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PL308529A1 - Hydraulic control unit - Google Patents

Hydraulic control unit

Info

Publication number
PL308529A1
PL308529A1 PL30852995A PL30852995A PL308529A1 PL 308529 A1 PL308529 A1 PL 308529A1 PL 30852995 A PL30852995 A PL 30852995A PL 30852995 A PL30852995 A PL 30852995A PL 308529 A1 PL308529 A1 PL 308529A1
Authority
PL
Poland
Prior art keywords
control unit
hydraulic control
hydraulic
unit
control
Prior art date
Application number
PL30852995A
Inventor
Rolf Beils
Rainer Stich
Original Assignee
Tiefenbach 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 Tiefenbach Gmbh filed Critical Tiefenbach Gmbh
Publication of PL308529A1 publication Critical patent/PL308529A1/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

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)
  • Fluid-Pressure Circuits (AREA)
PL30852995A 1994-05-13 1995-05-10 Hydraulic control unit PL308529A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4416905 1994-05-13

Publications (1)

Publication Number Publication Date
PL308529A1 true PL308529A1 (en) 1995-11-27

Family

ID=6518059

Family Applications (1)

Application Number Title Priority Date Filing Date
PL30852995A PL308529A1 (en) 1994-05-13 1995-05-10 Hydraulic control unit

Country Status (2)

Country Link
DE (1) DE19515124A1 (en)
PL (1) PL308529A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002068798A1 (en) 2001-02-24 2002-09-06 Tiefenbach Bergbautechnik Gmbh Longwall face control for longwall face working
DE202004011227U1 (en) * 2004-07-16 2005-08-25 Dbt Gmbh Individual control unit for support structures in mines comprises a sheet-metal housing which accommodates electronic equipment, and is provided with an operating keyboard on its front face

Also Published As

Publication number Publication date
DE19515124A1 (en) 1995-11-16

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