JPS585884Y2 - ダンパ− - Google Patents

ダンパ−

Info

Publication number
JPS585884Y2
JPS585884Y2 JP5500374U JP5500374U JPS585884Y2 JP S585884 Y2 JPS585884 Y2 JP S585884Y2 JP 5500374 U JP5500374 U JP 5500374U JP 5500374 U JP5500374 U JP 5500374U JP S585884 Y2 JPS585884 Y2 JP S585884Y2
Authority
JP
Japan
Prior art keywords
blade
shaped
damper
duct
rectangular
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
Application number
JP5500374U
Other languages
English (en)
Japanese (ja)
Other versions
JPS50144455U (enExample
Inventor
勇 下ノ村
孝夫 中井
功 中山
喜之 葭井
Original Assignee
ニツタンデンシ カブシキガイシヤ
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 ニツタンデンシ カブシキガイシヤ filed Critical ニツタンデンシ カブシキガイシヤ
Priority to JP5500374U priority Critical patent/JPS585884Y2/ja
Priority to US05/541,160 priority patent/US3980272A/en
Publication of JPS50144455U publication Critical patent/JPS50144455U/ja
Application granted granted Critical
Publication of JPS585884Y2 publication Critical patent/JPS585884Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Lift Valve (AREA)
  • Air-Flow Control Members (AREA)
JP5500374U 1974-05-16 1974-05-16 ダンパ− Expired JPS585884Y2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP5500374U JPS585884Y2 (ja) 1974-05-16 1974-05-16 ダンパ−
US05/541,160 US3980272A (en) 1974-05-16 1975-01-15 Fire smoke damper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5500374U JPS585884Y2 (ja) 1974-05-16 1974-05-16 ダンパ−

Publications (2)

Publication Number Publication Date
JPS50144455U JPS50144455U (enExample) 1975-11-28
JPS585884Y2 true JPS585884Y2 (ja) 1983-02-01

Family

ID=28206574

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5500374U Expired JPS585884Y2 (ja) 1974-05-16 1974-05-16 ダンパ−

Country Status (1)

Country Link
JP (1) JPS585884Y2 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS565715Y2 (enExample) * 1976-11-11 1981-02-06

Also Published As

Publication number Publication date
JPS50144455U (enExample) 1975-11-28

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