Title:
DEVICE FOR UNLOCKING DOOR UNDER WATER PRESSURE OF FIRE EXTINGUISHING H OSE AT THE TIME OF FIRE
Document Type and Number:
Japanese Patent JPS5252798
Kind Code:
A
Abstract:
PURPOSE: To provide a device for unlocking door utilizing water pressure of fire extinguishing hoses or pressure of other fluid.
Inventors:
SUMI KOSABUROU
Application Number:
JP12850875A
Publication Date:
April 27, 1977
Filing Date:
October 25, 1975
Export Citation:
Assignee:
SUMI TOSHIMASA
International Classes:
E05B51/02; (IPC1-7): E05B51/02
Domestic Patent References:
| JPS4972098A | 1974-07-11 |
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