[go: up one dir, main page]

FR1261608A - hydraulic prop suitable for mining - Google Patents

hydraulic prop suitable for mining

Info

Publication number
FR1261608A
FR1261608A FR831582A FR831582A FR1261608A FR 1261608 A FR1261608 A FR 1261608A FR 831582 A FR831582 A FR 831582A FR 831582 A FR831582 A FR 831582A FR 1261608 A FR1261608 A FR 1261608A
Authority
FR
France
Prior art keywords
mining
hydraulic prop
prop suitable
hydraulic
prop
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
FR831582A
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.)
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
Priority claimed from DE1959G0027435 external-priority patent/DE1241390B/en
Application filed by Gewerkschaft Eisenhutte Westfalia GmbH filed Critical Gewerkschaft Eisenhutte Westfalia GmbH
Priority to FR831582A priority Critical patent/FR1261608A/en
Application granted granted Critical
Publication of FR1261608A publication Critical patent/FR1261608A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14—Telescopic props
    • E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR831582A 1959-07-03 1960-06-30 hydraulic prop suitable for mining Expired FR1261608A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR831582A FR1261608A (en) 1959-07-03 1960-06-30 hydraulic prop suitable for mining

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1959G0027435 DE1241390B (en) 1959-07-03 1959-07-03 Hydraulic pit ram
FR831582A FR1261608A (en) 1959-07-03 1960-06-30 hydraulic prop suitable for mining

Publications (1)

Publication Number Publication Date
FR1261608A true FR1261608A (en) 1961-05-19

Family

ID=25978179

Family Applications (1)

Application Number Title Priority Date Filing Date
FR831582A Expired FR1261608A (en) 1959-07-03 1960-06-30 hydraulic prop suitable for mining

Country Status (1)

Country Link
FR (1) FR1261608A (en)

Similar Documents

Publication Publication Date Title
FR1178174A (en) hydraulic mine prop
BE592567A (en) Hydraulic prop suitable for mining
FR1202536A (en) mine prop
FR1313965A (en) Improvements to the caps of mine support piles
FR1248352A (en) hydraulic mine prop
FR1207923A (en) Improvements to hydraulic mine props
FR1261608A (en) hydraulic prop suitable for mining
FR1174801A (en) hydraulic prop for mines
FR1204337A (en) hydraulic prop suitable for use in mines
FR1249070A (en) Improvements to hydraulic props for mines
FR1175838A (en) Improvements made to mine props, hydraulic
FR1265718A (en) hydraulic mine prop
FR1289337A (en) hydraulic mine prop
FR1196318A (en) hydraulic prop for mine
BE595724A (en) Hydraulic mine prop.
BE573247A (en) Hydraulic mine prop
FR1201143A (en) Hydraulic support specially used in mines
FR1251175A (en) Mine roof supports
FR1310723A (en) Mine support pile
FR1280693A (en) hydropneumatic mine prop
FR1212988A (en) New mine prop
BE603540A (en) Mine prop
FR1173560A (en) mine prop
FR1180410A (en) Caving valve for hydraulic mine prop
FR1221309A (en) Improvements to pumps for hydraulic mine props