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JPS5252798A - Device for unlocking door under water pressure of fire extinguishing h ose at the time of fire - Google Patents

Device for unlocking door under water pressure of fire extinguishing h ose at the time of fire

Info

Publication number
JPS5252798A
JPS5252798A JP12850875A JP12850875A JPS5252798A JP S5252798 A JPS5252798 A JP S5252798A JP 12850875 A JP12850875 A JP 12850875A JP 12850875 A JP12850875 A JP 12850875A JP S5252798 A JPS5252798 A JP S5252798A
Authority
JP
Japan
Prior art keywords
fire
water pressure
ose
time
under water
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
JP12850875A
Other languages
Japanese (ja)
Inventor
Kosaburo Sumi
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.)
SUMI TOSHIMASA
Original Assignee
SUMI TOSHIMASA
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 SUMI TOSHIMASA filed Critical SUMI TOSHIMASA
Priority to JP12850875A priority Critical patent/JPS5252798A/en
Publication of JPS5252798A publication Critical patent/JPS5252798A/en
Pending legal-status Critical Current

Links

Landscapes

  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)

Abstract

PURPOSE: To provide a device for unlocking door utilizing water pressure of fire extinguishing hoses or pressure of other fluid.
COPYRIGHT: (C)1977,JPO&Japio
JP12850875A 1975-10-25 1975-10-25 Device for unlocking door under water pressure of fire extinguishing h ose at the time of fire Pending JPS5252798A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12850875A JPS5252798A (en) 1975-10-25 1975-10-25 Device for unlocking door under water pressure of fire extinguishing h ose at the time of fire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12850875A JPS5252798A (en) 1975-10-25 1975-10-25 Device for unlocking door under water pressure of fire extinguishing h ose at the time of fire

Publications (1)

Publication Number Publication Date
JPS5252798A true JPS5252798A (en) 1977-04-27

Family

ID=14986468

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12850875A Pending JPS5252798A (en) 1975-10-25 1975-10-25 Device for unlocking door under water pressure of fire extinguishing h ose at the time of fire

Country Status (1)

Country Link
JP (1) JPS5252798A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53143499A (en) * 1977-05-17 1978-12-13 Sumi Toshimasa Device for releasing lock of door releasable by water pressure from fire hose at time of occurrence of fire
US6619704B1 (en) * 2002-07-09 2003-09-16 Kun-Lin Lee Emergent unlatching mechanism for fire door latch assembly

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4972098A (en) * 1972-11-13 1974-07-11

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4972098A (en) * 1972-11-13 1974-07-11

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53143499A (en) * 1977-05-17 1978-12-13 Sumi Toshimasa Device for releasing lock of door releasable by water pressure from fire hose at time of occurrence of fire
US6619704B1 (en) * 2002-07-09 2003-09-16 Kun-Lin Lee Emergent unlatching mechanism for fire door latch assembly

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