JPS522048A - Smoke prevention shutter means - Google Patents

Smoke prevention shutter means

Info

Publication number
JPS522048A
JPS522048A JP7758575A JP7758575A JPS522048A JP S522048 A JPS522048 A JP S522048A JP 7758575 A JP7758575 A JP 7758575A JP 7758575 A JP7758575 A JP 7758575A JP S522048 A JPS522048 A JP S522048A
Authority
JP
Japan
Prior art keywords
shutter means
smoke prevention
prevention shutter
smoke
refugee
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
JP7758575A
Other languages
Japanese (ja)
Other versions
JPS5524549B2 (en
Inventor
Sadaji Ishihara
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 JP7758575A priority Critical patent/JPS522048A/en
Publication of JPS522048A publication Critical patent/JPS522048A/en
Publication of JPS5524549B2 publication Critical patent/JPS5524549B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)

Abstract

PURPOSE: To automatically shut smoke produced at the time of a fire accident and also enable prompt and safe refuge without constituting an obstacle to the retreat of the refugee.
COPYRIGHT: (C)1977,JPO&Japio
JP7758575A 1975-06-24 1975-06-24 Smoke prevention shutter means Granted JPS522048A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7758575A JPS522048A (en) 1975-06-24 1975-06-24 Smoke prevention shutter means

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7758575A JPS522048A (en) 1975-06-24 1975-06-24 Smoke prevention shutter means

Publications (2)

Publication Number Publication Date
JPS522048A true JPS522048A (en) 1977-01-08
JPS5524549B2 JPS5524549B2 (en) 1980-06-30

Family

ID=13638044

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7758575A Granted JPS522048A (en) 1975-06-24 1975-06-24 Smoke prevention shutter means

Country Status (1)

Country Link
JP (1) JPS522048A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58161293U (en) * 1982-04-22 1983-10-27 東京電力株式会社 Waterproof plug at the mouth of underground power distribution cable protection pipe

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5093439U (en) * 1973-12-25 1975-08-06

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5093439U (en) * 1973-12-25 1975-08-06

Also Published As

Publication number Publication date
JPS5524549B2 (en) 1980-06-30

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