FR1167165A - Piédroit pour mines - Google Patents

Piédroit pour mines

Info

Publication number
FR1167165A
FR1167165A FR1167165DA FR1167165A FR 1167165 A FR1167165 A FR 1167165A FR 1167165D A FR1167165D A FR 1167165DA FR 1167165 A FR1167165 A FR 1167165A
Authority
FR
France
Prior art keywords
mining stand
mining
stand
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)
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
Application granted granted Critical
Publication of FR1167165A publication Critical patent/FR1167165A/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
    • E21D15/52—Extensible units located above or below standard props
    • 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
    • E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
    • E21D15/38—Telescopic props with parts held relatively to each other by friction or gripping with longitudinally-divided upper or lower prop parts, e.g. interfitting laminations

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)
FR1167165D 1957-02-22 1957-02-22 Piédroit pour mines Expired FR1167165A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1167165T 1957-02-22

Publications (1)

Publication Number Publication Date
FR1167165A true FR1167165A (fr) 1958-11-21

Family

ID=9655428

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1167165D Expired FR1167165A (fr) 1957-02-22 1957-02-22 Piédroit pour mines

Country Status (1)

Country Link
FR (1) FR1167165A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3201076A (en) * 1961-01-25 1965-08-17 Commissariat Energie Atomique Constant-height vertical support device, in particular for tanks
US3218811A (en) * 1961-04-28 1965-11-23 Rheinstahl Gmbh Wanheim Composite cap for mine roof supports
US3312071A (en) * 1965-05-08 1967-04-04 Gewerk Eisenhuette Westfalia Mine roof support cap with cantilever projection member

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3201076A (en) * 1961-01-25 1965-08-17 Commissariat Energie Atomique Constant-height vertical support device, in particular for tanks
US3218811A (en) * 1961-04-28 1965-11-23 Rheinstahl Gmbh Wanheim Composite cap for mine roof supports
US3312071A (en) * 1965-05-08 1967-04-04 Gewerk Eisenhuette Westfalia Mine roof support cap with cantilever projection member

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