JPH01105790U - - Google Patents

Info

Publication number
JPH01105790U
JPH01105790U JP11288U JP11288U JPH01105790U JP H01105790 U JPH01105790 U JP H01105790U JP 11288 U JP11288 U JP 11288U JP 11288 U JP11288 U JP 11288U JP H01105790 U JPH01105790 U JP H01105790U
Authority
JP
Japan
Prior art keywords
well pump
check valve
elastic member
utility
model registration
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
JP11288U
Other languages
English (en)
Other versions
JPH0545829Y2 (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 JP1988000112U priority Critical patent/JPH0545829Y2/ja
Publication of JPH01105790U publication Critical patent/JPH01105790U/ja
Application granted granted Critical
Publication of JPH0545829Y2 publication Critical patent/JPH0545829Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Lift Valve (AREA)
  • Check Valves (AREA)

Description

【図面の簡単な説明】
第１図は本考案の逆止弁の縦断面図、第２図は
同逆止弁を備えた井戸ポンプの概略図、第３図は
本考案の異なる逆止弁の縦断面図、第４図は従来
の逆止弁を備えた井戸ポンプ縦断面図である。 ６……吸込管、７……逆止弁、１６……弁座、
１８……ステム、１９……ばね、２０……袋体（
弾性部材）、２１……弾性部材。

Claims (1)

  1. 【実用新案登録請求の範囲】 １ 吸込管と羽根車との中間に配置される井戸ポ
    ンプの逆止弁において、弁座と接触する部分を円
    錐状の弾性部材で形成したことを特徴とする井戸
    ポンプ。 ２ 実用新案登録請求の範囲第１項において、独
    立気泡体よりなる弾性部材とした井戸ポンプの逆
    止弁。 ３ 実用新案登請求の範囲第１項において、内部
    にばねを有するゴム製袋体にて弾性部材を形成し
    てなる井戸ポンプの逆止弁。
JP1988000112U 1988-01-06 1988-01-06 Expired - Lifetime JPH0545829Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988000112U JPH0545829Y2 (ja) 1988-01-06 1988-01-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988000112U JPH0545829Y2 (ja) 1988-01-06 1988-01-06

Publications (2)

Publication Number Publication Date
JPH01105790U true JPH01105790U (ja) 1989-07-17
JPH0545829Y2 JPH0545829Y2 (ja) 1993-11-26

Family

ID=31198848

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988000112U Expired - Lifetime JPH0545829Y2 (ja) 1988-01-06 1988-01-06

Country Status (1)

Country Link
JP (1) JPH0545829Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011510253A (ja) * 2008-01-21 2011-03-31 チャールズ・オーステン・パンプス・リミテッド 凝縮水除去ポンプ用導管

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51130107U (ja) * 1975-04-11 1976-10-20
JPS5510128A (en) * 1978-07-04 1980-01-24 Toyooki Kogyo Co Ltd Poppet valve

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51130107U (ja) * 1975-04-11 1976-10-20
JPS5510128A (en) * 1978-07-04 1980-01-24 Toyooki Kogyo Co Ltd Poppet valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011510253A (ja) * 2008-01-21 2011-03-31 チャールズ・オーステン・パンプス・リミテッド 凝縮水除去ポンプ用導管

Also Published As

Publication number Publication date
JPH0545829Y2 (ja) 1993-11-26

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