BE652288A - - Google Patents

Info

Publication number
BE652288A
BE652288A BE652288DA BE652288A BE 652288 A BE652288 A BE 652288A BE 652288D A BE652288D A BE 652288DA BE 652288 A BE652288 A BE 652288A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE652288A publication Critical patent/BE652288A/xx

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J7/00—Piston-rods
    • 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
    • E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F13/00—Transport specially adapted to underground conditions
    • E21F13/08—Shifting conveyors or other transport devices from one location at the working face to another
    • E21F13/086—Armoured conveyors shifting devices
    • 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
    • F15B15/149—Fluid interconnections, e.g. fluid connectors, passages

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Press Drives And Press Lines (AREA)
BE652288D 1963-08-31 1964-08-26 BE652288A (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3448963 1963-08-31

Publications (1)

Publication Number Publication Date
BE652288A true BE652288A (cs) 1964-12-16

Family

ID=10366283

Family Applications (1)

Application Number Title Priority Date Filing Date
BE652288D BE652288A (cs) 1963-08-31 1964-08-26

Country Status (3)

Country Link
BE (1) BE652288A (cs)
DE (1) DE1608494A1 (cs)
NL (1) NL6410142A (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4147459A (en) * 1977-02-08 1979-04-03 Thyssen Industrie Ag Shifting device connected with a longwall conveyor for a progressive timbering frame

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4105006C1 (en) * 1991-02-19 1992-08-27 Maschinenfabrik Glueckauf Beukenberg Gmbh & Co, 4650 Gelsenkirchen, De Hydraulic ram for underground working - has extension eye on piston rod having galvanised surface, and sliding liner with grooves for compression and wiper rings

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4147459A (en) * 1977-02-08 1979-04-03 Thyssen Industrie Ag Shifting device connected with a longwall conveyor for a progressive timbering frame

Also Published As

Publication number Publication date
NL6410142A (cs) 1965-03-01
DE1608494A1 (de) 1970-12-10

Similar Documents

Publication Publication Date Title
BE627012A (cs)
BE626358A (cs)
BE626986A (cs)
NL6410142A (cs)
BE645937A (cs)
BE624982A (cs)
BE624811A (cs)
BE645165A (cs)
BE644552A (cs)
BE644549A (cs)
BE644165A (cs)
BE624070A (cs)
BE642164A (cs)
BE623490A (cs)
BE623315A (cs)
BE623220A (cs)
BE642111A (cs)
BE623162A (cs)
BE640394A (cs)
BE637562A (cs)
BE637202A (cs)
BE635972A (cs)
BE631860A (cs)
BE627172A (cs)
BE623117A (cs)