AU528017B2 - Maintaining verticality of mine roof support - Google Patents

Maintaining verticality of mine roof support

Info

Publication number
AU528017B2
AU528017B2 AU50115/79A AU5011579A AU528017B2 AU 528017 B2 AU528017 B2 AU 528017B2 AU 50115/79 A AU50115/79 A AU 50115/79A AU 5011579 A AU5011579 A AU 5011579A AU 528017 B2 AU528017 B2 AU 528017B2
Authority
AU
Australia
Prior art keywords
roof support
mine roof
maintaining verticality
verticality
maintaining
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.)
Ceased
Application number
AU50115/79A
Other languages
English (en)
Other versions
AU5011579A (en
Inventor
Malcolm Wake
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.)
Fletcher Sutcliffe Wild Ltd
Original Assignee
Fletcher Sutcliffe Wild 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 Fletcher Sutcliffe Wild Ltd filed Critical Fletcher Sutcliffe Wild Ltd
Publication of AU5011579A publication Critical patent/AU5011579A/en
Application granted granted Critical
Publication of AU528017B2 publication Critical patent/AU528017B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • E21D23/0427—Shield operating devices; Hinges therefor
    • 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
    • E21D23/0034—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 comprising a goaf shield articulated to a base member
    • E21D23/0043—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 comprising a goaf shield articulated to a base member and supported by two or more rows of struts parallel to the working face

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)
  • Lining And Supports For Tunnels (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
AU50115/79A 1978-09-16 1979-08-21 Maintaining verticality of mine roof support Ceased AU528017B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7837100 1978-09-16
GB7837100 1978-09-16

Publications (2)

Publication Number Publication Date
AU5011579A AU5011579A (en) 1980-03-27
AU528017B2 true AU528017B2 (en) 1983-03-31

Family

ID=10499724

Family Applications (1)

Application Number Title Priority Date Filing Date
AU50115/79A Ceased AU528017B2 (en) 1978-09-16 1979-08-21 Maintaining verticality of mine roof support

Country Status (4)

Country Link
AU (1) AU528017B2 (enrdf_load_stackoverflow)
CA (1) CA1122022A (enrdf_load_stackoverflow)
DE (1) DE2933880A1 (enrdf_load_stackoverflow)
IN (1) IN152998B (enrdf_load_stackoverflow)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1166241A (en) * 1966-01-04 1969-10-08 Coal Industry Patents Ltd Inclined-Prop Powered Support.
DE2600455C3 (de) * 1976-01-08 1981-12-24 Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal Hydraulisches Schildausbaugestell
ZA762055B (en) * 1976-04-08 1977-05-25 Dowty Mining Equipment Ltd Mine roorf support

Also Published As

Publication number Publication date
DE2933880C2 (enrdf_load_stackoverflow) 1988-05-26
AU5011579A (en) 1980-03-27
IN152998B (enrdf_load_stackoverflow) 1984-05-19
CA1122022A (en) 1982-04-20
DE2933880A1 (de) 1980-04-03

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