FR1146469A - Improvements to felling machines - Google Patents

Improvements to felling machines

Info

Publication number
FR1146469A
FR1146469A FR1146469DA FR1146469A FR 1146469 A FR1146469 A FR 1146469A FR 1146469D A FR1146469D A FR 1146469DA FR 1146469 A FR1146469 A FR 1146469A
Authority
FR
France
Prior art keywords
felling machines
felling
machines
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.)
ANDERSON
Anderson Boyes and Co Ltd
Original Assignee
ANDERSON
Anderson Boyes and Co 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 ANDERSON, Anderson Boyes and Co Ltd filed Critical ANDERSON
Application granted granted Critical
Publication of FR1146469A publication Critical patent/FR1146469A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK 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

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)
  • Earth Drilling (AREA)
FR1146469D 1954-02-12 1956-04-09 Improvements to felling machines Expired FR1146469A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB417754A GB755241A (en) 1954-02-12 1954-02-12 Improvements in mining machines

Publications (1)

Publication Number Publication Date
FR1146469A true FR1146469A (en) 1957-11-12

Family

ID=9772163

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1146469D Expired FR1146469A (en) 1954-02-12 1956-04-09 Improvements to felling machines

Country Status (3)

Country Link
BE (1) BE546937A (en)
FR (1) FR1146469A (en)
GB (1) GB755241A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1193902B (en) * 1959-11-17 1965-06-03 Lorraine Houilleres Device and process for the fully mechanical extraction and extraction of coal from floezen in the steep storage
DE1172629B (en) * 1960-05-07 1964-06-25 Eisen Giesserei M B H Schraemkopf, especially for roller cutting machines
DE1131622B (en) * 1960-06-10 1962-06-20 Eickhoff Geb Process for the extraction and loading of coal in both face directions by means of a roller shaving machine and roller shaving machine which can be moved on a face conveying means for carrying out this process
DE1186431B (en) * 1960-12-31 1965-02-04 Eickhoff Geb Electric motor for cutting machines in underground mining

Also Published As

Publication number Publication date
BE546937A (en)
GB755241A (en) 1956-08-22

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