GB2035431B - Mine roof supports - Google Patents

Mine roof supports

Info

Publication number
GB2035431B
GB2035431B GB7940006A GB7940006A GB2035431B GB 2035431 B GB2035431 B GB 2035431B GB 7940006 A GB7940006 A GB 7940006A GB 7940006 A GB7940006 A GB 7940006A GB 2035431 B GB2035431 B GB 2035431B
Authority
GB
United Kingdom
Prior art keywords
mine roof
roof supports
supports
mine
roof
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
GB7940006A
Other versions
GB2035431A (en
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
Priority to GB7940006A priority Critical patent/GB2035431B/en
Publication of GB2035431A publication Critical patent/GB2035431A/en
Application granted granted Critical
Publication of GB2035431B publication Critical patent/GB2035431B/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
    • 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)
GB7940006A 1978-11-28 1979-11-20 Mine roof supports Expired GB2035431B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7940006A GB2035431B (en) 1978-11-28 1979-11-20 Mine roof supports

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7846370 1978-11-28
GB7940006A GB2035431B (en) 1978-11-28 1979-11-20 Mine roof supports

Publications (2)

Publication Number Publication Date
GB2035431A GB2035431A (en) 1980-06-18
GB2035431B true GB2035431B (en) 1982-10-13

Family

ID=26269768

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7940006A Expired GB2035431B (en) 1978-11-28 1979-11-20 Mine roof supports

Country Status (1)

Country Link
GB (1) GB2035431B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2192659B (en) * 1986-07-15 1990-04-11 Gullick Dobson Ltd Mine roof support roof engaging device

Also Published As

Publication number Publication date
GB2035431A (en) 1980-06-18

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Legal Events

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