FR1180686A - étançon de mine - Google Patents

étançon de mine

Info

Publication number
FR1180686A
FR1180686A FR1180686DA FR1180686A FR 1180686 A FR1180686 A FR 1180686A FR 1180686D A FR1180686D A FR 1180686DA FR 1180686 A FR1180686 A FR 1180686A
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
Wilhelm Steinkopf
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 FR1180686A publication Critical patent/FR1180686A/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
    • E21D15/14—Telescopic props
    • E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
    • E21D15/32—Telescopic props with parts held relatively to each other by friction or gripping by a deformable collar or clamping means applied symmetrically inside a locking ring
    • 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
    • E21D15/285—Telescopic props with parts held relatively to each other by friction or gripping by means of wedges or wedge combinations

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)
FR1180686D 1956-06-09 1957-06-06 étançon de mine Expired FR1180686A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1180686X 1956-06-09

Publications (1)

Publication Number Publication Date
FR1180686A true FR1180686A (fr) 1959-06-08

Family

ID=7730199

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1180686D Expired FR1180686A (fr) 1956-06-09 1957-06-06 étançon de mine

Country Status (1)

Country Link
FR (1) FR1180686A (fr)

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