GB2077832B - Mine roof support with advancing mechanism - Google Patents

Mine roof support with advancing mechanism

Info

Publication number
GB2077832B
GB2077832B GB8117318A GB8117318A GB2077832B GB 2077832 B GB2077832 B GB 2077832B GB 8117318 A GB8117318 A GB 8117318A GB 8117318 A GB8117318 A GB 8117318A GB 2077832 B GB2077832 B GB 2077832B
Authority
GB
United Kingdom
Prior art keywords
roof support
advancing mechanism
mine roof
mine
advancing
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
GB8117318A
Other versions
GB2077832A (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.)
Babcock Roof Supports Ltd
Original Assignee
Babcock Roof Supports 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 Babcock Roof Supports Ltd filed Critical Babcock Roof Supports Ltd
Priority to GB8117318A priority Critical patent/GB2077832B/en
Publication of GB2077832A publication Critical patent/GB2077832A/en
Application granted granted Critical
Publication of GB2077832B publication Critical patent/GB2077832B/en
Expired legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/08Advancing mechanisms
    • E21D23/081Advancing mechanisms forming parts of the roof supports
    • E21D23/085Advancing mechanisms forming parts of the roof supports acting on a conveyor or a guide for the mining machine
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/04Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor

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)
  • Auxiliary Methods And Devices For Loading And Unloading (AREA)
GB8117318A 1980-06-06 1981-06-05 Mine roof support with advancing mechanism Expired GB2077832B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8117318A GB2077832B (en) 1980-06-06 1981-06-05 Mine roof support with advancing mechanism

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8018688 1980-06-06
GB8117318A GB2077832B (en) 1980-06-06 1981-06-05 Mine roof support with advancing mechanism

Publications (2)

Publication Number Publication Date
GB2077832A GB2077832A (en) 1981-12-23
GB2077832B true GB2077832B (en) 1983-09-28

Family

ID=26275758

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8117318A Expired GB2077832B (en) 1980-06-06 1981-06-05 Mine roof support with advancing mechanism

Country Status (1)

Country Link
GB (1) GB2077832B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
GB2236136B (en) * 1989-09-21 1993-05-26 Dowty Mining Equipment Ltd A mine roof support assembly
CN107676117A (en) * 2017-09-22 2018-02-09 鸿大智能机械有限公司 Hydraulic control one-way valve

Also Published As

Publication number Publication date
GB2077832A (en) 1981-12-23

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Legal Events

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