FR1030928A - Improvements to carriers and jacks to move them - Google Patents

Improvements to carriers and jacks to move them

Info

Publication number
FR1030928A
FR1030928A FR1030928DA FR1030928A FR 1030928 A FR1030928 A FR 1030928A FR 1030928D A FR1030928D A FR 1030928DA FR 1030928 A FR1030928 A FR 1030928A
Authority
FR
France
Prior art keywords
jacks
carriers
move
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.)
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
Application granted granted Critical
Publication of FR1030928A publication Critical patent/FR1030928A/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)
FR1030928D 1951-01-12 1951-01-12 Improvements to carriers and jacks to move them Expired FR1030928A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1030928T 1951-01-12

Publications (1)

Publication Number Publication Date
FR1030928A true FR1030928A (en) 1953-06-18

Family

ID=9582813

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1030928D Expired FR1030928A (en) 1951-01-12 1951-01-12 Improvements to carriers and jacks to move them

Country Status (1)

Country Link
FR (1) FR1030928A (en)

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