AU464062B2 - Improvements in or relating to mine roof support systems - Google Patents

Improvements in or relating to mine roof support systems

Info

Publication number
AU464062B2
AU464062B2 AU44597/72A AU4459772A AU464062B2 AU 464062 B2 AU464062 B2 AU 464062B2 AU 44597/72 A AU44597/72 A AU 44597/72A AU 4459772 A AU4459772 A AU 4459772A AU 464062 B2 AU464062 B2 AU 464062B2
Authority
AU
Australia
Prior art keywords
relating
roof support
support systems
mine roof
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
AU44597/72A
Other versions
AU4459772A (en
Inventor
Dawson Allen Archeiarus
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 AU4459772A publication Critical patent/AU4459772A/en
Application granted granted Critical
Publication of AU464062B2 publication Critical patent/AU464062B2/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

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)
  • Pinball Game Machines (AREA)
AU44597/72A 1971-07-16 1972-07-14 Improvements in or relating to mine roof support systems Expired AU464062B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB3342471A GB1394675A (en) 1971-07-16 1971-07-16 Mine roof support systems
GBGB33424 1971-07-16

Publications (2)

Publication Number Publication Date
AU4459772A AU4459772A (en) 1974-01-17
AU464062B2 true AU464062B2 (en) 1975-08-14

Family

ID=10352787

Family Applications (1)

Application Number Title Priority Date Filing Date
AU44597/72A Expired AU464062B2 (en) 1971-07-16 1972-07-14 Improvements in or relating to mine roof support systems

Country Status (4)

Country Link
US (1) US3812681A (en)
AU (1) AU464062B2 (en)
DE (1) DE2233751A1 (en)
GB (1) GB1394675A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2928150C2 (en) * 1979-07-12 1981-12-17 Bochumer Eisenhütte Heintzmann GmbH & Co, 4630 Bochum Shield support frame
DE2928151C2 (en) * 1979-07-12 1982-06-16 Bochumer Eisenhütte Heintzmann GmbH & Co, 4630 Bochum Extension frame
DE2942943C2 (en) * 1979-10-24 1981-11-26 Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal Device for maintaining the specified center-to-center distance of the support elements of a step support for the dismantling of long fronts
DE3024465A1 (en) * 1980-06-28 1982-01-28 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen PROGRESSIVE EXTENSION FOR UNDERGROUND EXTRACTION COMPANIES, IN PARTICULAR SHIELD REMOVAL
DE19712413C1 (en) * 1997-03-25 1998-02-26 Georg Gottschlich Hydraulic consolidation frame for coal face work
AT504265B1 (en) * 2006-07-28 2011-02-15 Voest Alpine Bergtechnik SUPPORT DEVICE FOR AN OPERATOR OR MACHINE

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB892179A (en) * 1960-01-20 1962-03-21 Hoesch Bergbautechnik Gmbh Improvements in or relating to hydraulically actuated self advancing roof props
GB930838A (en) * 1960-08-31 1963-07-10 Gullick Ltd Improvements in or relating to roof supports for mines and the like
DE1142331B (en) * 1961-02-11 1963-01-17 Rheinstahl Gmbh Wanheim Removal arrangement at the transition from the longwall to the mining section
US3333426A (en) * 1964-04-11 1967-08-01 Gullick Ltd Self-advancing hydraulically extensible mine roof supports
US3525227A (en) * 1967-07-19 1970-08-25 Gullick Ltd Mine roof supports
GB1234661A (en) * 1968-01-17 1971-06-09
FR2003695A1 (en) * 1968-03-12 1969-11-14 Grebe Konrad
GB1287096A (en) * 1968-10-17 1972-08-31 Karl Maria Groetschel Improvements relating to advancing roof supports for mine workings

Also Published As

Publication number Publication date
DE2233751A1 (en) 1973-02-01
GB1394675A (en) 1975-05-21
US3812681A (en) 1974-05-28
AU4459772A (en) 1974-01-17

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