FR759144A - Perfectionnements aux haveuses - Google Patents

Perfectionnements aux haveuses

Info

Publication number
FR759144A
FR759144A FR759144DA FR759144A FR 759144 A FR759144 A FR 759144A FR 759144D A FR759144D A FR 759144DA FR 759144 A FR759144 A FR 759144A
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
Other languages
English (en)
Inventor
Jean-Maurice Hauvet
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 FR759144A publication Critical patent/FR759144A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/08—Guiding the machine

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)
FR759144D 1932-10-22 1932-10-22 Perfectionnements aux haveuses Expired FR759144A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR759144T 1932-10-22

Publications (1)

Publication Number Publication Date
FR759144A true FR759144A (fr) 1934-01-29

Family

ID=9167066

Family Applications (1)

Application Number Title Priority Date Filing Date
FR759144D Expired FR759144A (fr) 1932-10-22 1932-10-22 Perfectionnements aux haveuses

Country Status (1)

Country Link
FR (1) FR759144A (fr)

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