JPS6083652U - fire damper - Google Patents

fire damper

Info

Publication number
JPS6083652U
JPS6083652U JP17603483U JP17603483U JPS6083652U JP S6083652 U JPS6083652 U JP S6083652U JP 17603483 U JP17603483 U JP 17603483U JP 17603483 U JP17603483 U JP 17603483U JP S6083652 U JPS6083652 U JP S6083652U
Authority
JP
Japan
Prior art keywords
fire prevention
fire damper
prevention damper
damper
struts
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
JP17603483U
Other languages
Japanese (ja)
Inventor
昌司 後藤
岩宮　正治
Original Assignee
東洋熱工業株式会社
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 東洋熱工業株式会社 filed Critical 東洋熱工業株式会社
Priority to JP17603483U priority Critical patent/JPS6083652U/en
Publication of JPS6083652U publication Critical patent/JPS6083652U/en
Pending legal-status Critical Current

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Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は、従来の防火ダンパの正面図、第２図は同じく
側面図、第３図はこの考案の防火ダンパの正面図、第４
図は同じく側面図である。 符号の説明、１，１′・・・羽根、２・・・連結棒、３
・・・温度ヒユーズ、４・・・おもり、５，６・・・ア
ーム、７・・・羽根軸、８・・・ダンパー、１ｏ・・・
形状記憶合金バネ、１１・・・支柱。・Fig. 1 is a front view of a conventional fire damper, Fig. 2 is a side view, Fig. 3 is a front view of the fire damper of this invention, and Fig. 4 is a front view of a conventional fire damper.
The figure is also a side view. Explanation of symbols, 1, 1'...Blade, 2...Connecting rod, 3
... Temperature fuse, 4... Weight, 5, 6... Arm, 7... Vane shaft, 8... Damper, 1o...
Shape memory alloy spring, 11... strut.・

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 防火ダンパの羽根操作手段において、所定温度で伸縮を
起すように記憶処理した形状記憶合金を防火ダンパの羽
根と支柱の間に自由に動くことができるように設置した
ことを特徴とする防火ダンパ。A fire prevention damper characterized in that, in the blade operation means of the fire prevention damper, a shape memory alloy that has been subjected to memory treatment so as to expand and contract at a predetermined temperature is installed between the blades and the struts of the fire prevention damper so as to be freely movable.
JP17603483U 1983-11-16 1983-11-16 fire damper Pending JPS6083652U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17603483U JPS6083652U (en) 1983-11-16 1983-11-16 fire damper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17603483U JPS6083652U (en) 1983-11-16 1983-11-16 fire damper

Publications (1)

Publication Number Publication Date
JPS6083652U true JPS6083652U (en) 1985-06-10

Family

ID=30382819

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17603483U Pending JPS6083652U (en) 1983-11-16 1983-11-16 fire damper

Country Status (1)

Country Link
JP (1) JPS6083652U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5848262B2 (en) * 1980-12-17 1983-10-27 宮川金属工業株式會社 Manufacturing method for parts with ears such as butterfly nuts

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5848262B2 (en) * 1980-12-17 1983-10-27 宮川金属工業株式會社 Manufacturing method for parts with ears such as butterfly nuts

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