GB871891A - Improved machine for mining coal and other minerals - Google Patents

Improved machine for mining coal and other minerals

Info

Publication number
GB871891A
GB871891A GB985357A GB985357A GB871891A GB 871891 A GB871891 A GB 871891A GB 985357 A GB985357 A GB 985357A GB 985357 A GB985357 A GB 985357A GB 871891 A GB871891 A GB 871891A
Authority
GB
United Kingdom
Prior art keywords
minerals
improved machine
mining coal
mining
coal
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
GB985357A
Inventor
John Connel Sproul
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 GB985357A priority Critical patent/GB871891A/en
Publication of GB871891A publication Critical patent/GB871891A/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
    • E21C27/02—Machines which completely free the mineral from the seam solely by slitting

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)
GB985357A 1957-03-26 1957-03-26 Improved machine for mining coal and other minerals Expired GB871891A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB985357A GB871891A (en) 1957-03-26 1957-03-26 Improved machine for mining coal and other minerals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB985357A GB871891A (en) 1957-03-26 1957-03-26 Improved machine for mining coal and other minerals

Publications (1)

Publication Number Publication Date
GB871891A true GB871891A (en) 1961-07-05

Family

ID=9880014

Family Applications (1)

Application Number Title Priority Date Filing Date
GB985357A Expired GB871891A (en) 1957-03-26 1957-03-26 Improved machine for mining coal and other minerals

Country Status (1)

Country Link
GB (1) GB871891A (en)

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