CH558491A - CHECK VALVE DEVICE. - Google Patents

CHECK VALVE DEVICE.

Info

Publication number: CH558491A
Authority: CH; Switzerland
Prior art keywords: check valve; valve device; check; valve
Prior art date: 1972-02-09

Application number

CH164373A

Other languages

German (de)

Original Assignee

British Steam Spec

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.)

1972-02-09

Filing date

1973-02-06

Publication date

1975-01-31

1973-02-06 Application filed by British Steam Spec filed Critical British Steam Spec

1975-01-31 Publication of CH558491A publication Critical patent/CH558491A/en

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

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Check Valves (AREA)

CH164373A 1972-02-09 1973-02-06 CHECK VALVE DEVICE. CH558491A (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 (1)

Publication Number	Publication Date
CH558491A true CH558491A (en)	1975-01-31

Family

ID=9808768

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH164373A CH558491A (en)	1972-02-09	1973-02-06	CHECK VALVE DEVICE.

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
US8011363B2 (en)	2002-06-03	2011-09-06	Mark Johnson	Exhalation valve for use in a breathing device
US7793656B2 (en)	2002-06-03	2010-09-14	Lifetime Products, Inc.	Underwater breathing devices and methods
US7823585B2 (en)	2004-10-08	2010-11-02	Mark Johnson	Snorkel clip
US8297318B2 (en)	2005-05-21	2012-10-30	Mark Johnson	Check valve
MX2009008907A (en)	2007-02-20	2009-10-12	Mark R Johnson	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

1972
- 1972-02-09 GB GB612072A patent/GB1357249A/en not_active Expired
1973
- 1973-02-06 CH CH164373A patent/CH558491A/en not_active IP Right Cessation
- 1973-02-07 JP JP1545973A patent/JPS4892921A/ja active Pending
- 1973-02-08 FR FR7304482A patent/FR2171298B1/fr not_active Expired
- 1973-02-08 IT IT6728273A patent/IT977748B/en active
- 1973-02-08 DE DE19732306293 patent/DE2306293A1/en not_active Ceased
1978
- 1978-02-16 JP JP1905778U patent/JPS53117640U/ja active Pending

Also Published As

Publication number	Publication date
JPS53117640U (en)	1978-09-19
JPS4892921A (en)	1973-12-01
GB1357249A (en)	1974-06-19
FR2171298A1 (en)	1973-09-21
FR2171298B1 (en)	1978-09-08
DE2306293A1 (en)	1973-08-16
IT977748B (en)	1974-09-20

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Legal Events

Date	Code	Title	Description
1989-06-30	PUE	Assignment	Owner name: NORTHVALE KORTING LIMITED
1992-10-30	PL	Patent ceased