Patent ID: 6712005
Filing Date: 2004-03-30
Classification: F42B

Abstract:
A projectile to be fired from a gun having a cartridge chamber with a conical transition region to a caliber barrel that adjoins a front of the gun, the projectile comprising: a sub-caliber penetrator, a jettisonable propelling cage sabot connected to the penetrator, at least one guide band adapted to the caliber of the barrel secured to a rear portion of the sabot, and a cartridge casing disposed at the rear of the sabot, with the length of the projectile being such that the guide band is still located in the chamber of the barrel when the projectile is disposed in the gun barrel; and further comprising:a sealing ring disposed on the outer circumferential surface of the guide band for sealing the caliber side of the chamber, with the sealing ring being formed of a plastic material selected such that at least a front part of the sealing ring is destroyed by radial pressure occurring in the conical transition region between the chamber and the caliber barrel as the projectile moves toward the muzzle of the gun barrel.