JPS5830078U - non-return valve - Google Patents

non-return valve

Info

Publication number
JPS5830078U
JPS5830078U JP12417881U JP12417881U JPS5830078U JP S5830078 U JPS5830078 U JP S5830078U JP 12417881 U JP12417881 U JP 12417881U JP 12417881 U JP12417881 U JP 12417881U JP S5830078 U JPS5830078 U JP S5830078U
Authority
JP
Japan
Prior art keywords
valve
return valve
valve seat
seat
abstract
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
JP12417881U
Other languages
Japanese (ja)
Inventor
誠 長井
小島　輝昭
Original Assignee
株式会社日立製作所
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 by 株式会社日立製作所 filed Critical 株式会社日立製作所
Priority to JP12417881U priority Critical patent/JPS5830078U/en
Publication of JPS5830078U publication Critical patent/JPS5830078U/en
Pending legal-status Critical Current

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  • Check Valves (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来の逆止弁の断面図、第２図は従来片 の弁座のポンチングの略図、第３図は本考案の一実施例
のポンチングの略図である。 １・・・・・・パイプ、２・・・・・・弁座、２ａ・・
・・・・円錐シート面、２ｂ・・・・・・球形シート面
、３・・・・・・弁、７・・・・・・ポンチ、７ａ・・
・−・・・円錐ポンチ、７ｂ・・・・・・球形ポンチ。FIG. 1 is a sectional view of a conventional check valve, FIG. 2 is a schematic diagram of punching of a conventional valve seat, and FIG. 3 is a schematic diagram of punching of an embodiment of the present invention. 1...pipe, 2...valve seat, 2a...
... Conical seat surface, 2b ... Spherical seat surface, 3 ... Valve, 7 ... Punch, 7a ...
・・・・・・Conical punch, 7b・・・・Spherical punch.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 本体パイプ、弁座および弁にて構成されるパイプ挿入形
逆止弁において弁座と弁とが接触密閉する弁座側シート
面′を球状にしたことを特徴とする逆止弁。1. A pipe-inserted check valve consisting of a main body pipe, a valve seat, and a valve, characterized in that a seat surface on the valve seat side where the valve seat and the valve come into contact to form a seal is made spherical.
JP12417881U 1981-08-24 1981-08-24 non-return valve Pending JPS5830078U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12417881U JPS5830078U (en) 1981-08-24 1981-08-24 non-return valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12417881U JPS5830078U (en) 1981-08-24 1981-08-24 non-return valve

Publications (1)

Publication Number Publication Date
JPS5830078U true JPS5830078U (en) 1983-02-26

Family

ID=29918063

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12417881U Pending JPS5830078U (en) 1981-08-24 1981-08-24 non-return valve

Country Status (1)

Country Link
JP (1) JPS5830078U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03107090U (en) * 1990-02-16 1991-11-05
JPH04341670A (en) * 1991-05-15 1992-11-27 Mitsuba Electric Mfg Co Ltd Manufacture of pressure control valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03107090U (en) * 1990-02-16 1991-11-05
JPH04341670A (en) * 1991-05-15 1992-11-27 Mitsuba Electric Mfg Co Ltd Manufacture of pressure control valve

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