JPS51128143A - Air duct dumper closing device - Google Patents

Air duct dumper closing device

Info

Publication number
JPS51128143A
JPS51128143A JP5220075A JP5220075A JPS51128143A JP S51128143 A JPS51128143 A JP S51128143A JP 5220075 A JP5220075 A JP 5220075A JP 5220075 A JP5220075 A JP 5220075A JP S51128143 A JPS51128143 A JP S51128143A
Authority
JP
Japan
Prior art keywords
air duct
dumper
closing device
outbreak
smoke
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
JP5220075A
Other languages
Japanese (ja)
Inventor
Shoichiro Tabuchi
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP5220075A priority Critical patent/JPS51128143A/en
Publication of JPS51128143A publication Critical patent/JPS51128143A/en
Pending legal-status Critical Current

Links

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  • Air-Flow Control Members (AREA)

Abstract

PURPOSE: o provide a dumper mechanism which automatically close an air duct when smoke is sensed at the outbreak of a fire.
COPYRIGHT: (C)1976,JPO&Japio
JP5220075A 1975-04-30 1975-04-30 Air duct dumper closing device Pending JPS51128143A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5220075A JPS51128143A (en) 1975-04-30 1975-04-30 Air duct dumper closing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5220075A JPS51128143A (en) 1975-04-30 1975-04-30 Air duct dumper closing device

Publications (1)

Publication Number Publication Date
JPS51128143A true JPS51128143A (en) 1976-11-08

Family

ID=12908132

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5220075A Pending JPS51128143A (en) 1975-04-30 1975-04-30 Air duct dumper closing device

Country Status (1)

Country Link
JP (1) JPS51128143A (en)

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