| abstract |
(57) [Summary] [Purpose] The best cost-effectiveness allows immediate response to urgent situations. To provide a fire extinguishing method that effectively extinguishes large-scale urban fires that may cause survivors. [Problem] A proximity fuze 11 at the tip, gas generating means 21 activated by the fuze, a fire extinguishing liquid 31 filled around the balloon 61 with a balloon 61 interposed therebetween, And a container 51 having There are a type having a parachute 7 for deceleration, an armor-piercing type, a guided type, and a glide-guided type. When the fire extinguishing target F during the flame is reached, the proximity fuze 11 is activated and ignites the agent of the gas generating means 21 to generate gas and inflate the balloon 21. The fire-extinguishing liquid 31 whose pressure has risen blows out from the jet port 4 and is sprayed on the fire extinguishing target F to extinguish the fire. Since the container 51 does not rupture and fragments are not scattered, the survivor is not hurt. [Effect] It is cost-effective because it can be operated from the SDF's existing airplane, and it is safe because fragments do not scatter and do not injure survivors. |