FR1013518A - Support for props - Google Patents

Support for props

Info

Publication number
FR1013518A
FR1013518A FR1013518DA FR1013518A FR 1013518 A FR1013518 A FR 1013518A FR 1013518D A FR1013518D A FR 1013518DA FR 1013518 A FR1013518 A FR 1013518A
Authority
FR
France
Prior art keywords
props
support
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
Other languages
French (fr)
Inventor
Rene Gravelais
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
Application granted granted Critical
Publication of FR1013518A publication Critical patent/FR1013518A/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
    • E21D15/50—Component parts or details of props
    • E21D15/54—Details of the ends of props
    • E21D15/55—Details of the ends of props of prop heads or feet
    • 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
    • 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
    • E21D15/50—Component parts or details of props
    • E21D15/51—Component parts or details of props specially adapted to hydraulic, pneumatic, or hydraulic-pneumatic props, e.g. arrangements of relief valves
    • E21D15/515—Particular fluids not covered by any chemical subdivision
    • 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
    • E21D15/50—Component parts or details of props
    • E21D15/51—Component parts or details of props specially adapted to hydraulic, pneumatic, or hydraulic-pneumatic props, e.g. arrangements of relief valves
    • E21D15/517—Extension elements
    • 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
    • E21D15/50—Component parts or details of props
    • E21D15/52—Extensible units located above or below standard props
    • E21D15/523—Extensible units located above or below standard props with hydraulic or pneumatic control
    • 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
    • E21D15/58—Devices for setting props or chocks
    • E21D15/585—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important
    • E21D15/586—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important the props being pre-loaded

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)
FR1013518D 1949-10-15 1949-10-15 Support for props Expired FR1013518A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1013518T 1949-10-15

Publications (1)

Publication Number Publication Date
FR1013518A true FR1013518A (en) 1952-07-30

Family

ID=9571709

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1013518D Expired FR1013518A (en) 1949-10-15 1949-10-15 Support for props

Country Status (1)

Country Link
FR (1) FR1013518A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1010032B (en) * 1955-02-14 1957-06-13 Dobson Ltd W E & F Support device
DE1043251B (en) * 1955-06-24 1958-11-13 Hemscheidt Maschf Hermann Pit construction stamp
DE1103270B (en) * 1957-04-09 1961-03-30 Kloeckner Werke Ag Pressure gauge for hydraulic pit rams
DE1129439B (en) * 1957-07-20 1962-05-17 Hermann Schwarz K G Flexible support body for the pit construction
DE1141248B (en) * 1958-02-22 1962-12-20 Dowty Mining Equipment Ltd Hydraulically operated pit ram
DE1179528B (en) * 1956-04-17 1964-10-15 Bergwerksverband Ges Mit Besch Procedure for checking the correct setting of the elements of the route support frame and / or the stability of the rock supported by them
US4925160A (en) * 1987-09-16 1990-05-15 Dinol International Aktiebolag Floating frame

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1010032B (en) * 1955-02-14 1957-06-13 Dobson Ltd W E & F Support device
DE1043251B (en) * 1955-06-24 1958-11-13 Hemscheidt Maschf Hermann Pit construction stamp
DE1179528B (en) * 1956-04-17 1964-10-15 Bergwerksverband Ges Mit Besch Procedure for checking the correct setting of the elements of the route support frame and / or the stability of the rock supported by them
DE1103270B (en) * 1957-04-09 1961-03-30 Kloeckner Werke Ag Pressure gauge for hydraulic pit rams
DE1129439B (en) * 1957-07-20 1962-05-17 Hermann Schwarz K G Flexible support body for the pit construction
DE1141248B (en) * 1958-02-22 1962-12-20 Dowty Mining Equipment Ltd Hydraulically operated pit ram
US4925160A (en) * 1987-09-16 1990-05-15 Dinol International Aktiebolag Floating frame

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