FIXED AMMUNITION Russian patent published in 2005 - IPC

FIELD: ammunition for artillery automatic rifled weapon, in particular, fixed small-caliber ammunition, whose shells have a plastic driving band.

SUBSTANCE: the fixed artillery small caliber ammunition includes a shell with two plastic driving bands, formed by casting under pressure in annular grooves of the lower barreled, the neck of the case filled with powder propellant charge is joined to which. The neck of the case is shortened by the value of the shift of the second from the nose part of the driving band to the bottom end face of the shell, the gap between the driving bands is limited within 3 to 4 mm, and the front profile of the first driving band is made congruent to the intake cone of the barrel bullet, the gap between the leading bands is limited within 3 to 4 mm, and the front profile of the first driving band is made congruent to the cone of the bullet inlet of the gun barrel, the outside diameter of the plastic leading bands makes up 1.04 to 1.05 shell caliber, and the shell bottom end face is conjugated with its outer surface in radius of 1.0 m.

EFFECT: provided universality to the ammunition with two plastic leading bands fit for fire from standard barrels of automatic guns.

3 dwg