JPS5083819A - - Google Patents

Info

Publication number
JPS5083819A
JPS5083819A JP49123862A JP12386274A JPS5083819A JP S5083819 A JPS5083819 A JP S5083819A JP 49123862 A JP49123862 A JP 49123862A JP 12386274 A JP12386274 A JP 12386274A JP S5083819 A JPS5083819 A JP S5083819A
Authority
JP
Japan
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.)
Pending
Application number
JP49123862A
Other languages
Japanese (ja)
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 filed Critical
Publication of JPS5083819A publication Critical patent/JPS5083819A/ja
Pending legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/10—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves
    • E03C1/106—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves using two or more check valves
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/10—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves
    • E03C1/108—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves having an aerating valve
    • 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
    • F16K15/02—Check valves with guided rigid valve members

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Mechanical Engineering (AREA)
  • Check Valves (AREA)
  • Safety Valves (AREA)
  • Fluid-Driven Valves (AREA)
JP49123862A 1973-10-26 1974-10-26 Pending JPS5083819A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US41017373A 1973-10-26 1973-10-26

Publications (1)

Publication Number Publication Date
JPS5083819A true JPS5083819A (zh) 1975-07-07

Family

ID=23623549

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49123862A Pending JPS5083819A (zh) 1973-10-26 1974-10-26

Country Status (8)

Country Link
JP (1) JPS5083819A (zh)
BR (1) BR7408966D0 (zh)
CA (1) CA1066164A (zh)
DE (1) DE2450465A1 (zh)
FR (2) FR2250939B1 (zh)
GB (1) GB1490553A (zh)
IL (1) IL45802A (zh)
ZA (1) ZA746432B (zh)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54158725A (en) * 1978-05-30 1979-12-14 Watts Regulator Co Counterflow preventing device
JP3016993U (ja) * 1995-04-14 1995-10-17 株式会社タブチ 複式逆止型自在継ぎ手
JP2009270643A (ja) * 2008-05-08 2009-11-19 Shinshu Univ 逆流防止装置
US8381764B2 (en) 2008-04-07 2013-02-26 Shinshu University Check valve
WO2019176850A1 (ja) * 2018-03-12 2019-09-19 株式会社イシザキ 逆止弁及び逆止弁用往復移動体

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3996962A (en) * 1976-03-19 1976-12-14 Rockwell International Corporation Backflow preventer and relief valve assembly
US4185656A (en) * 1977-12-13 1980-01-29 Braukmann Armaturen Ag Dual check valve structure
US4232704A (en) * 1978-03-28 1980-11-11 Amtrol Inc. In line back flow preventer
US4231387A (en) * 1979-01-11 1980-11-04 Chas. M. Bailey Co., Inc. Backflow preventing valve
DE3322771A1 (de) * 1983-06-24 1985-01-03 Alfred Teves Gmbh, 6000 Frankfurt Ventilanordnung zur begrenzung des drucks in einem drucksystem
DE3742207A1 (de) * 1987-12-12 1989-06-22 Lang Apparatebau Gmbh Rueckflussverhinderer, insbesondere zum einbau in trinkwasserleitungen
DE3936962A1 (de) * 1989-11-07 1991-05-08 Waletzko Armaturen Gmbh Rueckflussverhinderer, insbesondere zum einbau in trinkwasserleitungen
US5107888A (en) * 1989-11-13 1992-04-28 Cmb Industries, Inc. N-shaped backflow preventor
US5226441A (en) * 1989-11-13 1993-07-13 Cmb Industries Backflow preventor with adjustable outflow direction
US5046525A (en) * 1990-06-15 1991-09-10 Ames Company, Inc. Differential loading fluid check valve
DE4309085C1 (de) * 1993-03-20 1995-01-05 Schubert & Salzer Ag Systemtrenner
DE29605420U1 (de) * 1996-03-23 1996-06-13 Festo Kg, 73734 Esslingen Schnellentlüftungsventil für pneumatische Anwendungen
DE10201626A1 (de) 2002-01-16 2003-07-31 Wildfang Dieter Gmbh Sperrventil
DE202004016530U1 (de) * 2004-10-25 2006-03-02 Gebr. Kemper Gmbh & Co. Kg Metallwerke Rohrbelüfter und Absperrarmatur einer Wasserinstallation mit Rohrbelüfter
CN103742390B (zh) * 2013-11-28 2015-10-28 成都欧浦特控制阀门有限公司 一种设置有伸缩弹簧的气泵
CN103697198B (zh) * 2013-12-24 2016-06-22 泉州市沪航阀门制造有限公司 压差原理倒流防止器的双室控制机构

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1710635A (en) * 1924-08-06 1929-04-23 Mortimer C Rosenfeld Valve
US3283772A (en) * 1964-02-04 1966-11-08 Donald G Griswold Backflow prevention device with improved pressure sensing means

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1710635A (en) * 1924-08-06 1929-04-23 Mortimer C Rosenfeld Valve
US3283772A (en) * 1964-02-04 1966-11-08 Donald G Griswold Backflow prevention device with improved pressure sensing means

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54158725A (en) * 1978-05-30 1979-12-14 Watts Regulator Co Counterflow preventing device
JPS6238596B2 (zh) * 1978-05-30 1987-08-18 Watts Regulator Co
JP3016993U (ja) * 1995-04-14 1995-10-17 株式会社タブチ 複式逆止型自在継ぎ手
US8381764B2 (en) 2008-04-07 2013-02-26 Shinshu University Check valve
JP2009270643A (ja) * 2008-05-08 2009-11-19 Shinshu Univ 逆流防止装置
US8037899B2 (en) 2008-05-08 2011-10-18 Shinshu University Backflow preventer
CN102606840A (zh) * 2008-05-08 2012-07-25 国立大学法人信州大学 回流防止器
WO2019176850A1 (ja) * 2018-03-12 2019-09-19 株式会社イシザキ 逆止弁及び逆止弁用往復移動体
JP6649534B1 (ja) * 2018-03-12 2020-02-19 株式会社イシザキ 逆止弁及び逆止弁用往復移動体
US10907743B2 (en) 2018-03-12 2021-02-02 Ishizaki Co., Ltd. Check valve and reciprocating body for check valve

Also Published As

Publication number Publication date
FR2250939A1 (zh) 1975-06-06
FR2257834B1 (zh) 1979-10-05
FR2250939B1 (zh) 1978-08-11
IL45802A (en) 1977-05-31
FR2257834A1 (zh) 1975-08-08
DE2450465A1 (de) 1975-04-30
ZA746432B (en) 1976-06-30
AU7418174A (en) 1976-04-15
GB1490553A (en) 1977-11-02
CA1066164A (en) 1979-11-13
IL45802A0 (en) 1975-03-13
BR7408966D0 (pt) 1975-09-23

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