FR1206464A - étançon de mine - Google Patents

étançon de mine

Info

Publication number
FR1206464A
FR1206464A FR1206464DA FR1206464A FR 1206464 A FR1206464 A FR 1206464A FR 1206464D A FR1206464D A FR 1206464DA FR 1206464 A FR1206464 A FR 1206464A
Authority
FR
France
Prior art keywords
mine prop
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
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 FR1206464A publication Critical patent/FR1206464A/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
    • E21D15/502—Prop bodies characterised by their shape, e.g. of specified cross-section
    • 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
    • E21D15/42—Telescopic props with parts held relatively to each other by friction or gripping with special parts to influence the friction

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)
FR1206464D 1957-10-24 1958-10-24 étançon de mine Expired FR1206464A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1206464X 1957-10-24

Publications (1)

Publication Number Publication Date
FR1206464A true FR1206464A (fr) 1960-02-10

Family

ID=7732750

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1206464D Expired FR1206464A (fr) 1957-10-24 1958-10-24 étançon de mine

Country Status (1)

Country Link
FR (1) FR1206464A (fr)

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