GB2108559B - Mine roof support - Google Patents

Mine roof support

Info

Publication number
GB2108559B
GB2108559B GB08228051A GB8228051A GB2108559B GB 2108559 B GB2108559 B GB 2108559B GB 08228051 A GB08228051 A GB 08228051A GB 8228051 A GB8228051 A GB 8228051A GB 2108559 B GB2108559 B GB 2108559B
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
GB08228051A
Other versions
GB2108559A (en
Inventor
James Seddon
Frank Jones
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.)
Joy Global Industries Ltd
Original Assignee
Dobson Park Industries 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 Dobson Park Industries Ltd filed Critical Dobson Park Industries Ltd
Priority to GB08228051A priority Critical patent/GB2108559B/en
Publication of GB2108559A publication Critical patent/GB2108559A/en
Application granted granted Critical
Publication of GB2108559B publication Critical patent/GB2108559B/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
    • E21D23/0086—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor in galleries
    • E21D23/0091—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor in galleries at the junction with 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)
  • Excavating Of Shafts Or Tunnels (AREA)
GB08228051A 1981-10-23 1982-10-01 Mine roof support Expired GB2108559B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08228051A GB2108559B (en) 1981-10-23 1982-10-01 Mine roof support

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8131970 1981-10-23
GB08228051A GB2108559B (en) 1981-10-23 1982-10-01 Mine roof support

Publications (2)

Publication Number Publication Date
GB2108559A GB2108559A (en) 1983-05-18
GB2108559B true GB2108559B (en) 1985-09-04

Family

ID=26281049

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08228051A Expired GB2108559B (en) 1981-10-23 1982-10-01 Mine roof support

Country Status (1)

Country Link
GB (1) GB2108559B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8328281D0 (en) * 1983-10-22 1983-11-23 Dobson Park Ind Mine roof supports
GB2155089A (en) * 1984-03-02 1985-09-18 Dobson Park Ind Mine roof support with rear linkage

Also Published As

Publication number Publication date
GB2108559A (en) 1983-05-18

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Legal Events

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