BE571508A - - Google Patents

Info

Publication number
BE571508A
BE571508A BE571508DA BE571508A BE 571508 A BE571508 A BE 571508A BE 571508D A BE571508D A BE 571508DA BE 571508 A BE571508 A BE 571508A
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 of BE571508A publication Critical patent/BE571508A/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
    • 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
    • F16K17/044—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 more than one spring
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • F16K17/10—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 auxiliary valve for fluid operation of the main valve
    • 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
    • F16K17/168—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side combined with manually-controlled valves, e.g. a valve combined with a safety valve
BE571508D 1957-09-28 BE571508A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB46227A DE1059733B (en) 1957-09-28 1957-09-28 Overflow valve for a pressurized system

Publications (1)

Publication Number Publication Date
BE571508A true BE571508A (en)

Family

ID=32047234

Family Applications (1)

Application Number Title Priority Date Filing Date
BE571508D BE571508A (en) 1957-09-28

Country Status (4)

Country Link
BE (1) BE571508A (en)
DE (1) DE1059733B (en)
FR (1) FR1214927A (en)
GB (1) GB857393A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1090610B (en) * 1959-03-11 1960-10-13 Bwg Bergwerk Walzwerk Overpressure valve set, especially for hydraulic pit rams
DE1137406B (en) * 1960-06-30 1962-10-04 Kronprinz Ag Hydraulic pit ram
DE1189938B (en) * 1962-08-31 1965-04-01 Kloeckner Werke Ag Hydraulic pit ram
DE1217317B (en) * 1963-07-01 1966-05-26 Salzgitter Maschinen Ag Relief valve for hydraulic pit rams or hydraulic pit support
GB2494160A (en) * 2011-08-31 2013-03-06 Bifold Fluidpower Ltd Valve

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE105325C (en) *
GB536796A (en) * 1940-03-13 1941-05-27 Automotive Prod Co Ltd Improvements in or relating to fluid pressure reducing valve devices
DE925525C (en) * 1947-09-27 1955-03-24 Davidson Corp Device for clamping a lithographic plate on a plate carrier
DE823381C (en) * 1950-08-06 1951-12-03 Rolf Schroedter Dr Ing Pressure relief valve
DE941948C (en) * 1952-08-22 1956-04-19 Electraulic Presses Ltd Spring-loaded overpressure protection
CH322405A (en) * 1953-11-17 1957-06-15 Dunlop Rubber Co Method of manufacturing a control mechanism for pressurized fluid and mechanism obtained by this method

Also Published As

Publication number Publication date
GB857393A (en) 1960-12-29
DE1059733B (en) 1959-06-18
FR1214927A (en) 1960-04-12

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