JPH01109670U - - Google Patents

Info

Publication number
JPH01109670U
JPH01109670U JP550588U JP550588U JPH01109670U JP H01109670 U JPH01109670 U JP H01109670U JP 550588 U JP550588 U JP 550588U JP 550588 U JP550588 U JP 550588U JP H01109670 U JPH01109670 U JP H01109670U
Authority
JP
Japan
Prior art keywords
valve
check valve
chamber
valve body
central chamber
Prior art date
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
JP550588U
Other languages
English (en)
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
Priority to JP550588U priority Critical patent/JPH01109670U/ja
Publication of JPH01109670U publication Critical patent/JPH01109670U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Check Valves (AREA)

Description

【図面の簡単な説明】
第1図は本考案の実施例を示す正面断面図、第
2図乃至第5図は従来例を示すもので、第2図は
その平面図、第3図は第2図のA―A断面図、第
4図は第2図のB―B断面図、第5図は第2図の
C―C断面図である。 10……本体、34……一次側逆止弁、36…
…二次側逆止弁、38,39……弁座、60,6
4……弁ガイド、78……第1のバネ、79……
第2のバネ、28……入口室、30……中央室、
32……出口室。

Claims (1)

    【実用新案登録請求の範囲】
  1. 弁箱内に入口室と中央室と出口室を軸線上に並
    べ、前記入口室と中央室との間に一次逆止弁を設
    け、前記中央室と出口室との間に二次逆止弁を設
    けた逆流防止弁において、前記一次側逆止弁の弁
    体に弁棒を連結し、該弁棒は弁箱内に係止した第
    1のバネと係合させて前記弁体を一次側逆止弁の
    弁座側に付勢させるとともに二次側逆止弁の弁体
    に設けた孔内に密封的に摺動可能に挿通し、挿通
    端部に第2のバネを係合させて前記二次側逆止弁
    の弁体を二次側逆止弁の弁座側に付勢させる様に
    したことを特徴とする逆流防止弁。
JP550588U 1988-01-20 1988-01-20 Pending JPH01109670U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP550588U JPH01109670U (ja) 1988-01-20 1988-01-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP550588U JPH01109670U (ja) 1988-01-20 1988-01-20

Publications (1)

Publication Number Publication Date
JPH01109670U true JPH01109670U (ja) 1989-07-25

Family

ID=31208935

Family Applications (1)

Application Number Title Priority Date Filing Date
JP550588U Pending JPH01109670U (ja) 1988-01-20 1988-01-20

Country Status (1)

Country Link
JP (1) JPH01109670U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013086855A (ja) * 2011-10-20 2013-05-13 Tatsue Seiko Kk 逆止弁及びこれを用いた容器体

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013086855A (ja) * 2011-10-20 2013-05-13 Tatsue Seiko Kk 逆止弁及びこれを用いた容器体

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