JPH071365Y2 - 換気装置の逆止弁 - Google Patents

換気装置の逆止弁

Info

Publication number
JPH071365Y2
JPH071365Y2 JP1988109034U JP10903488U JPH071365Y2 JP H071365 Y2 JPH071365 Y2 JP H071365Y2 JP 1988109034 U JP1988109034 U JP 1988109034U JP 10903488 U JP10903488 U JP 10903488U JP H071365 Y2 JPH071365 Y2 JP H071365Y2
Authority
JP
Japan
Prior art keywords
support rod
shield plate
upper portion
hole
main body
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.)
Expired - Lifetime
Application number
JP1988109034U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0230409U (en]
Inventor
一人 塩田
敏夫 千々石
一義 大下
Original Assignee
ワイケイケイ株式会社
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 ワイケイケイ株式会社 filed Critical ワイケイケイ株式会社
Priority to JP1988109034U priority Critical patent/JPH071365Y2/ja
Publication of JPH0230409U publication Critical patent/JPH0230409U/ja
Application granted granted Critical
Publication of JPH071365Y2 publication Critical patent/JPH071365Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Building Environments (AREA)
  • Ventilation (AREA)
  • Air-Flow Control Members (AREA)
JP1988109034U 1988-08-22 1988-08-22 換気装置の逆止弁 Expired - Lifetime JPH071365Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988109034U JPH071365Y2 (ja) 1988-08-22 1988-08-22 換気装置の逆止弁

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988109034U JPH071365Y2 (ja) 1988-08-22 1988-08-22 換気装置の逆止弁

Publications (2)

Publication Number Publication Date
JPH0230409U JPH0230409U (en]) 1990-02-27
JPH071365Y2 true JPH071365Y2 (ja) 1995-01-18

Family

ID=31344918

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988109034U Expired - Lifetime JPH071365Y2 (ja) 1988-08-22 1988-08-22 換気装置の逆止弁

Country Status (1)

Country Link
JP (1) JPH071365Y2 (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3430008B2 (ja) * 1998-03-31 2003-07-28 松下エコシステムズ株式会社 換気装置のシャッター開閉装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61246534A (ja) * 1985-04-24 1986-11-01 Fukuvi Chem Ind Co Ltd 床下換気装置

Also Published As

Publication number Publication date
JPH0230409U (en]) 1990-02-27

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