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FR1014037A - Method and apparatus for mechanical mining of coal and ore - Google Patents

Method and apparatus for mechanical mining of coal and ore

Info

Publication number
FR1014037A
FR1014037A FR1014037DA FR1014037A FR 1014037 A FR1014037 A FR 1014037A FR 1014037D A FR1014037D A FR 1014037DA FR 1014037 A FR1014037 A FR 1014037A
Authority
FR
France
Prior art keywords
ore
coal
mechanical mining
mining
mechanical
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)
Inventor
Karl Henkel
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 filed Critical
Application granted granted Critical
Publication of FR1014037A publication Critical patent/FR1014037A/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
    • E21C27/20—Mineral freed by means not involving slitting
    • E21C27/28—Mineral freed by means not involving slitting by percussive drills with breaking-down means, e.g. wedge-shaped tools

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)
FR1014037D 1948-05-22 1949-05-16 Method and apparatus for mechanical mining of coal and ore Expired FR1014037A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1014037X 1948-05-22

Publications (1)

Publication Number Publication Date
FR1014037A true FR1014037A (en) 1952-08-07

Family

ID=4552619

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1014037D Expired FR1014037A (en) 1948-05-22 1949-05-16 Method and apparatus for mechanical mining of coal and ore

Country Status (1)

Country Link
FR (1) FR1014037A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE971194C (en) * 1954-07-09 1958-12-24 Konrad Grebe Method and device for the extraction of coal in steeply mounted floezen with a sled-like hanging pressure device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE971194C (en) * 1954-07-09 1958-12-24 Konrad Grebe Method and device for the extraction of coal in steeply mounted floezen with a sled-like hanging pressure device

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