Portable dry chemical fire extinguisher

Details Portable dry chemical fire extinguisher Portable dry chemical fire extinguisher

1984-10-29

1987-03-17

Kashnikow, Andres

Fire extinguishers

Portable vessels

Gas pressure

239325, A62C 3518

Patent

active

046500049

ABSTRACT:
A fire extinguishing apparatus for dispensing a dry chemical agent from a container by using a suitable supply of compressed gas such as carbon dioxide. The compressed gas is used to fluidize the chemical agent and carry the agent to a hand manipulated nozzle which is aimed at the fire. The extinguishing apparatus is actuated by removing a safety pin from the actuating lever, depressing the lever depresses a plunger valve that opens a passage from the container to the nozzle outlet and simultaneously transfers a linear motion to a tubular spool through a connecting lever. The tubular spool punctures a seal on a compressed gas cartridge releasing the gas into the container aerating the dry chemical and transporting it through the open plunger valve and out the nozzle.

REFERENCES:
patent: 2533685 (1950-12-01), Nurkiewicz
patent: 2580448 (1952-01-01), Mapes et al.
patent: 2731093 (1956-01-01), Gordon
patent: 2865458 (1958-12-01), Simoncini et al.
patent: 3263515 (1966-08-01), Adamski
patent: 3618669 (1971-11-01), Sachs
patent: 3733309 (1973-05-01), Wyeth et al.
patent: 3858659 (1975-01-01), Fukushima

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