FR1248352A - étai hydraulique de mine - Google Patents

étai hydraulique de mine

Info

Publication number
FR1248352A
FR1248352A FR818542A FR818542A FR1248352A FR 1248352 A FR1248352 A FR 1248352A FR 818542 A FR818542 A FR 818542A FR 818542 A FR818542 A FR 818542A FR 1248352 A FR1248352 A FR 1248352A
Authority
FR
France
Prior art keywords
mine prop
hydraulic mine
hydraulic
prop
mine
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
FR818542A
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.)
Gutehoffnungshutte Sterkrade AG
Original Assignee
Gutehoffnungshutte Sterkrade AG
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 Gutehoffnungshutte Sterkrade AG filed Critical Gutehoffnungshutte Sterkrade AG
Application granted granted Critical
Publication of FR1248352A publication Critical patent/FR1248352A/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
    • E21D15/58—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
    • E21D15/587—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 by means of power accumulators to be pre-charged by rock pressure
    • 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)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
FR818542A 1959-02-21 1960-02-15 étai hydraulique de mine Expired FR1248352A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEG26437A DE1089347B (de) 1959-02-21 1959-02-21 Hydraulischer Grubenstempel

Publications (1)

Publication Number Publication Date
FR1248352A true FR1248352A (fr) 1960-12-09

Family

ID=7122923

Family Applications (1)

Application Number Title Priority Date Filing Date
FR818542A Expired FR1248352A (fr) 1959-02-21 1960-02-15 étai hydraulique de mine

Country Status (3)

Country Link
DE (1) DE1089347B (fr)
FR (1) FR1248352A (fr)
GB (1) GB947516A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1229966B (de) * 1964-06-25 1966-12-08 Hoesch Bergbautechnik G M B H Doppeltwirkender hydraulischer Grubenstempel
DE8318615U1 (de) * 1983-06-28 1983-11-03 Klöckner-Becorit GmbH, 4620 Castrop-Rauxel Richtzylinder fuer den schildausbau
PL2536919T3 (pl) 2010-02-19 2014-12-31 Council Scient Ind Res Urządzenie do podpierania stropu podziemnej kopalni/tunelu

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1685697A (en) * 1926-07-30 1928-09-25 Nathan M Guinsburg Jack
DE934342C (de) * 1954-06-27 1955-10-20 Gutehoffnungshuette Sterkrade Mehrteiliger hydraulischer Grubenstempel
DE946564C (de) * 1954-07-22 1956-08-02 Wilhelm Zenz Hydraulischer Stempelsetzer und -heber
DE938005C (de) * 1954-11-30 1956-01-19 Wilhelm Zenz Hydraulischer Stempelsetzer und -heber

Also Published As

Publication number Publication date
DE1089347B (de) 1960-09-22
GB947516A (en) 1964-01-22

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