BE533818A - - Google Patents

Info

Publication number
BE533818A
BE533818A BE533818DA BE533818A BE 533818 A BE533818 A BE 533818A BE 533818D A BE533818D A BE 533818DA BE 533818 A BE533818 A BE 533818A
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.)
Publication date
Publication of BE533818A publication Critical patent/BE533818A/xx

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
    • E21D15/46—Telescopic props with load-measuring devices; with alarm devices
    • E21D15/465—Telescopic props with load-measuring devices; with alarm devices with essential hydraulic or pneumatic details
    • 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
    • E21D15/50—Component parts or details of props
    • E21D15/51—Component parts or details of props specially adapted to hydraulic, pneumatic, or hydraulic-pneumatic props, e.g. arrangements of relief valves
    • E21D15/512—Arrangement of valves
    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • F16K17/0406—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded in the form of balls
    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • F16K17/0433—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with vibration preventing means

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Safety Valves (AREA)
  • Fluid-Pressure Circuits (AREA)
BE533818D 1953-12-02 BE533818A (et)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB33503/53A GB753532A (en) 1953-12-02 1953-12-02 Improvements relating to liquid pressure relief valves

Publications (1)

Publication Number Publication Date
BE533818A true BE533818A (et) 1900-01-01

Family

ID=10353808

Family Applications (1)

Application Number Title Priority Date Filing Date
BE533818D BE533818A (et) 1953-12-02

Country Status (5)

Country Link
BE (1) BE533818A (et)
DE (1) DE967341C (et)
FR (1) FR1114705A (et)
GB (1) GB753532A (et)
NL (1) NL192698A (et)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1131625B (de) * 1955-08-13 1962-06-20 Kronprinz Ag Hydraulischer Grubenstempel
DE1062654B (de) * 1956-04-03 1959-08-06 Kloeckner Bergbau Viktor Icker Hydraulischer Grubenstempel
DE1041446B (de) * 1957-07-04 1958-10-23 Kronprinz Ag UEberdruckventil fuer hydraulische Grubenstempel
DE1143469B (de) * 1957-07-30 1963-02-14 Gewerk Eisenhuette Westfalia Ventil zur Steuerung hydraulicher Ausbaugestelle fuer bergmaennische Gewinnungsbetriebe
BE571152A (et) * 1957-09-13
DE1171382B (de) * 1960-02-23 1964-06-04 H Joe Rheinbay Dipl Ing Hydraulischer Grubenstempel
DE1193909B (de) * 1964-02-20 1965-06-03 Karl Hohberg UEberstroem-, Fuell- und Entleerungsventil fuer hydraulische Grubenstempel

Also Published As

Publication number Publication date
DE967341C (de) 1957-11-07
FR1114705A (fr) 1956-04-16
NL192698A (et) 1900-01-01
GB753532A (en) 1956-07-25

Similar Documents

Publication Publication Date Title
IT822930A (et)
AT12969B (et)
AT12659B (et)
AT11700B (et)
AT13731B (et)
AT12729B (et)
AT12600B (et)
AT12855B (et)
AT11564B (et)
AT11599B (et)
AT11623B (et)
AT11625B (et)
AT11687B (et)
AT11502B (et)
AT11823B (et)
AT11953B (et)
AT12014B (et)
AT12070B (et)
AT12074B (et)
AT12112B (et)
AT12212B (et)
AT12322B (et)
AT12513B (et)
GB190019711A (et)
AT12657B (et)