FR95558E - Chassis de soutenement hydraulique marchant avec vérins de guidage. - Google Patents

Chassis de soutenement hydraulique marchant avec vérins de guidage.

Info

Publication number
FR95558E
FR95558E FR157650A FR157650A FR95558E FR 95558 E FR95558 E FR 95558E FR 157650 A FR157650 A FR 157650A FR 157650 A FR157650 A FR 157650A FR 95558 E FR95558 E FR 95558E
Authority
FR
France
Prior art keywords
support frame
hydraulic support
guide cylinders
frame walking
walking
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
FR157650A
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
Application granted granted Critical
Publication of FR95558E publication Critical patent/FR95558E/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
    • E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices
    • E21D23/0069—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices without essential advancing shifting devices

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)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
FR157650A 1965-02-22 1968-07-03 Chassis de soutenement hydraulique marchant avec vérins de guidage. Expired FR95558E (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEG0042902 1965-02-22
DEG0051386 1967-10-20

Publications (1)

Publication Number Publication Date
FR95558E true FR95558E (fr) 1971-03-26

Family

ID=7129745

Family Applications (1)

Application Number Title Priority Date Filing Date
FR157650A Expired FR95558E (fr) 1965-02-22 1968-07-03 Chassis de soutenement hydraulique marchant avec vérins de guidage.

Country Status (3)

Country Link
ES (1) ES354667A1 (fr)
FR (1) FR95558E (fr)
GB (1) GB1174206A (fr)

Also Published As

Publication number Publication date
GB1174206A (en) 1969-12-17
ES354667A1 (es) 1970-02-16

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