Projectile with core-locking features and method of manufacturing
First Claim
Patent Images
1. A firearm projectile comprising:
- a core extending along a central axis from a base portion to a tip portion, the base portion generally having a cylindrical shape and the tip portion comprising an ogive shape;
a jacket encasing the core along the base portion and the tip portion, the jacket having a shank portion defining a closed rear end and having an ogive portion extending to an open front end, the shank portion including a forward sidewall portion having a forward sidewall thickness and a rear sidewall portion having a rear sidewall thickness at least 1.5 times the forward sidewall thickness; and
a plurality of protrusions extending into the core from an inside of the shank portion, each of the plurality of protrusions being continuous with the shank portion at an axial location between the forward sidewall portion and the rear sidewall portion, the plurality of protrusions having a circumferentially spaced-apart arrangement with each of the plurality of protrusions engaging the core to retain the core together with the jacket upon impact with a target.
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Abstract
A firearm projectile has a core extending along a central axis from a base portion to a tip portion, the base portion generally having a cylindrical shape and the tip portion comprising an ogive shape. A jacket encases the core along the base portion and the tip portion, the jacket having a shank portion defining a closed rear end and an ogive portion extending to an open front end. Protrusions extend into the core from an inside of the shank portion, the protrusions having a spaced-apart arrangement with each protrusion engaging the core to retain the core together with the jacket upon impact with a target.
60 Citations
21 Claims
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1. A firearm projectile comprising:
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a core extending along a central axis from a base portion to a tip portion, the base portion generally having a cylindrical shape and the tip portion comprising an ogive shape; a jacket encasing the core along the base portion and the tip portion, the jacket having a shank portion defining a closed rear end and having an ogive portion extending to an open front end, the shank portion including a forward sidewall portion having a forward sidewall thickness and a rear sidewall portion having a rear sidewall thickness at least 1.5 times the forward sidewall thickness; and a plurality of protrusions extending into the core from an inside of the shank portion, each of the plurality of protrusions being continuous with the shank portion at an axial location between the forward sidewall portion and the rear sidewall portion, the plurality of protrusions having a circumferentially spaced-apart arrangement with each of the plurality of protrusions engaging the core to retain the core together with the jacket upon impact with a target. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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Specification