Patent ID: 6148731
Filing Date: 2000-11-21
Classification: F42B

Abstract:
An expansion projectile comprising a monobloc projectile body having an end face, the end face of the monobloc projectile body formed by(a) a central arbor consisting of(1) a shaft having an axis and(2) a tip, and(b) a collar having a free edge radially pressed inwardly toward the axis,(1) the collar coaxially surrounding the central arbor and having an outer shape tapering towards the free edge,(2) a cavity being defined between the central arbor shaft and the collar, the cavity being open towards the end face,(3) the collar touching the central arbor shaft at least in a transition area between the central arbor shaft and tip, and(4) the central arbor shaft protruding at least to the axial height of the free collar edge.