GB2041056B - Mine roof support - Google Patents

Mine roof support

Info

Publication number
GB2041056B
GB2041056B GB8001217A GB8001217A GB2041056B GB 2041056 B GB2041056 B GB 2041056B GB 8001217 A GB8001217 A GB 8001217A GB 8001217 A GB8001217 A GB 8001217A GB 2041056 B GB2041056 B GB 2041056B
Authority
GB
United Kingdom
Prior art keywords
roof support
mine roof
mine
support
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
GB8001217A
Other versions
GB2041056A (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 GB8001217A priority Critical patent/GB2041056B/en
Publication of GB2041056A publication Critical patent/GB2041056A/en
Application granted granted Critical
Publication of GB2041056B publication Critical patent/GB2041056B/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
    • E21D23/0021—Pile type supports comprising two walking elements
    • 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
    • E21D23/08—Advancing mechanisms
    • E21D23/081—Advancing mechanisms forming parts of the roof supports
    • E21D23/085—Advancing mechanisms forming parts of the roof supports acting on a conveyor or a guide for the mining machine
    • E21D23/086—Details of fixing devices therefor

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)
GB8001217A 1979-02-03 1980-01-14 Mine roof support Expired GB2041056B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8001217A GB2041056B (en) 1979-02-03 1980-01-14 Mine roof support

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7903868 1979-02-03
GB8001217A GB2041056B (en) 1979-02-03 1980-01-14 Mine roof support

Publications (2)

Publication Number Publication Date
GB2041056A GB2041056A (en) 1980-09-03
GB2041056B true GB2041056B (en) 1983-05-05

Family

ID=26270450

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8001217A Expired GB2041056B (en) 1979-02-03 1980-01-14 Mine roof support

Country Status (1)

Country Link
GB (1) GB2041056B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2123469A (en) * 1982-07-08 1984-02-01 G Pk Exi Ugolnogo Mash Mine roof support unit
FR2583816B1 (en) * 1985-06-20 1987-08-21 Bennes Marrel DEVICE FOR LAUNCHING WALKING SUPPORT PILES USED IN MINES
HU194596B (en) * 1985-08-22 1988-02-29 Oroszlanyi Szenbanyak Supporting unit at underground widework for mechanized supporting equipment
DD299446A5 (en) * 1989-05-11 1992-04-16 ��������@��@����������@��@��@����������@���������k�� MOBILE REMOVAL CHAMBER DEVICE

Also Published As

Publication number Publication date
GB2041056A (en) 1980-09-03

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Legal Events

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