FR1250922A - Mine support for sizes - Google Patents

Mine support for sizes

Info

Publication number
FR1250922A
FR1250922A FR820224A FR820224A FR1250922A FR 1250922 A FR1250922 A FR 1250922A FR 820224 A FR820224 A FR 820224A FR 820224 A FR820224 A FR 820224A FR 1250922 A FR1250922 A FR 1250922A
Authority
FR
France
Prior art keywords
sizes
mine support
mine
support
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
FR820224A
Other languages
French (fr)
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 FR820224A priority Critical patent/FR1250922A/en
Application granted granted Critical
Publication of FR1250922A publication Critical patent/FR1250922A/en
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
    • 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
    • E21D15/54—Details of the ends of 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
    • E21D15/58—Devices for setting props or chocks
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00—Caps for supporting mine roofs
    • E21D17/02—Cantilever extension or similar protecting devices
    • E21D17/04—Cantilever extension or similar protecting devices for use in longwall working
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
FR820224A 1960-03-03 1960-03-03 Mine support for sizes Expired FR1250922A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR820224A FR1250922A (en) 1960-03-03 1960-03-03 Mine support for sizes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR820224A FR1250922A (en) 1960-03-03 1960-03-03 Mine support for sizes

Publications (1)

Publication Number Publication Date
FR1250922A true FR1250922A (en) 1961-01-13

Family

ID=8726268

Family Applications (1)

Application Number Title Priority Date Filing Date
FR820224A Expired FR1250922A (en) 1960-03-03 1960-03-03 Mine support for sizes

Country Status (1)

Country Link
FR (1) FR1250922A (en)

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