EXTINGUISHER Russian patent published in 2012 - IPC A62C13/00 

FIELD: fire-fighting means.

SUBSTANCE: invention relates to powder fire extinguishers and is designed for fire fighting. Fire extinguisher comprises a cylindrical body with a bottom and a welded lid, on the inner surface of which in a cartridge a neck collar is mounted. The top end of the neck collar is designed as an annular sealing ledge, which after assembly is adjacent to the inner surface of the welded lid. The neck collar is equipped with an internal threaded channel for installation of the start-up device and on the outside with a longitudinal groove, which includes a locking ledge of the cartridge. The neck collar preferably may be made of polymer material by method of casting or compression. The start-up device includes a head with the striker and a spring. At the head the start-up handle is mounted. Between the neck collar and the start-up device the O-ring is mounted.

EFFECT: constructive implementation of the elements of the body lid of a fire extinguisher provides increased reliability of the fire extinguisher and provides ease of manufacture and assembly.

5 cl, 3 dwg