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US 11,585,645 B2Granted
Bullets and methods of making bullets
AssigneeOlin Corporation
InventorGerald Todd Eberhart
Life of this patent
Estimating the term…
Abstract
A method of making a bullet includes metal injection molding a bullet jacket or preform, and forming the jacket or preform into a bullet.
Claims3
A method of making a solid bullet comprising:
- metal injection molding a bullet preform, the bullet preform having a generally cylindrical shape with a solid rearward portion, and a hollow forward portion open to the front of the bullet preform, the hollow forward portion being formed by a cavity in the forward portion extending at least 50% of the total length of the preform;
- wherein the cavity has a generally widening rearward portion, a generally frustoconical intermediate portion, and a generally widening forward portion of a different diameter than the rearward portion, each of the three portions of the cavity widening toward the front of the preform, the slopes of the rearward and forward portions of the cavity being less than the slope of the intermediate portion;
- and shaping the hollow forward portion of the bullet preform into a tapering configuration with an open forward end.
Dependencies are inferred from the claim text.