FR1018770A - Verrou pour étançon de mine - Google Patents

Verrou pour étançon de mine

Info

Publication number
FR1018770A
FR1018770A FR1018770DA FR1018770A FR 1018770 A FR1018770 A FR 1018770A FR 1018770D A FR1018770D A FR 1018770DA FR 1018770 A FR1018770 A FR 1018770A
Authority
FR
France
Prior art keywords
lock
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.)
Alpine Montan AG
Original Assignee
Alpine Montan AG
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 Alpine Montan AG filed Critical Alpine Montan AG
Application granted granted Critical
Publication of FR1018770A publication Critical patent/FR1018770A/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
    • E21D15/40—Collar or other support gripped to one or both parts by toggle-action, cam, or other member pivoted or similarly mounted
    • 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
    • E21D15/56—Details of locks of telescopic props

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)
FR1018770D 1948-12-30 1949-12-30 Verrou pour étançon de mine Expired FR1018770A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT1018770X 1948-12-30

Publications (1)

Publication Number Publication Date
FR1018770A true FR1018770A (fr) 1953-01-13

Family

ID=3684176

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1018770D Expired FR1018770A (fr) 1948-12-30 1949-12-30 Verrou pour étançon de mine

Country Status (1)

Country Link
FR (1) FR1018770A (fr)

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