FR1026280A - Advancement device for shearers - Google Patents

Advancement device for shearers

Info

Publication number
FR1026280A
FR1026280A FR1026280DA FR1026280A FR 1026280 A FR1026280 A FR 1026280A FR 1026280D A FR1026280D A FR 1026280DA FR 1026280 A FR1026280 A FR 1026280A
Authority
FR
France
Prior art keywords
shearers
advancement device
advancement
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.)
Gebr Eickhoff Maschinenfabrik u Eisengiesserei GmbH
Original Assignee
Gebr Eickhoff Maschinenfabrik u Eisengiesserei 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 Gebr Eickhoff Maschinenfabrik u Eisengiesserei GmbH filed Critical Gebr Eickhoff Maschinenfabrik u Eisengiesserei GmbH
Application granted granted Critical
Publication of FR1026280A publication Critical patent/FR1026280A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C29/00—Propulsion of machines for slitting or completely freeing the mineral from the seam
    • E21C29/04—Propulsion of machines for slitting or completely freeing the mineral from the seam by cable or chains
    • E21C29/14—Propulsion of machines for slitting or completely freeing the mineral from the seam by cable or chains by haulage cable or chain pulling the machine along the working face
    • E21C29/18—Coupling and uncoupling machine to cable or chain
    • E21C29/185—Coupling and uncoupling machine to cable or chain with coupling or uncoupling of the machine at will

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)
FR1026280D 1949-10-26 1950-10-19 Advancement device for shearers Expired FR1026280A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1026280X 1949-10-26

Publications (1)

Publication Number Publication Date
FR1026280A true FR1026280A (en) 1953-04-27

Family

ID=7715149

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1026280D Expired FR1026280A (en) 1949-10-26 1950-10-19 Advancement device for shearers

Country Status (1)

Country Link
FR (1) FR1026280A (en)

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