FR1330181A - Frame or equivalent collapsible support usable in particular in mines - Google Patents

Frame or equivalent collapsible support usable in particular in mines

Info

Publication number
FR1330181A
FR1330181A FR896122A FR896122A FR1330181A FR 1330181 A FR1330181 A FR 1330181A FR 896122 A FR896122 A FR 896122A FR 896122 A FR896122 A FR 896122A FR 1330181 A FR1330181 A FR 1330181A
Authority
FR
France
Prior art keywords
mines
equivalent
frame
collapsible support
support usable
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
FR896122A
Other languages
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.)
C I M CONSULTANTS Ltd
Original Assignee
C I M CONSULTANTS Ltd
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 C I M CONSULTANTS Ltd filed Critical C I M CONSULTANTS Ltd
Priority to FR896122A priority Critical patent/FR1330181A/en
Application granted granted Critical
Publication of FR1330181A publication Critical patent/FR1330181A/en
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
    • E21D15/16—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure
    • E21D15/22—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure with member, pin, cross- piece, or the like, ruptured, sheared through, or permanently deformed upon excessive pressure
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/14—Lining predominantly with metal
    • E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
    • E21D11/183—Supporting means for arch members, not provided for in E21D11/22

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)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
FR896122A 1962-05-02 1962-05-02 Frame or equivalent collapsible support usable in particular in mines Expired FR1330181A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR896122A FR1330181A (en) 1962-05-02 1962-05-02 Frame or equivalent collapsible support usable in particular in mines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR896122A FR1330181A (en) 1962-05-02 1962-05-02 Frame or equivalent collapsible support usable in particular in mines

Publications (1)

Publication Number Publication Date
FR1330181A true FR1330181A (en) 1963-06-21

Family

ID=8777983

Family Applications (1)

Application Number Title Priority Date Filing Date
FR896122A Expired FR1330181A (en) 1962-05-02 1962-05-02 Frame or equivalent collapsible support usable in particular in mines

Country Status (1)

Country Link
FR (1) FR1330181A (en)

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