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FR1038035A - Hydraulic poles for mines - Google Patents

Hydraulic poles for mines

Info

Publication number
FR1038035A
FR1038035A FR1038035DA FR1038035A FR 1038035 A FR1038035 A FR 1038035A FR 1038035D A FR1038035D A FR 1038035DA FR 1038035 A FR1038035 A FR 1038035A
Authority
FR
France
Prior art keywords
mines
poles
hydraulic
hydraulic poles
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)
Inventor
Friedrich Wilhelm Korver
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 filed Critical
Application granted granted Critical
Publication of FR1038035A publication Critical patent/FR1038035A/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
    • E21D15/58—Devices for setting props or chocks
    • E21D15/585—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important
    • E21D15/586—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important the props being pre-loaded
    • 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
    • E21D15/005—Props; Chocks, e.g. made of flexible containers filled with backfilling material characterised by the material
    • 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)
  • Fluid-Pressure Circuits (AREA)
FR1038035D 1950-06-03 1951-06-02 Hydraulic poles for mines Expired FR1038035A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1038035X 1950-06-03

Publications (1)

Publication Number Publication Date
FR1038035A true FR1038035A (en) 1953-09-24

Family

ID=7716122

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1038035D Expired FR1038035A (en) 1950-06-03 1951-06-02 Hydraulic poles for mines

Country Status (2)

Country Link
BE (1) BE503706A (en)
FR (1) FR1038035A (en)

Also Published As

Publication number Publication date
BE503706A (en)

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