FR1433790A - Châssis de soutènement hydraulique marchant - Google Patents

Châssis de soutènement hydraulique marchant

Info

Publication number
FR1433790A
FR1433790A FR15278A FR15278A FR1433790A FR 1433790 A FR1433790 A FR 1433790A FR 15278 A FR15278 A FR 15278A FR 15278 A FR15278 A FR 15278A FR 1433790 A FR1433790 A FR 1433790A
Authority
FR
France
Prior art keywords
support frame
walking support
hydraulic walking
hydraulic
frame
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
FR15278A
Other languages
English (en)
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.)
Gewerkschaft Eisenhutte Westfalia GmbH
Original Assignee
Gewerkschaft Eisenhutte Westfalia 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 Gewerkschaft Eisenhutte Westfalia GmbH filed Critical Gewerkschaft Eisenhutte Westfalia GmbH
Priority to FR15278A priority Critical patent/FR1433790A/fr
Application granted granted Critical
Publication of FR1433790A publication Critical patent/FR1433790A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK 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
    • E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
    • E21D23/0017—Pile type supports

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)
FR15278A 1965-04-30 1965-04-30 Châssis de soutènement hydraulique marchant Expired FR1433790A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR15278A FR1433790A (fr) 1965-04-30 1965-04-30 Châssis de soutènement hydraulique marchant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR15278A FR1433790A (fr) 1965-04-30 1965-04-30 Châssis de soutènement hydraulique marchant

Publications (1)

Publication Number Publication Date
FR1433790A true FR1433790A (fr) 1966-04-01

Family

ID=8577678

Family Applications (1)

Application Number Title Priority Date Filing Date
FR15278A Expired FR1433790A (fr) 1965-04-30 1965-04-30 Châssis de soutènement hydraulique marchant

Country Status (1)

Country Link
FR (1) FR1433790A (fr)

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