| 摘要 |
FIELD: fire-fighting equipment, particularly portable extinguishers which are permanently pressurized or pressurized immediately before use. ^ SUBSTANCE: fire extinguisher comprises body, fire-extinguishing composition, siphon pipe, locking-and-triggering head, triggering lever, discharge nozzle, thermal lock, transition spout and external connection pipe. The thermal lock is provided with removable protective covering having inner diameter equal to 4.0-8.0 thermal lock bulb diameters. ^ EFFECT: increased fire-extinguishing efficiency. ^ 4 cl, 1 dwg |
