FR1469708A - Coal plane equipped with a pre-chopping knife, usable in particular in mines - Google Patents

Coal plane equipped with a pre-chopping knife, usable in particular in mines

Info

Publication number
FR1469708A
FR1469708A FR50372A FR50372A FR1469708A FR 1469708 A FR1469708 A FR 1469708A FR 50372 A FR50372 A FR 50372A FR 50372 A FR50372 A FR 50372A FR 1469708 A FR1469708 A FR 1469708A
Authority
FR
France
Prior art keywords
mines
usable
chopping knife
plane equipped
coal plane
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
FR50372A
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.)
Gewerkschaft Eisenhutte Westfalia GmbH
Original Assignee
Gewerkschaft Eisenhutte Westfalia GmbH
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 Gewerkschaft Eisenhutte Westfalia GmbH filed Critical Gewerkschaft Eisenhutte Westfalia GmbH
Priority to FR50372A priority Critical patent/FR1469708A/en
Application granted granted Critical
Publication of FR1469708A publication Critical patent/FR1469708A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C27/00—Machines which completely free the mineral from the seam
    • E21C27/18—Machines which completely free the mineral from the seam by both slitting and planing

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)
FR50372A 1966-02-21 1966-02-21 Coal plane equipped with a pre-chopping knife, usable in particular in mines Expired FR1469708A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR50372A FR1469708A (en) 1966-02-21 1966-02-21 Coal plane equipped with a pre-chopping knife, usable in particular in mines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR50372A FR1469708A (en) 1966-02-21 1966-02-21 Coal plane equipped with a pre-chopping knife, usable in particular in mines

Publications (1)

Publication Number Publication Date
FR1469708A true FR1469708A (en) 1967-02-17

Family

ID=8601851

Family Applications (1)

Application Number Title Priority Date Filing Date
FR50372A Expired FR1469708A (en) 1966-02-21 1966-02-21 Coal plane equipped with a pre-chopping knife, usable in particular in mines

Country Status (1)

Country Link
FR (1) FR1469708A (en)

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