FR2122934A5 - - Google Patents

Info

Publication number
FR2122934A5
FR2122934A5 FR7201571A FR7201571A FR2122934A5 FR 2122934 A5 FR2122934 A5 FR 2122934A5 FR 7201571 A FR7201571 A FR 7201571A FR 7201571 A FR7201571 A FR 7201571A FR 2122934 A5 FR2122934 A5 FR 2122934A5
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR7201571A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Application granted granted Critical
Publication of FR2122934A5 publication Critical patent/FR2122934A5/fr
Expired legal-status Critical Current

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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
    • F16F1/32—Belleville-type springs
    • 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
FR7201571A 1971-01-19 1972-01-18 Expired FR2122934A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB248371 1971-01-19

Publications (1)

Publication Number Publication Date
FR2122934A5 true FR2122934A5 (en) 1972-09-01

Family

ID=9740359

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7201571A Expired FR2122934A5 (en) 1971-01-19 1972-01-18

Country Status (4)

Country Link
DE (1) DE2202247A1 (en)
FR (1) FR2122934A5 (en)
IT (1) IT946671B (en)
NL (1) NL7200581A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2222592A1 (en) * 1973-03-22 1974-10-18 Alsthom Cgee Sensitive safety valve for hydraulic circuit
EP0278323A1 (en) * 1987-02-05 1988-08-17 Messerschmitt-Bölkow-Blohm Gesellschaft mit beschränkter Haftung Vibration damping element

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5313974A (en) * 1993-02-03 1994-05-24 Impacto Enterprises, Inc. Pipeline pressure release apparatus and method
DE19626324A1 (en) * 1996-07-01 1998-01-08 Wabco Gmbh Safety valve unit for unit working with pressure means
DE102004031936B4 (en) * 2004-06-30 2006-10-05 Geze Gmbh door closers
DE102005046634A1 (en) * 2005-09-28 2007-03-29 Itt Richter Chemie-Technik Gmbh Valve e.g. pressure control valve, has spring loaded valve actuator that is provided in closing direction, and disk spring impinging valve actuator, where spring is made of polytetrafluoroethylene

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2222592A1 (en) * 1973-03-22 1974-10-18 Alsthom Cgee Sensitive safety valve for hydraulic circuit
EP0278323A1 (en) * 1987-02-05 1988-08-17 Messerschmitt-Bölkow-Blohm Gesellschaft mit beschränkter Haftung Vibration damping element

Also Published As

Publication number Publication date
IT946671B (en) 1973-05-21
DE2202247A1 (en) 1972-08-17
NL7200581A (en) 1972-07-21

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Legal Events

Date Code Title Description
ST Notification of lapse