FR1006760A - étançon hydraulique sans pompe individuelle - Google Patents

étançon hydraulique sans pompe individuelle

Info

Publication number
FR1006760A
FR1006760A FR1006760DA FR1006760A FR 1006760 A FR1006760 A FR 1006760A FR 1006760D A FR1006760D A FR 1006760DA FR 1006760 A FR1006760 A FR 1006760A
Authority
FR
France
Prior art keywords
hydraulic prop
individual pump
pump
individual
prop
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
English (en)
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 FR1006760A publication Critical patent/FR1006760A/fr
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
    • E21D15/51—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
    • E21D15/14—Telescopic props
    • E21D15/15—Means counteracting entry of dirt; Built-in cleaning devices
    • 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
    • E21D15/58—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)
FR1006760D 1949-10-15 1949-10-15 étançon hydraulique sans pompe individuelle Expired FR1006760A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1006760T 1949-10-15

Publications (1)

Publication Number Publication Date
FR1006760A true FR1006760A (fr) 1952-04-28

Family

ID=9566046

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1006760D Expired FR1006760A (fr) 1949-10-15 1949-10-15 étançon hydraulique sans pompe individuelle

Country Status (1)

Country Link
FR (1) FR1006760A (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1035600B (de) * 1956-04-09 1958-08-07 Hemscheidt Maschf Hermann Verlaengerung fuer einen hydraulischen Ausbaustempel
DE1037991B (de) * 1956-05-01 1958-09-04 Dowty Mining Equipment Ltd Hydraulischer Grubenstempel
DE1103270B (de) * 1957-04-09 1961-03-30 Kloeckner Werke Ag Druckmessgeraet fuer hydraulische Grubenstempel
US3028142A (en) * 1959-01-19 1962-04-03 Modern Hydraulics Inc Quick-acting hydraulic jack
DE1129439B (de) * 1957-07-20 1962-05-17 Hermann Schwarz K G Nachgiebiger Stuetzkoerper fuer den Grubenausbau
DE1141248B (de) * 1958-02-22 1962-12-20 Dowty Mining Equipment Ltd Hydraulisch betaetigter Grubenstempel
US3072994A (en) * 1955-06-06 1963-01-15 Alan E Brickman Apparatus for making post-stressed reinforced cement-concrete structures
US3115332A (en) * 1960-07-27 1963-12-24 Diamond Power Speciality Stud tensioner drawbar connector
DE1164957B (de) * 1960-01-27 1964-03-12 Dobson Ltd W E & F Hydraulisch verstellbarer Ausbaustempel
FR2503688A1 (fr) * 1981-04-10 1982-10-15 Gewerk Eisenhuette Westfalia Cylindre presseur hydraulique pour ripage par pression de tubes et analogues

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3072994A (en) * 1955-06-06 1963-01-15 Alan E Brickman Apparatus for making post-stressed reinforced cement-concrete structures
DE1035600B (de) * 1956-04-09 1958-08-07 Hemscheidt Maschf Hermann Verlaengerung fuer einen hydraulischen Ausbaustempel
DE1037991B (de) * 1956-05-01 1958-09-04 Dowty Mining Equipment Ltd Hydraulischer Grubenstempel
DE1103270B (de) * 1957-04-09 1961-03-30 Kloeckner Werke Ag Druckmessgeraet fuer hydraulische Grubenstempel
DE1129439B (de) * 1957-07-20 1962-05-17 Hermann Schwarz K G Nachgiebiger Stuetzkoerper fuer den Grubenausbau
DE1141248B (de) * 1958-02-22 1962-12-20 Dowty Mining Equipment Ltd Hydraulisch betaetigter Grubenstempel
US3028142A (en) * 1959-01-19 1962-04-03 Modern Hydraulics Inc Quick-acting hydraulic jack
DE1164957B (de) * 1960-01-27 1964-03-12 Dobson Ltd W E & F Hydraulisch verstellbarer Ausbaustempel
US3115332A (en) * 1960-07-27 1963-12-24 Diamond Power Speciality Stud tensioner drawbar connector
FR2503688A1 (fr) * 1981-04-10 1982-10-15 Gewerk Eisenhuette Westfalia Cylindre presseur hydraulique pour ripage par pression de tubes et analogues

Similar Documents

Publication Publication Date Title
FR1023511A (fr) Pompes rotatives
FR1006760A (fr) étançon hydraulique sans pompe individuelle
NL146908B (nl) Pomp.
FR945332A (fr) Pompe hydraulique à volume variable
FR1033552A (fr) Pompe de servitudes
FR1027661A (fr) Pompe
FR954019A (fr) Pompe
FR995004A (fr) Pompe de compression
FR1023657A (fr) Pompe de circulation
FR1030140A (fr) Pompe à double effet
FR983517A (fr) Pompe alternative
FR1030094A (fr) Pompe auto-régulatrice
FR996784A (fr) Pompe hydraulique à haute pression
FR60486E (fr) Pompe hydraulique à haute pression
FR1049365A (fr) Pompe
FR1084972A (fr) Pompe hydraulique à course variable
FR973068A (fr) Pompe
FR1023620A (fr) Pompe de circulation
FR1023627A (fr) Pompe de circulation
FR991838A (fr) Pompe à piston
FR940360A (fr) Pompe de compression hydraulique
FR931293A (fr) Pompe réversible
FR1012019A (fr) Pompe à engrenages
BE497566A (fr) Pompe de circulation.
BE497567A (fr) Pompe de circulation.