FR1323461A - Perfectionnements aux haveuses - Google Patents

Perfectionnements aux haveuses

Info

Publication number
FR1323461A
FR1323461A FR899460A FR899460A FR1323461A FR 1323461 A FR1323461 A FR 1323461A FR 899460 A FR899460 A FR 899460A FR 899460 A FR899460 A FR 899460A FR 1323461 A FR1323461 A FR 1323461A
Authority
FR
France
Prior art keywords
shearers
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
FR899460A
Other languages
English (en)
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.)
Coal Industry Patents Ltd
Original Assignee
Coal Industry Patents 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 Coal Industry Patents Ltd filed Critical Coal Industry Patents Ltd
Priority to FR899460A priority Critical patent/FR1323461A/fr
Application granted granted Critical
Publication of FR1323461A publication Critical patent/FR1323461A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/06—Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate
    • E21C25/10—Rods; Drums

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)
FR899460A 1962-06-01 1962-06-01 Perfectionnements aux haveuses Expired FR1323461A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR899460A FR1323461A (fr) 1962-06-01 1962-06-01 Perfectionnements aux haveuses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR899460A FR1323461A (fr) 1962-06-01 1962-06-01 Perfectionnements aux haveuses

Publications (1)

Publication Number Publication Date
FR1323461A true FR1323461A (fr) 1963-04-05

Family

ID=8780188

Family Applications (1)

Application Number Title Priority Date Filing Date
FR899460A Expired FR1323461A (fr) 1962-06-01 1962-06-01 Perfectionnements aux haveuses

Country Status (1)

Country Link
FR (1) FR1323461A (fr)

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