FIRE-FIGHTING HOSE Russian patent published in 2018 - IPC A62C31/00 

FIELD: fire safety.

SUBSTANCE: invention relates to the fire-prevention technology, the means of fire-extinguishing material supply (liquid fire-extinguishing substance), and can be used on the mobile fire-fighting facility to supply the fire-extinguishing substance to the height to extinguish the open occurred fire of one-and two-storied residential, public and administrative buildings of IV-V degree fire resistance. The fire barrel 4 is provided with cylindrical nozzles - central 15 and peripheral 16. The nozzles 16 axes are positioned at the angle to the axis of the hose 4 body 8. There are the through cylindrical axial holes 17 (18) with the sharp inlet edge in the nozzle 15 (16).

EFFECT: fire extinguishing efficiency increase due to the possibility to supply the liquid fire extinguishing substances to the height, provision of the required intensity of fire extinguishing liquid supply from above to the maximum fire area, reduction of the open fire extinguishing time, personnel safety increase through the possibility to supply the fire extinguishing liquids without involving personnel into work at height in conditions of dangerous fire factors exposure, increase of the device operational reliability in the conditions of low negative temperatures of the north, expansion of the fire protection units operational departments tactical and technical capabilities.

2 cl, 6 dwg