FR1307885A - Hydraulic support such as a mine prop - Google Patents

Hydraulic support such as a mine prop

Info

Publication number
FR1307885A
FR1307885A FR881834A FR881834A FR1307885A FR 1307885 A FR1307885 A FR 1307885A FR 881834 A FR881834 A FR 881834A FR 881834 A FR881834 A FR 881834A FR 1307885 A FR1307885 A FR 1307885A
Authority
FR
France
Prior art keywords
hydraulic support
mine prop
prop
mine
hydraulic
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
FR881834A
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.)
Mastabar Mining Equipment Co Ltd
Original Assignee
Mastabar Mining Equipment Co 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 Mastabar Mining Equipment Co Ltd filed Critical Mastabar Mining Equipment Co Ltd
Priority to FR881834A priority Critical patent/FR1307885A/en
Application granted granted Critical
Publication of FR1307885A publication Critical patent/FR1307885A/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
    • E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
    • E21D15/45—Hydraulic, pneumatic, or hydraulic-pneumatic props having closed fluid system, e.g. with built-in pumps or accumulators

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)
FR881834A 1961-12-13 1961-12-13 Hydraulic support such as a mine prop Expired FR1307885A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR881834A FR1307885A (en) 1961-12-13 1961-12-13 Hydraulic support such as a mine prop

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR881834A FR1307885A (en) 1961-12-13 1961-12-13 Hydraulic support such as a mine prop

Publications (1)

Publication Number Publication Date
FR1307885A true FR1307885A (en) 1962-10-26

Family

ID=8768634

Family Applications (1)

Application Number Title Priority Date Filing Date
FR881834A Expired FR1307885A (en) 1961-12-13 1961-12-13 Hydraulic support such as a mine prop

Country Status (1)

Country Link
FR (1) FR1307885A (en)

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