FR1377360A - Mine Roof Support Hydraulic Pile - Google Patents

Mine Roof Support Hydraulic Pile

Info

Publication number
FR1377360A
FR1377360A FR944533A FR944533A FR1377360A FR 1377360 A FR1377360 A FR 1377360A FR 944533 A FR944533 A FR 944533A FR 944533 A FR944533 A FR 944533A FR 1377360 A FR1377360 A FR 1377360A
Authority
FR
France
Prior art keywords
roof support
mine roof
support hydraulic
hydraulic pile
pile
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
FR944533A
Other languages
French (fr)
Inventor
Michel Meriaux
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 FR944533A priority Critical patent/FR1377360A/en
Priority to DE1964U0004526 priority patent/DE1975710U/en
Priority to GB3281064A priority patent/GB1034537A/en
Application granted granted Critical
Publication of FR1377360A publication Critical patent/FR1377360A/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
    • E21D15/48—Chocks or the like
    • E21D15/486—Chocks or the like with essential hydraulic or pneumatic details
    • 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
    • E21D15/445—Hydraulic, pneumatic, or hydraulic-pneumatic props comprising a fluid cushion
    • 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
    • E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
    • E21D23/0017—Pile type supports
    • E21D23/003—Pile type supports consisting of a rigid pile

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
FR944533A 1963-08-13 1963-08-13 Mine Roof Support Hydraulic Pile Expired FR1377360A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR944533A FR1377360A (en) 1963-08-13 1963-08-13 Mine Roof Support Hydraulic Pile
DE1964U0004526 DE1975710U (en) 1963-08-13 1964-07-28 HYDRAULIC PIT STAMP FOR ROOF MOUNTAINS.
GB3281064A GB1034537A (en) 1963-08-13 1964-08-12 Improvements in fluid-operated supports for mine roofs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR944533A FR1377360A (en) 1963-08-13 1963-08-13 Mine Roof Support Hydraulic Pile

Publications (1)

Publication Number Publication Date
FR1377360A true FR1377360A (en) 1964-11-06

Family

ID=8810440

Family Applications (1)

Application Number Title Priority Date Filing Date
FR944533A Expired FR1377360A (en) 1963-08-13 1963-08-13 Mine Roof Support Hydraulic Pile

Country Status (1)

Country Link
FR (1) FR1377360A (en)

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