FR1130903A - étançon de mine - Google Patents

étançon de mine

Info

Publication number
FR1130903A
FR1130903A FR1130903DA FR1130903A FR 1130903 A FR1130903 A FR 1130903A FR 1130903D A FR1130903D A FR 1130903DA FR 1130903 A FR1130903 A FR 1130903A
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)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CARBO STREBBAU GES DR ING V HI
EISENWERK WANHEIM GmbH
Original Assignee
CARBO STREBBAU GES DR ING V HI
EISENWERK WANHEIM GmbH
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 by CARBO STREBBAU GES DR ING V HI, EISENWERK WANHEIM GmbH filed Critical CARBO STREBBAU GES DR ING V HI
Application granted granted Critical
Publication of FR1130903A publication Critical patent/FR1130903A/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
    • E21D15/523—Extensible units located above or below standard props with hydraulic or pneumatic control
    • 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
    • E21D15/545—Details of the ends of props hydraulic or pneumatic

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)
FR1130903D 1954-09-10 1955-09-09 étançon de mine Expired FR1130903A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1130903X 1954-09-10

Publications (1)

Publication Number Publication Date
FR1130903A true FR1130903A (fr) 1957-02-13

Family

ID=7725541

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1130903D Expired FR1130903A (fr) 1954-09-10 1955-09-09 étançon de mine

Country Status (1)

Country Link
FR (1) FR1130903A (fr)

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