FR1180897A - Installation de soutènement de plafonds de mines - Google Patents

Installation de soutènement de plafonds de mines

Info

Publication number
FR1180897A
FR1180897A FR1180897DA FR1180897A FR 1180897 A FR1180897 A FR 1180897A FR 1180897D A FR1180897D A FR 1180897DA FR 1180897 A FR1180897 A FR 1180897A
Authority
FR
France
Prior art keywords
installation
support
ceilings
mine
mine ceilings
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
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.)
ETUDE HYDRAULIQUE DANS L IND E
Original Assignee
ETUDE HYDRAULIQUE DANS L IND E
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 ETUDE HYDRAULIQUE DANS L IND E filed Critical ETUDE HYDRAULIQUE DANS L IND E
Application granted granted Critical
Publication of FR1180897A publication Critical patent/FR1180897A/fr
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
    • E21D15/50—Component parts or details of props
    • E21D15/51—Component parts or details of props specially adapted to hydraulic, pneumatic, or hydraulic-pneumatic props, e.g. arrangements of relief valves
    • E21D15/512—Arrangement of valves
    • 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

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)
FR1180897D 1957-08-07 1957-08-07 Installation de soutènement de plafonds de mines Expired FR1180897A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1180897T 1957-08-07

Publications (1)

Publication Number Publication Date
FR1180897A true FR1180897A (fr) 1959-06-10

Family

ID=9661877

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1180897D Expired FR1180897A (fr) 1957-08-07 1957-08-07 Installation de soutènement de plafonds de mines

Country Status (1)

Country Link
FR (1) FR1180897A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3148714A (en) * 1959-09-28 1964-09-15 Dowty Mining Equipment Ltd Liquid charging devices for hydraulic pit props
DE1240018B (de) * 1961-04-20 1967-05-11 Bochumer Eisen Heintzmann Hydraulischer Grubenstempel

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3148714A (en) * 1959-09-28 1964-09-15 Dowty Mining Equipment Ltd Liquid charging devices for hydraulic pit props
DE1240018B (de) * 1961-04-20 1967-05-11 Bochumer Eisen Heintzmann Hydraulischer Grubenstempel
DE1240018C2 (de) * 1961-04-20 1973-02-08 Bochumer Eisen Heintzmann Hydraulischer Grubenstempel

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