NL191953B - Veiligheidsklep. - Google Patents

Veiligheidsklep.

Info

Publication number: NL191953B
Authority: NL; Netherlands
Prior art keywords: safety valve; safety; valve
Prior art date: 1980-05-06

Application number

NL8004936A

Other languages

English (en)

Other versions

NL8004936A (nl

NL191953C (nl

Original Assignee

Okano Valve Seizo Kk

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.)

1980-05-06

Filing date

1980-08-29

Publication date

1996-07-01

1980-08-29 Application filed by Okano Valve Seizo Kk filed Critical Okano Valve Seizo Kk

1981-12-01 Publication of NL8004936A publication Critical patent/NL8004936A/nl

1996-07-01 Publication of NL191953B publication Critical patent/NL191953B/nl

1996-11-04 Application granted granted Critical

1996-11-04 Publication of NL191953C publication Critical patent/NL191953C/nl

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
- 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
- F16K17/08—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 special arrangements for providing a large discharge passage
- F16K17/087—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 special arrangements for providing a large discharge passage with bellows

Landscapes

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

NL8004936A 1980-05-06 1980-08-29 Veiligheidsklep. NL191953C (nl)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP5867580A JPS56156568A (en)	1980-05-06	1980-05-06	Safety valve
JP5867580		1980-05-06

Publications (3)

Publication Number	Publication Date
NL8004936A NL8004936A (nl)	1981-12-01
NL191953B true NL191953B (nl)	1996-07-01
NL191953C NL191953C (nl)	1996-11-04

Family

ID=13091146

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL8004936A NL191953C (nl)	1980-05-06	1980-08-29	Veiligheidsklep.

Country Status (4)

Country	Link
JP (1)	JPS56156568A (nl)
CA (1)	CA1162129A (nl)
DE (1)	DE3041124C2 (nl)
NL (1)	NL191953C (nl)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP3556565B2 (ja) *	2000-04-14	2004-08-18	川重冷熱工業株式会社	高精度安全弁
CN103511693B (zh) *	2013-09-29	2015-08-26	北京航天动力研究所	一种阀杆密封型封闭背压调节式蒸汽安全阀

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3702142A (en) *	1970-07-27	1972-11-07	Dresser Ind	Safety valve having back pressure compensator

1980
- 1980-05-06 JP JP5867580A patent/JPS56156568A/ja active Granted
- 1980-08-27 CA CA000359097A patent/CA1162129A/en not_active Expired
- 1980-08-29 NL NL8004936A patent/NL191953C/nl not_active IP Right Cessation
- 1980-10-31 DE DE19803041124 patent/DE3041124C2/de not_active Expired

Also Published As

Publication number	Publication date
DE3041124A1 (de)	1981-11-19
NL8004936A (nl)	1981-12-01
NL191953C (nl)	1996-11-04
DE3041124C2 (de)	1988-01-21
CA1162129A (en)	1984-02-14
JPS634065B2 (nl)	1988-01-27
JPS56156568A (en)	1981-12-03

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Legal Events

Date	Code	Title	Description
1981-12-01	A1A	A request for search or an international-type search has been filed
1982-07-01	BB	A search report has been drawn up
1985-01-01	A85	Still pending on 85-01-01
1987-10-01	BC	A request for examination has been filed
2000-11-01	V4	Lapsed because of reaching the maxim lifetime of a patent	Free format text: 20000829