FR1453017A - deformable prop for mining operations - Google Patents

deformable prop for mining operations

Info

Publication number
FR1453017A
FR1453017A FR37202A FR37202A FR1453017A FR 1453017 A FR1453017 A FR 1453017A FR 37202 A FR37202 A FR 37202A FR 37202 A FR37202 A FR 37202A FR 1453017 A FR1453017 A FR 1453017A
Authority
FR
France
Prior art keywords
prop
deformable
mining operations
mining
operations
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
FR37202A
Other languages
French (fr)
Inventor
Friedrich Wilhelm Paurat
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 FR37202A priority Critical patent/FR1453017A/en
Application granted granted Critical
Publication of FR1453017A publication Critical patent/FR1453017A/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)
FR37202A 1965-11-04 1965-11-04 deformable prop for mining operations Expired FR1453017A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR37202A FR1453017A (en) 1965-11-04 1965-11-04 deformable prop for mining operations

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR37202A FR1453017A (en) 1965-11-04 1965-11-04 deformable prop for mining operations

Publications (1)

Publication Number Publication Date
FR1453017A true FR1453017A (en) 1966-04-15

Family

ID=8591788

Family Applications (1)

Application Number Title Priority Date Filing Date
FR37202A Expired FR1453017A (en) 1965-11-04 1965-11-04 deformable prop for mining operations

Country Status (1)

Country Link
FR (1) FR1453017A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2284024A1 (en) * 1974-09-05 1976-04-02 Mine Support Syst Pty Ltd COMPRESSIBLE STAY FOR MINE
USD377749S (en) 1995-08-09 1997-02-04 Collado Francisco R Air conditioner window holder

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2284024A1 (en) * 1974-09-05 1976-04-02 Mine Support Syst Pty Ltd COMPRESSIBLE STAY FOR MINE
USD377749S (en) 1995-08-09 1997-02-04 Collado Francisco R Air conditioner window holder

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