BE761635A - Etancon telescopique hydraulique double de mine - Google Patents

Etancon telescopique hydraulique double de mine

Info

Publication number
BE761635A
BE761635A BE761635A BE761635A BE761635A BE 761635 A BE761635 A BE 761635A BE 761635 A BE761635 A BE 761635A BE 761635 A BE761635 A BE 761635A BE 761635 A BE761635 A BE 761635A
Authority
BE
Belgium
Prior art keywords
sealer
double
hydraulic telescopic
mine hydraulic
mine
Prior art date
Application number
BE761635A
Other languages
English (en)
Original Assignee
Kloeckner Werke Ag
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 Kloeckner Werke Ag filed Critical Kloeckner Werke Ag
Publication of BE761635A publication Critical patent/BE761635A/fr

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
    • E21D15/14—Telescopic props
    • E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
    • 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)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Check Valves (AREA)
  • Control Of Presses (AREA)
BE761635A 1970-01-16 1971-01-15 Etancon telescopique hydraulique double de mine BE761635A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2001809A DE2001809C3 (de) 1970-01-16 1970-01-16 Hydraulischer Doppelteleskopstempel

Publications (1)

Publication Number Publication Date
BE761635A true BE761635A (fr) 1971-06-16

Family

ID=5759759

Family Applications (1)

Application Number Title Priority Date Filing Date
BE761635A BE761635A (fr) 1970-01-16 1971-01-15 Etancon telescopique hydraulique double de mine

Country Status (4)

Country Link
BE (1) BE761635A (fr)
DE (1) DE2001809C3 (fr)
FR (1) FR2075424A5 (fr)
ZA (1) ZA71150B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3150643A1 (de) * 1981-12-21 1983-06-30 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Hydraulischer teleskopstempel, insbesondere fuer einen untertaegigen schreitausbau, wie vor allem schildausbaugestelle
FR2711398A1 (fr) * 1993-10-18 1995-04-28 Bourgeois Alain Vérin télescopique à déploiement simultané.

Also Published As

Publication number Publication date
DE2001809C3 (de) 1974-04-25
DE2001809A1 (de) 1971-07-22
ZA71150B (en) 1971-10-27
DE2001809B2 (de) 1973-10-04
FR2075424A5 (fr) 1971-10-08

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