FR2171298B1 - - Google Patents

Info

Publication number
FR2171298B1
FR2171298B1 FR7304482A FR7304482A FR2171298B1 FR 2171298 B1 FR2171298 B1 FR 2171298B1 FR 7304482 A FR7304482 A FR 7304482A FR 7304482 A FR7304482 A FR 7304482A FR 2171298 B1 FR2171298 B1 FR 2171298B1
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
FR7304482A
Other languages
French (fr)
Other versions
FR2171298A1 (en
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.)
BRITISH STEAM SPEC
British Steam Specialties Ltd
Original Assignee
BRITISH STEAM SPEC
British Steam Specialties 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 BRITISH STEAM SPEC, British Steam Specialties Ltd filed Critical BRITISH STEAM SPEC
Publication of FR2171298A1 publication Critical patent/FR2171298A1/fr
Application granted granted Critical
Publication of FR2171298B1 publication Critical patent/FR2171298B1/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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/14—Check valves with flexible valve members
    • F16K15/148—Check valves with flexible valve members the closure elements being fixed in their centre
FR7304482A 1972-02-09 1973-02-08 Expired FR2171298B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB612072A GB1357249A (en) 1972-02-09 1972-02-09 Non-return valves for fluids

Publications (2)

Publication Number Publication Date
FR2171298A1 FR2171298A1 (en) 1973-09-21
FR2171298B1 true FR2171298B1 (en) 1978-09-08

Family

ID=9808768

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7304482A Expired FR2171298B1 (en) 1972-02-09 1973-02-08

Country Status (6)

Country Link
JP (2) JPS4892921A (en)
CH (1) CH558491A (en)
DE (1) DE2306293A1 (en)
FR (1) FR2171298B1 (en)
GB (1) GB1357249A (en)
IT (1) IT977748B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO151123C (en) * 1975-11-06 1985-02-13 Kamyr Inc PROCEDURE FOR THE PREPARATION OF A HOMOGENIC CULLULOSEMASS
US4191211A (en) * 1978-09-15 1980-03-04 The British Steam Specialties Limited Valve member for a non-return valve
CH665695A5 (en) * 1984-02-09 1988-05-31 Lasso Technik Ag VALVE SEAT FOR A VALVE TO PREVENT THE BACKFLOW OF LIQUID AND GASEOUS MEDIA.
GB9618414D0 (en) * 1996-09-04 1996-10-16 Imi Norgren Ltd Improvements relating to compressed air lubricators
US7793656B2 (en) 2002-06-03 2010-09-14 Lifetime Products, Inc. Underwater breathing devices and methods
US8011363B2 (en) 2002-06-03 2011-09-06 Mark Johnson Exhalation valve for use in a breathing device
US7823585B2 (en) 2004-10-08 2010-11-02 Mark Johnson Snorkel clip
US8297318B2 (en) 2005-05-21 2012-10-30 Mark Johnson Check valve
CN101715403A (en) 2007-02-20 2010-05-26 马克·R·约翰逊 Exhalation valve for use in an underwater breathing device
CN106510485B (en) * 2016-11-10 2023-06-06 珠海格力电器股份有限公司 Water tank cover, water tank assembly and electric cooker
US11260726B2 (en) 2018-04-12 2022-03-01 Illinois Tool Works Inc. Gravity independent pressure relief valve

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1157927A (en) * 1966-07-18 1969-07-09 Bert Nils Svenson Check Valve with Supported Closure Member

Also Published As

Publication number Publication date
JPS53117640U (en) 1978-09-19
FR2171298A1 (en) 1973-09-21
IT977748B (en) 1974-09-20
CH558491A (en) 1975-01-31
JPS4892921A (en) 1973-12-01
GB1357249A (en) 1974-06-19
DE2306293A1 (en) 1973-08-16

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Legal Events

Date Code Title Description
ST Notification of lapse
TP Transmission of property