FR1235039A - Dispositif de soutènement extensible en deux éléments pour exploitations minières - Google Patents

Dispositif de soutènement extensible en deux éléments pour exploitations minières

Info

Publication number
FR1235039A
FR1235039A FR804778A FR804778A FR1235039A FR 1235039 A FR1235039 A FR 1235039A FR 804778 A FR804778 A FR 804778A FR 804778 A FR804778 A FR 804778A FR 1235039 A FR1235039 A FR 1235039A
Authority
FR
France
Prior art keywords
extendable
support device
piece support
mining operations
mining
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
FR804778A
Other languages
English (en)
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.)
SCHWARZ KG HERMANN
Hermann Schwarz KG
Original Assignee
SCHWARZ KG HERMANN
Hermann Schwarz KG
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 DESCH24729A external-priority patent/DE1135399B/de
Application filed by SCHWARZ KG HERMANN, Hermann Schwarz KG filed Critical SCHWARZ KG HERMANN
Application granted granted Critical
Publication of FR1235039A publication Critical patent/FR1235039A/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
    • 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)
  • Actuator (AREA)
FR804778A 1958-09-13 1959-09-10 Dispositif de soutènement extensible en deux éléments pour exploitations minières Expired FR1235039A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DESCH24729A DE1135399B (de) 1958-09-13 1958-09-13 Druckmittelbetriebenes Grubenausbauelement
DESCH26468A DE1138366B (de) 1958-09-13 1959-08-01 Ausziehbares, zweiteiliges Grubenausbau-element

Publications (1)

Publication Number Publication Date
FR1235039A true FR1235039A (fr) 1960-07-01

Family

ID=25992755

Family Applications (1)

Application Number Title Priority Date Filing Date
FR804778A Expired FR1235039A (fr) 1958-09-13 1959-09-10 Dispositif de soutènement extensible en deux éléments pour exploitations minières

Country Status (4)

Country Link
DE (1) DE1138366B (fi)
FR (1) FR1235039A (fi)
GB (1) GB916936A (fi)
NL (1) NL243254A (fi)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1554201B1 (de) * 1965-02-25 1971-07-01 Fichtel & Sachs Ag Hydropneumatisches Hubaggregat,insbesondere zur stufenlosen Hoehenverstellung von Tischplatten und Stuehlen
DE1239648B (de) * 1965-07-08 1967-05-03 Hoesch Bergbautechnik G M B H Hydraulischer Grubenstempel
CN102022128B (zh) * 2011-01-06 2012-02-15 王洁 一种气液支柱
CN103924991B (zh) * 2014-03-07 2015-12-02 浙江衢州煤矿机械总厂股份有限公司 矿用内注式单体液压支柱
CN108506030B (zh) * 2018-02-23 2019-09-10 中国神华能源股份有限公司 一种液压支架及地下水库中的净化墙的布设方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1027615B (de) * 1957-05-02 1958-04-10 Karl Gerlach Grubenstempel

Also Published As

Publication number Publication date
GB916936A (en) 1963-01-30
DE1138366B (de) 1962-10-25
NL243254A (fi)

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