Title:
SPRINKLER FIRE EXTINGUISHING DEVICE
Document Type and Number:
Japanese Patent JPH10192443
Kind Code:
A
Abstract:
To provide a sprinkler fire extinguishing device capable of suppressing the equipment cost low without requiring a high pressure resisting branch pipe.
This device has branch pipes 61, 62, 63 branched from a distributing main pipe 3 to be filled with fire extinguishing water, closed sprinkler heads 8 connected to the branch pipes 61, 62, 63, valves 71, 72, 72 provided on the branch pipes 61, 62, 63 and closed in monitoring, and opening and closing valves 17 provided on the secondary side of the valves 71, 72, 73 to release the pressure of the fire extinguishing water filled on the secondary side.
Inventors:
SAKO SHINJI
OHASHI MASAMITSU
SHIMIZU YOSHIKAZU
OHASHI MASAMITSU
SHIMIZU YOSHIKAZU
Application Number:
JP555598A
Publication Date:
July 28, 1998
Filing Date:
January 14, 1998
Export Citation:
Assignee:
NOHMI BOSAI LTD
International Classes:
A62C35/64; A62C35/68; A62C37/00; A62C37/08; (IPC1-7): A62C35/68; A62C35/64; A62C37/00; A62C37/08
Attorney, Agent or Firm:
Muneharu Sasaki (3 outside)