JPH0310857B2 - - Google Patents

Info

Publication number
JPH0310857B2
JPH0310857B2 JP60089672A JP8967285A JPH0310857B2 JP H0310857 B2 JPH0310857 B2 JP H0310857B2 JP 60089672 A JP60089672 A JP 60089672A JP 8967285 A JP8967285 A JP 8967285A JP H0310857 B2 JPH0310857 B2 JP H0310857B2
Authority
JP
Japan
Prior art keywords
ventilation
check valve
valve body
air
ventilation hole
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
JP60089672A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61246534A (ja
Inventor
Toshio Goto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fukubi Kagaku Kogyo KK
Original Assignee
Fukubi Kagaku Kogyo KK
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 Fukubi Kagaku Kogyo KK filed Critical Fukubi Kagaku Kogyo KK
Priority to JP60089672A priority Critical patent/JPS61246534A/ja
Publication of JPS61246534A publication Critical patent/JPS61246534A/ja
Publication of JPH0310857B2 publication Critical patent/JPH0310857B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Ventilation (AREA)
  • Building Environments (AREA)
JP60089672A 1985-04-24 1985-04-24 床下換気装置 Granted JPS61246534A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60089672A JPS61246534A (ja) 1985-04-24 1985-04-24 床下換気装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60089672A JPS61246534A (ja) 1985-04-24 1985-04-24 床下換気装置

Publications (2)

Publication Number Publication Date
JPS61246534A JPS61246534A (ja) 1986-11-01
JPH0310857B2 true JPH0310857B2 (en:Method) 1991-02-14

Family

ID=13977236

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60089672A Granted JPS61246534A (ja) 1985-04-24 1985-04-24 床下換気装置

Country Status (1)

Country Link
JP (1) JPS61246534A (en:Method)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH071365Y2 (ja) * 1988-08-22 1995-01-18 ワイケイケイ株式会社 換気装置の逆止弁

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5716513U (en:Method) * 1980-06-25 1982-01-28

Also Published As

Publication number Publication date
JPS61246534A (ja) 1986-11-01

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term