BE610401A - Etançon hydraulique - Google Patents

Etançon hydraulique

Info

Publication number
BE610401A
BE610401A BE610401A BE610401A BE610401A BE 610401 A BE610401 A BE 610401A BE 610401 A BE610401 A BE 610401A BE 610401 A BE610401 A BE 610401A BE 610401 A BE610401 A BE 610401A
Authority
BE
Belgium
Prior art keywords
hydraulic prop
prop
hydraulic
Prior art date
Application number
BE610401A
Other languages
English (en)
French (fr)
Original Assignee
Sagem
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 Sagem filed Critical Sagem
Publication of BE610401A publication Critical patent/BE610401A/fr

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14Telescopic props
    • E21D15/44Hydraulic, pneumatic, or hydraulic-pneumatic props
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/58Devices for setting props or chocks
    • E21D15/585Devices 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
    • E21D15/586Devices 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)
  • Safety Valves (AREA)
  • Mechanically-Actuated Valves (AREA)
BE610401A 1960-11-22 1961-11-16 Etançon hydraulique BE610401A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR844641A FR1280684A (fr) 1960-11-22 1960-11-22 étançon hydraulique

Publications (1)

Publication Number Publication Date
BE610401A true BE610401A (fr) 1962-03-16

Family

ID=8743198

Family Applications (1)

Application Number Title Priority Date Filing Date
BE610401A BE610401A (fr) 1960-11-22 1961-11-16 Etançon hydraulique

Country Status (4)

Country Link
BE (1) BE610401A (de)
DE (1) DE1199218B (de)
FR (1) FR1280684A (de)
GB (1) GB981619A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1243610B (de) * 1964-07-09 1967-07-06 Hermann Schwarz Kommanditgesel Druckmittelbetriebener Grubenstempel
GB2069048B (en) * 1980-01-21 1984-06-06 Commercial Shearing Longwall jacks

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1685697A (en) * 1926-07-30 1928-09-25 Nathan M Guinsburg Jack
BE486663A (de) * 1948-01-12
DE809903C (de) * 1948-08-25 1951-08-02 Mavor & Coulson Ltd Hydraulischer Stempel fuer den Grubenbetrieb
DE924142C (de) * 1951-04-08 1955-02-28 Ringfeder Gmbh Grubenstempel
DE919525C (de) * 1951-05-01 1954-10-25 Gullick Ltd Hydraulischer Grubenstempel
GB700790A (en) * 1951-07-19 1953-12-09 Dowty Auto Units Ltd Improvements relating to valves
GB767561A (en) * 1952-07-15 1957-02-06 Gullick Ltd Improvements in or relating to mining chocks and the like
BE526791A (de) * 1953-02-25
DE1062654B (de) * 1956-04-03 1959-08-06 Kloeckner Bergbau Viktor Icker Hydraulischer Grubenstempel
GB891624A (en) * 1958-01-02 1962-03-14 Dowty Mining Equipment Ltd Valves suitable for use as air breather valves in pit props

Also Published As

Publication number Publication date
DE1199218B (de) 1965-08-26
GB981619A (en) 1965-01-27
FR1280684A (fr) 1962-01-08

Similar Documents

Publication Publication Date Title
FR1291463A (fr) Transmission hydraulique
FR1253096A (fr) Coupleur hydraulique
BE601152A (fr) Etançons ou vérins perfectionnés
FR1280684A (fr) étançon hydraulique
FR1284387A (fr) Support hydraulique
CH390059A (de) Hydraulischer Akkumulator
CH375232A (fr) Régulateur hydraulique
FR1248352A (fr) étai hydraulique de mine
FR1292586A (fr) étai hydraulique
FR1273119A (fr) Treuil hydraulique
FR1279260A (fr) Appareil-transformateur-centrifugeur hydraulique
FR1289337A (fr) étançon de mine hydraulique
FR78812E (fr) Perfectionnements aux turbo-coupleurs hydrauliques
BE603540A (fr) Etançon de mine
FR1247509A (fr) étançon hydraulique
FR1198137A (fr) étançon hydraulique
FR1308403A (fr) étançon hydraulique télescopique
FR1260621A (fr) étai tubulaire
FR1252892A (fr) Distributeur hydraulique
FR1258270A (fr) Récepteur-moteur hydraulique
CH385524A (de) Hydraulisches Drehzahlmesswerk
FR1283309A (fr) Accouplement hydraulique
FR1269041A (fr) Piston
FR1263628A (fr) Transmission hydraulique
FR1267625A (fr) Transmission hydraulique