GB2043741B - Underground mining - Google Patents

Underground mining

Info

Publication number
GB2043741B
GB2043741B GB7850349A GB7850349A GB2043741B GB 2043741 B GB2043741 B GB 2043741B GB 7850349 A GB7850349 A GB 7850349A GB 7850349 A GB7850349 A GB 7850349A GB 2043741 B GB2043741 B GB 2043741B
Authority
GB
United Kingdom
Prior art keywords
underground mining
mining
underground
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
GB7850349A
Other versions
GB2043741A (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.)
ROY RICH SERVICES Inc
Original Assignee
ROY RICH SERVICES Inc
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 ROY RICH SERVICES Inc filed Critical ROY RICH SERVICES Inc
Priority to GB7850349A priority Critical patent/GB2043741B/en
Priority to DE19792952100 priority patent/DE2952100A1/en
Priority to ZA00797015A priority patent/ZA797015B/en
Publication of GB2043741A publication Critical patent/GB2043741A/en
Application granted granted Critical
Publication of GB2043741B publication Critical patent/GB2043741B/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C29/00—Propulsion of machines for slitting or completely freeing the mineral from the seam
    • E21C29/04—Propulsion of machines for slitting or completely freeing the mineral from the seam by cable or chains
    • E21C29/06—Propulsion of machines for slitting or completely freeing the mineral from the seam by cable or chains anchored at one or both ends to the mine working face
    • E21C29/08—Anchoring arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Shearing Machines (AREA)
GB7850349A 1978-12-29 1978-12-29 Underground mining Expired GB2043741B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB7850349A GB2043741B (en) 1978-12-29 1978-12-29 Underground mining
DE19792952100 DE2952100A1 (en) 1978-12-29 1979-12-22 UNDERGROUND DISASSEMBLY ARRANGEMENT
ZA00797015A ZA797015B (en) 1978-12-29 1979-12-27 Apparatus for use in underground long wall mine wocolor stable glucose test rkings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7850349A GB2043741B (en) 1978-12-29 1978-12-29 Underground mining

Publications (2)

Publication Number Publication Date
GB2043741A GB2043741A (en) 1980-10-08
GB2043741B true GB2043741B (en) 1983-07-20

Family

ID=10502008

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7850349A Expired GB2043741B (en) 1978-12-29 1978-12-29 Underground mining

Country Status (2)

Country Link
DE (1) DE2952100A1 (en)
GB (1) GB2043741B (en)

Also Published As

Publication number Publication date
DE2952100A1 (en) 1980-07-17
GB2043741A (en) 1980-10-08

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Legal Events

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