| 摘要 |
Spray-type fire-extinguishing device consisting of a projectile (1) for mortars, rocket launchers and the like, comprising a frontally situated tank (2) to carry fire-resistant products, having at least one door (9), a cylindrical chamber (3) at the back to take a propelling charge, an automatic release system (14-19) working by gravity and able to ensure that each door (9) opens automatically during the downward section of the arc followed by the launched projectile (1). |
