FR1026315A - Improvements to machinery for coal and mineral extraction - Google Patents

Improvements to machinery for coal and mineral extraction

Info

Publication number
FR1026315A
FR1026315A FR1026315DA FR1026315A FR 1026315 A FR1026315 A FR 1026315A FR 1026315D A FR1026315D A FR 1026315DA FR 1026315 A FR1026315 A FR 1026315A
Authority
FR
France
Prior art keywords
coal
machinery
mineral extraction
mineral
extraction
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
Other languages
French (fr)
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
Application granted granted Critical
Publication of FR1026315A publication Critical patent/FR1026315A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/08—Guiding the machine
    • E21C35/10—Guiding the machine by feelers contacting the working face

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)
FR1026315D 1950-10-20 1950-10-20 Improvements to machinery for coal and mineral extraction Expired FR1026315A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1026315T 1950-10-20

Publications (1)

Publication Number Publication Date
FR1026315A true FR1026315A (en) 1953-04-27

Family

ID=9580018

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1026315D Expired FR1026315A (en) 1950-10-20 1950-10-20 Improvements to machinery for coal and mineral extraction

Country Status (1)

Country Link
FR (1) FR1026315A (en)

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