NL130143C - - Google Patents

Info

Publication number
NL130143C
NL130143C NL130143DA NL130143C NL 130143 C NL130143 C NL 130143C NL 130143D A NL130143D A NL 130143DA NL 130143 C NL130143 C NL 130143C
Authority
NL
Netherlands
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 NL130143C publication Critical patent/NL130143C/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
    • F16K17/0493—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 a spring other than a helicoidal spring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
    • B66F3/25—Constructional features
    • B66F3/42—Constructional features with self-contained pumps, e.g. actuated by hand
    • 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
    • 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
    • E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices
    • 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
    • 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
    • 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
    • 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
    • F16K17/0446—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 an obturating member having at least a component of their opening and closing motion not perpendicular to the closing faces
    • 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
    • F16K17/0466—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 a special seating surface

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Structural Engineering (AREA)
  • Safety Valves (AREA)
NL130143D 1961-10-25 NL130143C (xx)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
LU40753 1961-10-25
DE1962B0068786 DE1264908C2 (de) 1961-10-25 1962-09-10 Ueberdruckventil, insbesondere fuer hohe druecke

Publications (1)

Publication Number Publication Date
NL130143C true NL130143C (xx)

Family

ID=25966374

Family Applications (3)

Application Number Title Priority Date Filing Date
NL284181D NL284181A (xx) 1961-10-25
NL296090D NL296090A (xx) 1961-10-25
NL130143D NL130143C (xx) 1961-10-25

Family Applications Before (2)

Application Number Title Priority Date Filing Date
NL284181D NL284181A (xx) 1961-10-25
NL296090D NL296090A (xx) 1961-10-25

Country Status (6)

Country Link
AT (1) AT285261B (xx)
BE (1) BE624042A (xx)
DE (2) DE1258224C2 (xx)
GB (2) GB1009755A (xx)
LU (1) LU40753A1 (xx)
NL (3) NL130143C (xx)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50113819A (xx) * 1974-02-19 1975-09-06
US4328290A (en) * 1980-12-29 1982-05-04 Gould Inc. Battery vent plug
FR2728648B1 (fr) * 1994-12-27 1997-01-31 Comap Soupape de securite
GB2494274A (en) * 2011-08-27 2013-03-06 Stephen Terence Dunne Normally-Closed Valve with Elastomeric Spring
CN103924993A (zh) * 2014-03-20 2014-07-16 赵士民 一种远距可视大流量显压记忆型安全阀
DE102015208777A1 (de) * 2015-05-12 2016-11-17 Bayerische Motoren Werke Aktiengesellschaft Sicherheitseinrichtung für eine Energiespeicherzelle
CN111911214B (zh) * 2020-06-24 2022-07-05 中煤科工开采研究院有限公司 液压支架安全阀工作状态的监测方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH219734A (de) * 1940-11-07 1942-02-28 Nussbaum & Co Aktiengesellscha Dichtung mit Regulierorgan an Absperrventilen.
GB608881A (en) * 1946-01-24 1948-09-22 Fairey Aviat Co Ltd Improvements in or relating to hydraulic relief valves
US2669252A (en) * 1950-02-21 1954-02-16 Farris Victor Wallace Safety valve
US2669253A (en) * 1951-06-21 1954-02-16 Crane Co Combined shutoff and relief valve
DE1000203B (de) * 1953-11-14 1957-01-03 Gutehoffnungshuette Sterkrade UEberdruckventil fuer hydraulisch betriebene Hebe- oder Stuetzvorrichtung, insbesondere fuer hydraulische Grubenstempel
US2887770A (en) * 1955-06-06 1959-05-26 Nat Malleable & Steel Castings Method of stabilizing and processing cushioning units

Also Published As

Publication number Publication date
LU40753A1 (xx) 1963-04-25
AT285261B (de) 1970-10-27
NL284181A (xx)
GB1042500A (en) 1966-09-14
BE624042A (xx)
GB1009755A (en) 1965-11-10
DE1258224C2 (de) 1973-02-01
DE1264908B (de) 1968-03-28
NL296090A (xx)
DE1264908C2 (de) 1976-03-18
DE1258224B (de) 1968-01-04

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