DE8212164U1 - Hydraulischer presszylinder fuer den rohrvorpressbetrieb - Google Patents

Hydraulischer presszylinder fuer den rohrvorpressbetrieb

Info

Publication number
DE8212164U1
DE8212164U1 DE19828212164 DE8212164U DE8212164U1 DE 8212164 U1 DE8212164 U1 DE 8212164U1 DE 19828212164 DE19828212164 DE 19828212164 DE 8212164 U DE8212164 U DE 8212164U DE 8212164 U1 DE8212164 U1 DE 8212164U1
Authority
DE
Germany
Prior art keywords
piston
press cylinder
stage
hydraulic press
telescopic
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
DE19828212164
Other languages
German (de)
English (en)
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.)
Gewerkschaft Eisenhutte Westfalia GmbH
Original Assignee
Gewerkschaft Eisenhutte Westfalia GmbH
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 Gewerkschaft Eisenhutte Westfalia GmbH filed Critical Gewerkschaft Eisenhutte Westfalia GmbH
Priority to DE19828212164 priority Critical patent/DE8212164U1/de
Publication of DE8212164U1 publication Critical patent/DE8212164U1/de
Priority to AU13931/83A priority patent/AU559835B2/en
Priority to FR8306930A priority patent/FR2526091A1/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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/16—Characterised by the construction of the motor unit of the straight-cylinder type of the telescopic type

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Press Drives And Press Lines (AREA)
  • Actuator (AREA)
DE19828212164 1982-04-28 1982-04-28 Hydraulischer presszylinder fuer den rohrvorpressbetrieb Expired DE8212164U1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE19828212164 DE8212164U1 (de) 1982-04-28 1982-04-28 Hydraulischer presszylinder fuer den rohrvorpressbetrieb
AU13931/83A AU559835B2 (en) 1982-04-28 1983-04-26 Telescopic ram
FR8306930A FR2526091A1 (fr) 1982-04-28 1983-04-27 Verin hydraulique de poussee pour mecanisme de foncage horizontal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19828212164 DE8212164U1 (de) 1982-04-28 1982-04-28 Hydraulischer presszylinder fuer den rohrvorpressbetrieb

Publications (1)

Publication Number Publication Date
DE8212164U1 true DE8212164U1 (de) 1982-08-12

Family

ID=6739520

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19828212164 Expired DE8212164U1 (de) 1982-04-28 1982-04-28 Hydraulischer presszylinder fuer den rohrvorpressbetrieb

Country Status (3)

Country Link
AU (1) AU559835B2 (enrdf_load_stackoverflow)
DE (1) DE8212164U1 (enrdf_load_stackoverflow)
FR (1) FR2526091A1 (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3622424A1 (de) * 1986-07-03 1988-01-14 Montan Hydraulik Gmbh & Co Kg Zweistufiger teleskopzylinder
DE3829646A1 (de) * 1988-09-01 1990-03-15 Teves Gmbh Alfred Reservoir fuer einen druckmittelkreis, insbesondere flugzeughydraulikkreis

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB954676A (en) * 1960-12-22 1964-04-08 Dowty Mining Equipment Ltd Telescopic hydraulic props
FR1366520A (fr) * 1962-08-21 1964-07-10 Electro Hydraulics Ltd Dispositifs de soutènement pour exploitations minières
FR1431566A (fr) * 1965-04-23 1966-03-11 Gewerk Eisenhuette Westfalia étançon à semelle amovible, utilisable notamment dans les mines
US3610100A (en) * 1969-06-12 1971-10-05 Koehring Co Telescopic actuator
DE2941168A1 (de) * 1979-10-11 1981-04-23 Thyssen Industrie Ag, 4300 Essen Hydraulisch betaetigbares schubkolbengetriebe, vornehmlich zur verwendung im bergbau

Also Published As

Publication number Publication date
FR2526091A1 (fr) 1983-11-04
AU559835B2 (en) 1987-03-19
FR2526091B1 (enrdf_load_stackoverflow) 1985-04-26
AU1393183A (en) 1983-11-03

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