FR1316824A - Framework for mining - Google Patents

Framework for mining

Info

Publication number
FR1316824A
FR1316824A FR889869A FR889869A FR1316824A FR 1316824 A FR1316824 A FR 1316824A FR 889869 A FR889869 A FR 889869A FR 889869 A FR889869 A FR 889869A FR 1316824 A FR1316824 A FR 1316824A
Authority
FR
France
Prior art keywords
mining
framework
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
FR889869A
Other languages
French (fr)
Inventor
Heinz Goldau
Karl Buser
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
Priority to FR889869A priority Critical patent/FR1316824A/en
Application granted granted Critical
Publication of FR1316824A publication Critical patent/FR1316824A/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
    • E21D15/18—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure with one part resting on a supporting medium, e.g. rubber, sand, bitumen, lead, located in the other part, with or without expulsion or displacement of the medium upon excessive pressure

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)
FR889869A 1962-03-02 1962-03-02 Framework for mining Expired FR1316824A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR889869A FR1316824A (en) 1962-03-02 1962-03-02 Framework for mining

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR889869A FR1316824A (en) 1962-03-02 1962-03-02 Framework for mining

Publications (1)

Publication Number Publication Date
FR1316824A true FR1316824A (en) 1963-02-01

Family

ID=8773944

Family Applications (1)

Application Number Title Priority Date Filing Date
FR889869A Expired FR1316824A (en) 1962-03-02 1962-03-02 Framework for mining

Country Status (1)

Country Link
FR (1) FR1316824A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2220665A1 (en) * 1973-03-07 1974-10-04 Mine Support Syst Pty Ltd
US4405262A (en) * 1980-01-08 1983-09-20 Masaya Nagashima Method for erection of a temporary bridge, and a pile means therefor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2220665A1 (en) * 1973-03-07 1974-10-04 Mine Support Syst Pty Ltd
US4405262A (en) * 1980-01-08 1983-09-20 Masaya Nagashima Method for erection of a temporary bridge, and a pile means therefor

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