AU466853B2 - Improvements in or relating to mine roof support - Google Patents

Improvements in or relating to mine roof support

Info

Publication number
AU466853B2
AU466853B2 AU53457/73A AU5345773A AU466853B2 AU 466853 B2 AU466853 B2 AU 466853B2 AU 53457/73 A AU53457/73 A AU 53457/73A AU 5345773 A AU5345773 A AU 5345773A AU 466853 B2 AU466853 B2 AU 466853B2
Authority
AU
Australia
Prior art keywords
relating
roof support
mine roof
mine
support
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
AU53457/73A
Other versions
AU5345773A (en
Inventor
Dawson Allen Archelaus
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.)
Gullick Dobson Ltd
Original Assignee
Gullick Dobson Ltd
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 Gullick Dobson Ltd filed Critical Gullick Dobson Ltd
Publication of AU5345773A publication Critical patent/AU5345773A/en
Application granted granted Critical
Publication of AU466853B2 publication Critical patent/AU466853B2/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
    • E21D23/0004—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
    • E21D23/0017—Pile type supports
    • E21D23/003—Pile type supports consisting of a rigid pile
    • 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
    • E21D23/03—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor having protective means, e.g. shields, for preventing or impeding entry of loose material into the working space or support

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)
  • Excavating Of Shafts Or Tunnels (AREA)
AU53457/73A 1972-03-24 1973-03-19 Improvements in or relating to mine roof support Expired AU466853B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1397272A GB1387311A (en) 1972-03-24 1972-03-24 Mine roof supports
GBGB13972 1972-03-24

Publications (2)

Publication Number Publication Date
AU5345773A AU5345773A (en) 1974-09-19
AU466853B2 true AU466853B2 (en) 1975-11-13

Family

ID=10032710

Family Applications (1)

Application Number Title Priority Date Filing Date
AU53457/73A Expired AU466853B2 (en) 1972-03-24 1973-03-19 Improvements in or relating to mine roof support

Country Status (4)

Country Link
US (1) US3848420A (en)
AU (1) AU466853B2 (en)
GB (1) GB1387311A (en)
PL (1) PL84776B1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1494284A (en) * 1975-07-19 1977-12-07 Gullick Dobson Ltd Self-advancing mine roof supports
DE2646563C3 (en) * 1976-10-15 1979-08-09 Bochumer Eisenhuette Heintzmann Gmbh & Co, 4630 Bochum Expansion for the hem area of a longwall
JPS5416303A (en) * 1977-07-07 1979-02-06 Taiheiyo Eng Apparatus for controlling floated dust powder and like in long wall type coal mining face
DE3643120A1 (en) * 1986-01-22 1987-07-30 Voest Alpine Ag MOVABLE RACK
US5019651A (en) * 1990-06-20 1991-05-28 Merck & Co., Inc. Process for preparing 4-amino-1-hydroxybutylidene-1,1-bisphosphonic acid (ABP) or salts thereof
US5769504A (en) * 1996-03-11 1998-06-23 Council Of Scientific & Industrial Research Equipment for shortwall mining useful for extraction of pillars in underground coal mines
CN102472102B (en) 2009-07-10 2015-03-11 乔伊·姆·特拉华公司 Longwall mining roof supports
CN102536288A (en) * 2012-01-10 2012-07-04 中煤北京煤矿机械有限责任公司 Environment-friendly highwater filled support

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1124665A (en) * 1966-04-29 1968-08-21 Gullick Ltd Improvements in or relating to mine roof supports
GB1216322A (en) * 1967-04-21 1970-12-16 Dobson Ltd W E & F Improvements in or relating to mine roof supports
GB1206283A (en) * 1967-07-28 1970-09-23 Herbert Cotterill Ltd Improvements in or relating to mine roof supports
US3570255A (en) * 1968-06-10 1971-03-16 Mastabar Mining Equipment Co L Mine roof support
DE6902441U (en) * 1969-01-23 1969-05-22 Kloeckner Werke Ag THREE-FRAME TENSIONING FOR STEPPING STRUCTURAL STRUCTURE WITH AN OFFSET CLADDING AT ITS OFFSET SIDE STAMPS
DE2027299A1 (en) * 1970-06-03 1971-12-09 Klöckner-Werke ,4100 Duisburg Cap pull for the support frame of the traveling longwall mining

Also Published As

Publication number Publication date
US3848420A (en) 1974-11-19
AU5345773A (en) 1974-09-19
GB1387311A (en) 1975-03-12
PL84776B1 (en) 1976-04-30

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