FR1289219A - Perfectionnements aux haveuses - Google Patents

Perfectionnements aux haveuses

Info

Publication number
FR1289219A
FR1289219A FR861741A FR861741A FR1289219A FR 1289219 A FR1289219 A FR 1289219A FR 861741 A FR861741 A FR 861741A FR 861741 A FR861741 A FR 861741A FR 1289219 A FR1289219 A FR 1289219A
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
FR861741A
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.)
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
Priority to FR861741A priority Critical patent/FR1289219A/fr
Application granted granted Critical
Publication of FR1289219A publication Critical patent/FR1289219A/fr
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
    • E21C27/18—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)
FR861741A 1961-05-15 1961-05-15 Perfectionnements aux haveuses Expired FR1289219A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR861741A FR1289219A (fr) 1961-05-15 1961-05-15 Perfectionnements aux haveuses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR861741A FR1289219A (fr) 1961-05-15 1961-05-15 Perfectionnements aux haveuses

Publications (1)

Publication Number Publication Date
FR1289219A true FR1289219A (fr) 1962-03-30

Family

ID=8755134

Family Applications (1)

Application Number Title Priority Date Filing Date
FR861741A Expired FR1289219A (fr) 1961-05-15 1961-05-15 Perfectionnements aux haveuses

Country Status (1)

Country Link
FR (1) FR1289219A (fr)

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