BE618647A - Distribution block for mobile hydraulic support, usable in particular in mines - Google Patents

Distribution block for mobile hydraulic support, usable in particular in mines

Info

Publication number
BE618647A
BE618647A BE618647A BE618647A BE618647A BE 618647 A BE618647 A BE 618647A BE 618647 A BE618647 A BE 618647A BE 618647 A BE618647 A BE 618647A BE 618647 A BE618647 A BE 618647A
Authority
BE
Belgium
Prior art keywords
mines
usable
hydraulic support
distribution block
mobile hydraulic
Prior art date
Application number
BE618647A
Other languages
French (fr)
Original Assignee
Gewerk Eisenhuette Westfalia
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 Gewerk Eisenhuette Westfalia filed Critical Gewerk Eisenhuette Westfalia
Publication of BE618647A publication Critical patent/BE618647A/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
    • E21D23/26—Hydraulic or pneumatic control
    • 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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Preventing Unauthorised Actuation Of Valves (AREA)
  • Mechanically-Actuated Valves (AREA)
BE618647A 1961-06-09 1962-06-07 Distribution block for mobile hydraulic support, usable in particular in mines BE618647A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEG32453A DE1127298B (en) 1961-06-09 1961-06-09 Control valve for migrating hydraulic longwall mining

Publications (1)

Publication Number Publication Date
BE618647A true BE618647A (en) 1962-12-14

Family

ID=7124468

Family Applications (1)

Application Number Title Priority Date Filing Date
BE618647A BE618647A (en) 1961-06-09 1962-06-07 Distribution block for mobile hydraulic support, usable in particular in mines

Country Status (3)

Country Link
BE (1) BE618647A (en)
DE (1) DE1127298B (en)
GB (1) GB980498A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1193909B (en) * 1964-02-20 1965-06-03 Karl Hohberg Overflow, fill and drain valve for hydraulic pit rams

Also Published As

Publication number Publication date
GB980498A (en) 1965-01-13
DE1127298B (en) 1962-04-12

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