Cartridge with combined effects projectile

Patent metadata

Field	Value
Publication number	US-11226182-B2
Application number	US-202016904731-A
Country	US
Kind code	B2
Filing date	Jun 18, 2020
Priority date	Apr 28, 2017
Publication date	Jan 18, 2022
Grant date	Jan 18, 2022

Abstract

A cartridge comprising a bullet, the bullet providing a radially expanding array of bullet fragments upon entering a target and also providing an increase in effective surface area of the bullet within the target by structural features that facilitate tumbling or mushrooming in the target. In an embodiment a pair of axial core members are aligned in a bullet jacket with the forward core member being segmented with separation junctures formed by engaged faces of adjacent segments. Impact causing fracturing of the segments from a base portion.

First claim

What is claimed is:

1. A handgun cartridge comprising:
a cartridge casing comprising a mouth and an interior, propellant in the interior of the cartridge casing, and a bullet secured in the mouth of the cartridge casing, the cartridge and bullet comprising a central axis, the bullet comprising an axial length, the bullet comprising:
a jacket member;
a core disposed inside the jacket member, the core comprising an outer circumferential surface;
the core comprising a rearward base portion and a forward ogive portion, the forward ogive portion comprising a plurality of core segments extending axially forwardly, the plurality of core segments circumferentially spaced around the central bullet axis and defining a bullet tip comprising an axially extending recess at said tip, adjacent pairs of core segments defining a separation, the separations extending at least 20% of the axial length of the bullet at the outer surface of the core.

2. The handgun cartridge of claim 1 , wherein the plurality of core segments numbers from 3 to 8.

3. The handgun cartridge of claim 1 , wherein the axially extending recess at the bullet tip comprises a depth, and wherein the axial length of the separations is greater than the depth of the axially extending recess.

4. The handgun cartridge of claim 1 wherein the axial length of the axially extending recess is the same length as the axial length of the separations.

5. The handgun cartridge of claim 1 , wherein the core comprises a material selected from: steel, lead, copper, ETP copper, copper alloys, brass, bronze, carbides, tungsten, tungsten carbide, silicon carbide, tungsten heavy alloys, aluminum, aluminum alloys, iron, polymers, polymer matrixes, fiber-reinforced polymers, carbon composite materials, and ceramics.

6. The handgun cartridge of claim 1 , wherein the jacket has a plurality of axially extending tear guides extending rearwardly from a forward margin, whereby when the bullet strikes a target the jacket may petal outwardly, wherein the plurality of axially extending tear guides are at least one of skives, folds, and slits.

7. The handgun cartridge of claim 1 , wherein the separations extend at least 30% of the axial length of the bullet at the outer surface of the core.

8. The handgun cartridge of claim 1 , wherein the separations extend at least 50% of the axial length of the bullet at the outer surface of the core.

9. The handgun cartridge of claim 1 , wherein the separations extend at least 60% of the axial length of the bullet at the outer surface of the core.

10. A handgun cartridge comprising:
a cartridge casing comprising a mouth and an interior, propellant in the interior of the cartridge casing, and a bullet secured in the mouth of the cartridge casing, the cartridge and bullet comprise a central axis, the bullet comprising an axial length, the bullet comprising:
a jacket member;
a core disposed inside the jacket member, the core comprising an outer circumferential surface; and
the core comprising a plurality of core segments spaced apart by portions of the core;
wherein the core has a plurality of axially extending separations between the core segments extending to the outer circumferential surface of the core, the separations extending at least 20% of the axial length of the bullet at the outer surface of the core.

11. The handgun cartridge of claim 10 , the plurality of core segments define a bullet tip comprising an axially extending recess at said tip.

12. The handgun cartridge of claim 10 wherein the core is comprised of lead.

13. The handgun cartridge of claim 10 , wherein the separations extend at least 30% of the axial length of the bullet at the outer surface of the core.

14. The handgun cartridge of claim 10 , wherein the separations extend at least 50% of the axial length of the bullet at the outer surface of the core.

15. The handgun cartridge of claim 10 , wherein the separations extend at least 60% of the axial length of the bullet at the outer surface of the core.

16. A cartridge comprising:
a cartridge casing comprising a mouth and an interior,
propellant in the interior of the cartridge casing, and
a bullet secured in the mouth of the cartridge casing,
the cartridge and bullet comprising a central axis, the bullet comprising a forward tip and a length, the bullet comprising a homogeneous material, the bullet comprising a rearward base portion and a forward ogive portion, the forward ogive portion extending at least 40% of the length of the bullet, the forward ogive portion comprising a plurality of axially extending cuts defining a plurality of ogive segments that are circumferentially spaced around the ogive portion, the rearward base portion not comprising any cuts, each axial cut of the forward ogive portion, when viewed axially looking toward the forward tip of the bullet are one of arcuately shaped and V-shaped, the axially extending cuts extending an axial length at least 30% of the length of the bullet.

17. A bullet comprising an axial length comprising:
a jacket member;
a core disposed inside the jacket member, the core comprising an outer circumferential surface;
the core comprising a plurality of axially extending cuts defining a plurality of core segments extending axially forwardly,
wherein each axial cut, when viewed axially looking toward the forward tip of the bullet is one of arcuately shaped and V-shaped
the plurality of core segments arranged circularly around the central bullet axis and defining a bullet tip comprising an axially extending recess at said tip, adjacent pairs of core segments defining a separation, the separations junctures extending at least 20% of the axial length of the bullet at the outer surface of the core.

18. The bullet of claim 17 , wherein the separations extend at least 30% of the axial length of the bullet at the outer surface of the core.

19. The bullet of claim 17 , wherein the separations extend at least 50% of the axial length of the bullet at the outer surface of the core.

20. The bullet of claim 17 , wherein the separations extend at least 60% of the axial length of the bullet at the outer surface of the core.

Assignees

• Vista Outdoor Operations Llc

Inventors

• Peterson Bryan P

Classifications

• F42B12/78

  of jackets for smallarm bullets {; Jacketed bullets or projectiles} · CPC title

• F42B12/74

  of the core or solid body · CPC title

• F42B12/367 Primary

  Projectiles fragmenting upon impact without the use of explosives, the fragments creating a wounding or lethal effect (practice or training projectiles disintegrating upon impact F42B8/14; projectiles of high-explosive type with fragmentation-hull construction F42B12/22) · CPC title

• F42B12/745

  the core being made of plastics; Compounds or blends of plastics and other materials, e.g. fillers · CPC title