Title:
DISASTER PREVENTION SYSTEM FOR COMMUNICATION PASSAGE
Document Type and Number:
Japanese Patent JP2022133661
Kind Code:
A
Abstract:
To provide a disaster prevention system for a communication passage, capable of safely achieving passage connection between adjacent buildings which can reinforce a disaster prevention function of the communication passage and improving convenience and a function.SOLUTION: A disaster prevention system for a communication passage comprises: a fire prevention shutter 4 which is provided in a communication passage 3 connecting first and second adjacent buildings 1 and 2 and executes a closing operation to freely close the communication passage 3 upon reception of a closing signal Dc; a first building side fire sensor 11 which is installed at a place near the communication passage 3 or at the communication passage 3 in the first building 1; a second building side fire sensor 21 which is installed at a place near the communication passage 3 or at the communication passage 3 in the second building 2; a first building side information transmission system 12 which transmits the closing signal Dc to the fire prevention shutter 4 following generation of a fire signal Df from the first building side fire sensor 11; and a second building side information transmission system 22 which transmits the closing signal Dc to the fire prevention shutter 4 following generation of the fire signal Df from the second building side fire sensor 21.SELECTED DRAWING: Figure 1
Inventors:
HANADA HIROSHI
AKIYAMA TETSUYA
SUGITA DAISUKE
AKIYAMA TETSUYA
SUGITA DAISUKE
Application Number:
JP2021032465A
Publication Date:
September 14, 2022
Filing Date:
March 02, 2021
Export Citation:
Assignee:
TAKENAKA KOMUTEN CO
International Classes:
A62C2/06; E06B9/82; G08B17/00
Attorney, Agent or Firm:
Masahiro Miyaji
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