GB2174736B - Improvements in or relating to mineral mining machines - Google Patents

Improvements in or relating to mineral mining machines

Info

Publication number
GB2174736B
GB2174736B GB08511881A GB8511881A GB2174736B GB 2174736 B GB2174736 B GB 2174736B GB 08511881 A GB08511881 A GB 08511881A GB 8511881 A GB8511881 A GB 8511881A GB 2174736 B GB2174736 B GB 2174736B
Authority
GB
United Kingdom
Prior art keywords
relating
mining machines
mineral mining
mineral
machines
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
GB08511881A
Other versions
GB8511881D0 (en
GB2174736A (en
Inventor
Robert York
Leonard Gill
George Price
Basil Forgham
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.)
Coal Industry Patents Ltd
Original Assignee
Coal Industry Patents 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 Coal Industry Patents Ltd filed Critical Coal Industry Patents Ltd
Priority to GB08511881A priority Critical patent/GB2174736B/en
Publication of GB8511881D0 publication Critical patent/GB8511881D0/en
Publication of GB2174736A publication Critical patent/GB2174736A/en
Application granted granted Critical
Publication of GB2174736B publication Critical patent/GB2174736B/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/06—Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate
    • E21C25/14—Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate with equipment for cleaning the slit
    • E21C25/145—Cowls

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)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
GB08511881A 1985-05-10 1985-05-10 Improvements in or relating to mineral mining machines Expired GB2174736B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08511881A GB2174736B (en) 1985-05-10 1985-05-10 Improvements in or relating to mineral mining machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08511881A GB2174736B (en) 1985-05-10 1985-05-10 Improvements in or relating to mineral mining machines

Publications (3)

Publication Number Publication Date
GB8511881D0 GB8511881D0 (en) 1985-06-19
GB2174736A GB2174736A (en) 1986-11-12
GB2174736B true GB2174736B (en) 1988-03-09

Family

ID=10578939

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08511881A Expired GB2174736B (en) 1985-05-10 1985-05-10 Improvements in or relating to mineral mining machines

Country Status (1)

Country Link
GB (1) GB2174736B (en)

Also Published As

Publication number Publication date
GB8511881D0 (en) 1985-06-19
GB2174736A (en) 1986-11-12

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Legal Events

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