FR1463320A - étai avec prolongateur interchangeable - Google Patents

étai avec prolongateur interchangeable

Info

Publication number
FR1463320A
FR1463320A FR45270A FR45270A FR1463320A FR 1463320 A FR1463320 A FR 1463320A FR 45270 A FR45270 A FR 45270A FR 45270 A FR45270 A FR 45270A FR 1463320 A FR1463320 A FR 1463320A
Authority
FR
France
Prior art keywords
forestay
interchangeable extension
interchangeable
extension
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
FR45270A
Other languages
English (en)
French (fr)
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.)
Kloeckner Werke AG
Original Assignee
Kloeckner Werke 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 Kloeckner Werke AG filed Critical Kloeckner Werke AG
Application granted granted Critical
Publication of FR1463320A publication Critical patent/FR1463320A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G25/00—Shores or struts; Chocks
    • 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
    • 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
    • E21D23/0047—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor without essential shifting devices
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
FR45270A 1965-01-09 1966-01-08 étai avec prolongateur interchangeable Expired FR1463320A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK0054970 1965-01-09

Publications (1)

Publication Number Publication Date
FR1463320A true FR1463320A (fr) 1966-12-23

Family

ID=7227309

Family Applications (1)

Application Number Title Priority Date Filing Date
FR45270A Expired FR1463320A (fr) 1965-01-09 1966-01-08 étai avec prolongateur interchangeable

Country Status (2)

Country Link
BE (1) BE674824A (enrdf_load_stackoverflow)
FR (1) FR1463320A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
BE674824A (enrdf_load_stackoverflow) 1966-05-03

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