FR1081252A - Improvements made to upsetting devices for ripping pruning conveyors in mines - Google Patents

Improvements made to upsetting devices for ripping pruning conveyors in mines

Info

Publication number
FR1081252A
FR1081252A FR1081252DA FR1081252A FR 1081252 A FR1081252 A FR 1081252A FR 1081252D A FR1081252D A FR 1081252DA FR 1081252 A FR1081252 A FR 1081252A
Authority
FR
France
Prior art keywords
ripping
pruning
mines
conveyors
improvements made
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)
Inventor
Fritz Bothe
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 FR1081252A publication Critical patent/FR1081252A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F13/00—Transport specially adapted to underground conditions
    • E21F13/08—Shifting conveyors or other transport devices from one location at the working face to another
    • E21F13/086—Armoured conveyors shifting devices

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)
FR1081252D 1952-04-29 1953-04-29 Improvements made to upsetting devices for ripping pruning conveyors in mines Expired FR1081252A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1081252X 1952-04-29

Publications (1)

Publication Number Publication Date
FR1081252A true FR1081252A (en) 1954-12-17

Family

ID=7720879

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1081252D Expired FR1081252A (en) 1952-04-29 1953-04-29 Improvements made to upsetting devices for ripping pruning conveyors in mines

Country Status (1)

Country Link
FR (1) FR1081252A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1232912B (en) * 1965-08-05 1967-01-26 Gewerk Eisenhuette Westfalia Hydraulic return device for face conveyor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1232912B (en) * 1965-08-05 1967-01-26 Gewerk Eisenhuette Westfalia Hydraulic return device for face conveyor

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