JPH0284073U - - Google Patents

Info

Publication number
JPH0284073U
JPH0284073U JP16346788U JP16346788U JPH0284073U JP H0284073 U JPH0284073 U JP H0284073U JP 16346788 U JP16346788 U JP 16346788U JP 16346788 U JP16346788 U JP 16346788U JP H0284073 U JPH0284073 U JP H0284073U
Authority
JP
Japan
Prior art keywords
coil spring
valve
spring retainer
check valve
close check
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.)
Granted
Application number
JP16346788U
Other languages
English (en)
Other versions
JPH0615192Y2 (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
Priority to JP1988163467U priority Critical patent/JPH0615192Y2/ja
Publication of JPH0284073U publication Critical patent/JPH0284073U/ja
Application granted granted Critical
Publication of JPH0615192Y2 publication Critical patent/JPH0615192Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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１実施例を示す縦断面図、第
２図Ａは本考案で用いられるスプリング押えの縦
断面図、第２図Ｂは第２図ＡのＢ矢視図、第２図
Ｃは拡大部分断面図、第３図は本考案で用いられ
る弁箱の縦断面図、第４図に本考案と従来品の圧
力損失水頭を比較して示す特性図、第５図は従来
品の縦断面図である。 １，２０……コイルスプリングリフト式急閉逆
止弁、２，２２……弁箱、３，２４……弁棒、４
，２６……弁体、５……コイルスプリング、６，
２８……ゴムシート、７……弁座、９，３２……
スプリング押え、１１，３０……スライドガイド
、１３……弁棒ナツト、３４……嵌合部分、３６
……スプリング押え組付用溝。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) スプリング押えを介して弁体に取付けられ
    たコイルスプリングにより弁体が弁座に押圧付勢
    されるコイルスプリングリフト式急閉逆止弁にお
    いて、前記スプリング押えはプレス成形品であり
    且つその嵌合部分が弾性反発力によつて弁箱に形
    成されたスプリング押え組付用溝に嵌合している
    ことを特徴とするコイルスプリングリフト式急閉
    逆止弁。 (2) 前記スプリング押え組付用溝は断面が半円
    形をしており、その表面は防錆用塗膜で被覆され
    ている請求項１に記載のコイルスプリングリフト
    式急閉逆止弁。
JP1988163467U 1988-12-19 1988-12-19 コイルスプリングリフト式急閉逆止弁 Expired - Lifetime JPH0615192Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988163467U JPH0615192Y2 (ja) 1988-12-19 1988-12-19 コイルスプリングリフト式急閉逆止弁

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988163467U JPH0615192Y2 (ja) 1988-12-19 1988-12-19 コイルスプリングリフト式急閉逆止弁

Publications (2)

Publication Number Publication Date
JPH0284073U true JPH0284073U (ja) 1990-06-29
JPH0615192Y2 JPH0615192Y2 (ja) 1994-04-20

Family

ID=31448215

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988163467U Expired - Lifetime JPH0615192Y2 (ja) 1988-12-19 1988-12-19 コイルスプリングリフト式急閉逆止弁

Country Status (1)

Country Link
JP (1) JPH0615192Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006046470A1 (ja) * 2004-10-28 2006-05-04 Nitto Kohki Co., Ltd. バルブ保持部材

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5015676B2 (ja) * 2007-06-28 2012-08-29 ブリヂストンフローテック株式会社 弁付管継手及び弁付管継手の弁支持具

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5411932A (en) * 1977-06-28 1979-01-29 Bayer Ag Phthalocyanine reactive dyestuff
JPS55166952U (ja) * 1979-05-18 1980-12-01
JPS6224174U (ja) * 1985-07-26 1987-02-14

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5411932A (en) * 1977-06-28 1979-01-29 Bayer Ag Phthalocyanine reactive dyestuff
JPS55166952U (ja) * 1979-05-18 1980-12-01
JPS6224174U (ja) * 1985-07-26 1987-02-14

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006046470A1 (ja) * 2004-10-28 2006-05-04 Nitto Kohki Co., Ltd. バルブ保持部材
US7722010B2 (en) 2004-10-28 2010-05-25 Nitto Kohki Co., Ltd. Valve holding member

Also Published As

Publication number Publication date
JPH0615192Y2 (ja) 1994-04-20

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term