| 摘要 |
A fire extinguishing device of the explosive type is disclosed for use in interior or localized exterior conflagrations, wherein the force of detonation is minimalized through the use of low-density, low-mass components The present invention is an improvement of U S Patent 6,796,382 by the same inventor, wherein the pyrotechnic detonator is advanced upon to attenuate the sound of the previous invention, and improve upon the omni-directional dispersal of the fire retarding agent The exterior ball is composed of a lightweight casing of rigid plastic foam or other suitably frangible material, with an abrasion-resistant, thin plastic, protective, exterior sheathing Within the internal cavity of the device, the above-mentioned low-yield pyrotechnic detonator is located inside and is actuated by fuse cords secured at or near the exterior surface The intenor volume of the hollow casing is charged with fire-retardant chemical agents.
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