NL7503579A - HINGE VALVE. - Google Patents

HINGE VALVE.

Info

Publication number: NL7503579A
Authority: NL; Netherlands
Prior art keywords: hinge valve; hinge; valve
Prior art date: 1974-03-28

Application number

NL7503579A

Other languages

Dutch (nl)

Original Assignee

Coplastix 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.)

1974-03-28

Filing date

1975-03-25

Publication date

1975-09-30

1975-03-25 Application filed by Coplastix Ltd filed Critical Coplastix Ltd

1975-09-30 Publication of NL7503579A publication Critical patent/NL7503579A/en

Classifications

- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/04—Valves, slides, or the like; Arrangements therefor; Submerged sluice gates

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Civil Engineering (AREA)
Structural Engineering (AREA)
Check Valves (AREA)
Lift Valve (AREA)
Seal Device For Vehicle (AREA)

NL7503579A 1974-03-28 1975-03-25 HINGE VALVE. NL7503579A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB1387274A GB1456538A (en)	1974-03-28	1974-03-28	Fluid flow control valves

Publications (1)

Publication Number	Publication Date
NL7503579A true NL7503579A (en)	1975-09-30

Family

ID=10030929

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7503579A NL7503579A (en)	1974-03-28	1975-03-25	HINGE VALVE.

Country Status (4)

Country	Link
DE (1)	DE2512689A1 (en)
GB (1)	GB1456538A (en)
NL (1)	NL7503579A (en)
ZA (1)	ZA751767B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS62502384A (en) *	1985-03-23	1987-09-17	マ−ス，ヴアルタ−　ベルンド	Valve of a compression bandage (for stopping bleeding wounds)
DE3634455C1 (en) *	1986-10-09	1988-04-28	Daimler Benz Ag	Non-return valve, particularly for the ventilation of passenger compartments of passenger vehicles
CN1008827B (en) *	1987-05-01	1990-07-18	霍蒂夫股份公司霍夫曼兄弟公司	Earthguard cover

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1235558A (en) *	1915-07-31	1917-08-07	Henry R Worthington	Check-valve.
GB563086A (en) *	1942-12-24	1944-07-28	Stanley Hartley Smith	Improvements in or relating to valves for controlling the flow of liquids
FR1076000A (en) *	1953-04-21	1954-10-21		Fully opening valve
DE1957600U (en) *	1967-01-27	1967-03-23	Krantz H Fa	ELASTIC RETURN FLAP.
US3628565A (en) *	1970-03-03	1971-12-21	Philco Ford Corp	Flexible check valves
GB1323041A (en) *	1971-01-02	1973-07-11	Coplastix Ltd	Valves

1974
- 1974-03-28 GB GB1387274A patent/GB1456538A/en not_active Expired
1975
- 1975-03-20 DE DE19752512689 patent/DE2512689A1/en not_active Ceased
- 1975-03-20 ZA ZA00751767A patent/ZA751767B/en unknown
- 1975-03-25 NL NL7503579A patent/NL7503579A/en not_active Application Discontinuation

Also Published As

Publication number	Publication date
DE2512689A1 (en)	1975-10-02
ZA751767B (en)	1976-10-27
GB1456538A (en)	1976-11-24

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NL7503579A (en)	1975-09-30	HINGE VALVE.
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Legal Events

Date	Code	Title
1982-03-01	BA	A request for search or an international-type search has been filed
1983-12-01	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
1988-11-01	BV	The patent application has lapsed