GB977412A - Improvements relating to machines for mining coal and other minerals - Google Patents

Improvements relating to machines for mining coal and other minerals

Info

Publication number
GB977412A
GB977412A GB1672260A GB1672260A GB977412A GB 977412 A GB977412 A GB 977412A GB 1672260 A GB1672260 A GB 1672260A GB 1672260 A GB1672260 A GB 1672260A GB 977412 A GB977412 A GB 977412A
Authority
GB
United Kingdom
Prior art keywords
machines
minerals
improvements relating
jib
mineral
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
GB1672260A
Inventor
George Jerrit
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.)
Mavor and Coulson Ltd
Original Assignee
Mavor and Coulson 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 Mavor and Coulson Ltd filed Critical Mavor and Coulson Ltd
Priority to GB1672260A priority Critical patent/GB977412A/en
Publication of GB977412A publication Critical patent/GB977412A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C27/00—Machines which completely free the mineral from the seam
    • E21C27/10—Machines which completely free the mineral from the seam by both slitting and breaking-down

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)

Abstract

977,412. Mineral-mining machines. MAVOR & COULSON Ltd. May 4, 1961 [May 12, 1960], No. 16722/60. Heading E1F In a mineral-mining machine having a cutter pick-carrying, universally jointed endless chain driven about a loop jib 22 having transversely extending upper and lower sections 23, 24 joined by a vertical section 25, the vertical section 25 is positioned directly in front of the leading vertical edge 21 of a wedging and loading structure 20 forming the leading end of the body 10 of the machine to which side sections 26, 27 of the jib are secured.
GB1672260A 1960-05-12 1960-05-12 Improvements relating to machines for mining coal and other minerals Expired GB977412A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1672260A GB977412A (en) 1960-05-12 1960-05-12 Improvements relating to machines for mining coal and other minerals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1672260A GB977412A (en) 1960-05-12 1960-05-12 Improvements relating to machines for mining coal and other minerals

Publications (1)

Publication Number Publication Date
GB977412A true GB977412A (en) 1964-12-09

Family

ID=10082466

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1672260A Expired GB977412A (en) 1960-05-12 1960-05-12 Improvements relating to machines for mining coal and other minerals

Country Status (1)

Country Link
GB (1) GB977412A (en)

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