NL7903314A - CHECK VALVE. - Google Patents

CHECK VALVE.

Info

Publication number: NL7903314A
Authority: NL; Netherlands
Prior art keywords: check valve; check; valve
Prior art date: 1978-05-20

Application number

NL7903314A

Other languages

Dutch (nl)

Original Assignee

Klein

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.)

1978-05-20

Filing date

1979-04-26

Publication date

1979-11-22

1979-04-26 Application filed by Klein filed Critical Klein

1979-11-22 Publication of NL7903314A publication Critical patent/NL7903314A/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
- F16K15/144—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery
- F16K15/145—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery the closure elements being shaped as a solids of revolution, e.g. cylindrical or conical

Landscapes

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

NL7903314A 1978-05-20 1979-04-26 CHECK VALVE. NL7903314A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2822131A DE2822131C2 (en)	1978-05-20	1978-05-20	Diaphragm check valve

Publications (1)

Publication Number	Publication Date
NL7903314A true NL7903314A (en)	1979-11-22

Family

ID=6039865

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7903314A NL7903314A (en)	1978-05-20	1979-04-26	CHECK VALVE.

Country Status (5)

Country	Link
BE (1)	BE876317A (en)
DE (1)	DE2822131C2 (en)
FR (1)	FR2426199A1 (en)
IT (1)	IT1113908B (en)
NL (1)	NL7903314A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE10236965A1 (en) *	2002-08-13	2004-03-04	Volaplast Werner Hoppach Kg	Non-return valve for use in windscreen or headlamp washer has valve mandrel so that sealing edge in rest position comes against valve mandrel
DE10311502B4 (en) *	2003-03-15	2005-09-08	Neoperl Gmbh	Built-in part for insertion in a gas or liquid line
CN105351576A (en) *	2015-11-26	2016-02-24	国家电网公司	One-way non-return valve

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2621889A (en) *	1947-05-23	1952-12-16	Grove Regulator Company	Expansible sleeve type valve
FR1080029A (en) *	1952-05-16	1954-12-06	Ver Armaturen G M B H	Diaphragm closure for annular passage section
DE946760C (en) *	1952-07-26	1956-08-02	Ver Armaturen Ges M B H	Diaphragm check valve
DE1182487B (en) *	1957-08-09	1964-11-26	Ver Armaturen Gmbh	Valve with a tubular membrane for high operating pressure
GB954048A (en) *	1960-10-12	1964-04-02	Helmut Balz Ges Fur Patentvwer	Improvements in or relating to non-return valves
US3179124A (en) *	1962-10-15	1965-04-20	John M Haring	Valve

1978
- 1978-05-20 DE DE2822131A patent/DE2822131C2/en not_active Expired
1979
- 1979-04-26 NL NL7903314A patent/NL7903314A/en active Search and Examination
- 1979-04-26 IT IT22182/79A patent/IT1113908B/en active
- 1979-05-17 BE BE0/195210A patent/BE876317A/en not_active IP Right Cessation
- 1979-05-18 FR FR7912705A patent/FR2426199A1/en active Granted

Also Published As

Publication number	Publication date
DE2822131C2 (en)	1982-08-26
DE2822131A1 (en)	1979-11-22
IT1113908B (en)	1986-01-27
FR2426199B1 (en)	1984-02-24
FR2426199A1 (en)	1979-12-14
IT7922182A0 (en)	1979-04-26
BE876317A (en)	1979-09-17

Publication	Publication Date	Title
NL168922C (en)	1982-05-17	CHECK VALVE.
IT8024297A0 (en)	1980-08-26	CHECK VALVE.
NL176702C (en)	1985-05-17	CHECK VALVE.
IT8123190A0 (en)	1981-07-28	VALVE ARRANGEMENT.
NL7900166A (en)	1979-07-17	BALL VALVE.
NL7710800A (en)	1978-04-07	CHECK VALVE.
NL178188C (en)	1986-02-03	VALVE.
NL7904303A (en)	1979-12-04	VALVE ASSEMBLY.
NL7902623A (en)	1979-10-05	BREATHER VALVE.
NO792355L (en)	1980-01-18	SAFETY VALVE.
IT7926178A0 (en)	1979-10-02	VALVE DEVICE.
NL180872C (en)	1987-05-04	CHECK VALVE.
NL7901553A (en)	1979-09-04	DOSING VALVE.
IT8019563A0 (en)	1980-01-30	CHECK VALVE.
IT7925189A0 (en)	1979-08-21	VALVE DEVICE.
NO155707C (en)	1987-05-13	SAFETY VALVE.
NL7901685A (en)	1979-11-12	SLIDE VALVE.
NL190340C (en)	1994-01-17	VALVE.
NL7700888A (en)	1977-08-08	VALVE.
NL182018C (en)	1987-12-16	VALVE.
IT7921586A0 (en)	1979-04-04	SERVO-PILOT-OPERATED VALVE.
NL184020C (en)	1989-03-16	CHECK VALVE.
NL7903314A (en)	1979-11-22	CHECK VALVE.
NO791933L (en)	1980-05-20	VALVE SEAT.
NL163611C (en)	1980-09-15	CHECK VALVE.

Legal Events

Date	Code	Title
1984-03-01	BA	A request for search or an international-type search has been filed
1984-03-01	BB	A search report has been drawn up
1984-04-02	BC	A request for examination has been filed
1985-01-01	A85	Still pending on 85-01-01
1986-09-01	BN	A decision not to publish the application has become irrevocable