GB791674A - Improvements in and relating to mineral mining apparatus - Google Patents

Improvements in and relating to mineral mining apparatus

Info

Publication number
GB791674A
GB791674A GB1895856A GB1895856A GB791674A GB 791674 A GB791674 A GB 791674A GB 1895856 A GB1895856 A GB 1895856A GB 1895856 A GB1895856 A GB 1895856A GB 791674 A GB791674 A GB 791674A
Authority
GB
United Kingdom
Prior art keywords
relating
mining apparatus
mineral mining
mineral
mining
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
GB1895856A
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 Manufacturing Co Inc
Original Assignee
JOY Manufacturing Co 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 JOY Manufacturing Co Inc filed Critical JOY Manufacturing Co Inc
Priority to GB1895856A priority Critical patent/GB791674A/en
Publication of GB791674A publication Critical patent/GB791674A/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
    • E21C27/12—Machines which completely free the mineral from the seam by both slitting and breaking-down breaking-down effected by acting on the vertical face of the mineral, e.g. by percussive tools
    • E21C27/124—Machines which completely free the mineral from the seam by both slitting and breaking-down breaking-down effected by acting on the vertical face of the mineral, e.g. by percussive tools with rotatable cutters provided with breaking-down members

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)
  • Soil Working Implements (AREA)
  • Earth Drilling (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)

Abstract

791,674. Mineral-mining machines. JOYSULLIVAN, Ltd. (Joy Manufacturing Co., Inc.). Aug. 17, 1954, No. 18958/56. Divided out of 791;673. Drawings to Specification. Class 68(1) A mineral-mining machine of identical construction to the machine described in Specification 791,673, but associated with a different set of claims. Specifications 681,364, 681,365 and 686,556 also are referred to.
GB1895856A 1954-08-17 1954-08-17 Improvements in and relating to mineral mining apparatus Expired GB791674A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1895856A GB791674A (en) 1954-08-17 1954-08-17 Improvements in and relating to mineral mining apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1895856A GB791674A (en) 1954-08-17 1954-08-17 Improvements in and relating to mineral mining apparatus

Publications (1)

Publication Number Publication Date
GB791674A true GB791674A (en) 1958-03-12

Family

ID=10121366

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1895856A Expired GB791674A (en) 1954-08-17 1954-08-17 Improvements in and relating to mineral mining apparatus

Country Status (1)

Country Link
GB (1) GB791674A (en)

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