FR1326173A - Elément de soutènement de mines pour avancement progressif - Google Patents

Elément de soutènement de mines pour avancement progressif

Info

Publication number
FR1326173A
FR1326173A FR901671A FR901671A FR1326173A FR 1326173 A FR1326173 A FR 1326173A FR 901671 A FR901671 A FR 901671A FR 901671 A FR901671 A FR 901671A FR 1326173 A FR1326173 A FR 1326173A
Authority
FR
France
Prior art keywords
support element
mine support
progressive advancement
advancement
progressive
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
FR901671A
Other languages
English (en)
Inventor
Karl Gerlach
Hans Gerlach
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
Priority to FR901671A priority Critical patent/FR1326173A/fr
Application granted granted Critical
Publication of FR1326173A publication Critical patent/FR1326173A/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
    • E21D15/48—Chocks or the like
    • E21D15/486—Chocks or the like with essential hydraulic or pneumatic details
    • 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
    • E21D15/588—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 the lock also being activated

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)
FR901671A 1962-06-22 1962-06-22 Elément de soutènement de mines pour avancement progressif Expired FR1326173A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR901671A FR1326173A (fr) 1962-06-22 1962-06-22 Elément de soutènement de mines pour avancement progressif

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR901671A FR1326173A (fr) 1962-06-22 1962-06-22 Elément de soutènement de mines pour avancement progressif

Publications (1)

Publication Number Publication Date
FR1326173A true FR1326173A (fr) 1963-05-03

Family

ID=8781665

Family Applications (1)

Application Number Title Priority Date Filing Date
FR901671A Expired FR1326173A (fr) 1962-06-22 1962-06-22 Elément de soutènement de mines pour avancement progressif

Country Status (1)

Country Link
FR (1) FR1326173A (fr)

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