 836136 B ZA836136 B ZA 836136B ZA 836136 A ZA836136 A ZA 836136A ZA 836136 A ZA836136 A ZA 836136A ZA 836136 B ZA836136 B ZA 836136B
Authority
ZA
South Africa
Prior art keywords
mine roof
roof supports
supports
mine
roof
Prior art date
Application number
ZA836136A
Inventor
John Eckersley
John Halton
Kenneth David Prescott
Original Assignee
Dobson Park Ind
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 Dobson Park Ind filed Critical Dobson Park Ind
Publication of ZA836136B publication Critical patent/ZA836136B/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
    • 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

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)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Telephone Set Structure (AREA)
ZA836136A 1982-09-24 1983-08-19 Mine roof supports ZA836136B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08227327A GB2127885B (en) 1982-09-24 1982-09-24 Mine roof support

Publications (1)

Publication Number Publication Date
ZA836136B true ZA836136B (en) 1984-05-30

Family

ID=10533153

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA836136A ZA836136B (en) 1982-09-24 1983-08-19 Mine roof supports

Country Status (6)

Country Link
BR (1) BR8304976A (en)
DE (2) DE8327162U1 (en)
GB (1) GB2127885B (en)
IN (1) IN157987B (en)
MX (1) MX156421A (en)
ZA (1) ZA836136B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109763854A (en) * 2019-04-02 2019-05-17 辽宁鑫丰矿业（集团）有限公司 Integrated construction method is installed by mobile temporary supporting device and expansion side
CN113217048A (en) * 2021-06-07 2021-08-06 四川华蓥山广能集团嘉华机械有限责任公司 Roadside support bracket group for large-inclination gob-side entry retaining

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1150261A (en) * 1965-07-17 1969-04-30 Dobson Ltd W E & F An Improved Mine Roof Support.
GB1516637A (en) * 1974-11-23 1978-07-05 Gullick Dobson Ltd Mine roof supports
GB1521970A (en) * 1975-10-17 1978-08-23 Mastabar Mining Equipment Co L Mine roof supports
GB1569822A (en) * 1976-02-03 1980-06-18 Bochumer Eisen Heintzmann Roof-supporting frame of the caving shield type for underground workings in mines
AT350991B (en) * 1977-11-14 1979-06-25 Voest Ag SHIELD STRUCTURE
DE2840835C2 (en) * 1978-09-20 1986-03-06 Klöckner-Becorit GmbH, 4620 Castrop-Rauxel Shield support frame for underground longwall mining
PL123664B1 (en) * 1979-11-23 1982-11-30 Ct Kt Maszyn Gorniczych Komag Wall cavity lining

Also Published As

Publication number Publication date
IN157987B (en) 1986-08-09
BR8304976A (en) 1984-09-04
GB2127885A (en) 1984-04-18
DE3334184A1 (en) 1984-03-29
GB2127885B (en) 1986-02-26
DE8327162U1 (en) 1983-12-29
MX156421A (en) 1988-08-19

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