FR1399069A - Mobile height support - Google Patents

Mobile height support

Info

Publication number
FR1399069A
FR1399069A FR978538A FR978538A FR1399069A FR 1399069 A FR1399069 A FR 1399069A FR 978538 A FR978538 A FR 978538A FR 978538 A FR978538 A FR 978538A FR 1399069 A FR1399069 A FR 1399069A
Authority
FR
France
Prior art keywords
height support
mobile height
mobile
support
height
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
FR978538A
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.)
Stamicarbon BV
Original Assignee
Stamicarbon BV
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 Stamicarbon BV filed Critical Stamicarbon BV
Priority to FR978538A priority Critical patent/FR1399069A/en
Application granted granted Critical
Publication of FR1399069A publication Critical patent/FR1399069A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR978538A 1964-06-17 1964-06-17 Mobile height support Expired FR1399069A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR978538A FR1399069A (en) 1964-06-17 1964-06-17 Mobile height support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR978538A FR1399069A (en) 1964-06-17 1964-06-17 Mobile height support

Publications (1)

Publication Number Publication Date
FR1399069A true FR1399069A (en) 1965-05-14

Family

ID=8832547

Family Applications (1)

Application Number Title Priority Date Filing Date
FR978538A Expired FR1399069A (en) 1964-06-17 1964-06-17 Mobile height support

Country Status (1)

Country Link
FR (1) FR1399069A (en)

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