JPS5364942A - Fire prevention damper - Google Patents

Fire prevention damper

Info

Publication number
JPS5364942A
JPS5364942A JP13972876A JP13972876A JPS5364942A JP S5364942 A JPS5364942 A JP S5364942A JP 13972876 A JP13972876 A JP 13972876A JP 13972876 A JP13972876 A JP 13972876A JP S5364942 A JPS5364942 A JP S5364942A
Authority
JP
Japan
Prior art keywords
fire prevention
prevention damper
damper
momentum
subject
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.)
Granted
Application number
JP13972876A
Other languages
Japanese (ja)
Other versions
JPS5547905B2 (en
Inventor
Hideo Shironaga
Fukumi Shimojima
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP13972876A priority Critical patent/JPS5364942A/en
Publication of JPS5364942A publication Critical patent/JPS5364942A/en
Publication of JPS5547905B2 publication Critical patent/JPS5547905B2/ja
Granted legal-status Critical Current

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Abstract

PURPOSE: To provide a fire prevention damper, with which sufficient mechanical strength can be obtained even in case when its temperature fuse is subject to momentum, and also which has excellent temperature characteristics with respect to hot air.
COPYRIGHT: (C)1978,JPO&Japio
JP13972876A 1976-11-19 1976-11-19 Fire prevention damper Granted JPS5364942A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13972876A JPS5364942A (en) 1976-11-19 1976-11-19 Fire prevention damper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13972876A JPS5364942A (en) 1976-11-19 1976-11-19 Fire prevention damper

Publications (2)

Publication Number Publication Date
JPS5364942A true JPS5364942A (en) 1978-06-09
JPS5547905B2 JPS5547905B2 (en) 1980-12-03

Family

ID=15251997

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13972876A Granted JPS5364942A (en) 1976-11-19 1976-11-19 Fire prevention damper

Country Status (1)

Country Link
JP (1) JPS5364942A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5510952U (en) * 1978-07-10 1980-01-24
JPS5680160U (en) * 1979-11-22 1981-06-29
US5154666A (en) * 1990-09-17 1992-10-13 Daniel Wapner Air exchange system for use in multi-story building
US6022271A (en) * 1997-07-07 2000-02-08 Biondo; Vincent C. Fire responsive closing air vent

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02120319U (en) * 1989-03-13 1990-09-28

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5510952U (en) * 1978-07-10 1980-01-24
JPS586215Y2 (en) * 1978-07-10 1983-02-02 スタ−テング建材株式会社 Ventilation system with fireproof shutter
JPS5680160U (en) * 1979-11-22 1981-06-29
JPS6226111Y2 (en) * 1979-11-22 1987-07-03
US5154666A (en) * 1990-09-17 1992-10-13 Daniel Wapner Air exchange system for use in multi-story building
US6022271A (en) * 1997-07-07 2000-02-08 Biondo; Vincent C. Fire responsive closing air vent

Also Published As

Publication number Publication date
JPS5547905B2 (en) 1980-12-03

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