A projectile has a liner forming an interior void, and a core disposed in a first region of the void proximal to a trailing end portion of the liner, with a portion of the void disposed forward with respect to the core. An outer jacket covers a leading end portion of the liner to enclose the interio
A projectile has a liner forming an interior void, and a core disposed in a first region of the void proximal to a trailing end portion of the liner, with a portion of the void disposed forward with respect to the core. An outer jacket covers a leading end portion of the liner to enclose the interior void. When the projectile impacts a target object, the core travels in a direction of flight through the leading end portion of the liner to impact the object. When the projectile impacts a target surface at a non-zero angle of approach with respect to the normal of the target surface, the projectile creates a deformation in the target surface immediately before the core travels through the leading end portion of the liner to impact the target. This deformation reduces the probability that the core will ricochet off the deformed portion of the surface.
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1. A projectile comprising: a liner comprising a liner leading end portion and a liner trailing end portion and having a longitudinal axis, the liner forming an interior void having a first void region, the first void region having a first void cross-sectional diameter perpendicular to the longitudi
1. A projectile comprising: a liner comprising a liner leading end portion and a liner trailing end portion and having a longitudinal axis, the liner forming an interior void having a first void region, the first void region having a first void cross-sectional diameter perpendicular to the longitudinal axis, a first void length, and a first void volume;a core disposed in the first void region proximal to the liner trailing end portion, the core having a maximum core cross-sectional diameter no greater than the first void cross-sectional diameter, the core having a core length less than the first void length, and the core having a core volume less than the first void volume; andan outer jacket covering the liner leading end portion. 2. The projectile of claim 1, wherein the core is configured to travel in a direction of flight through the liner leading end portion to impact an object in response to the projectile impacting the object. 3. The projectile of claim 1, wherein the interior void further comprises a second void region proximal to the liner leading end portion, the second void region having a second void cross-sectional diameter perpendicular to the longitudinal axis, the second void cross-sectional diameter less than the maximum core cross-sectional diameter. 4. The projectile of claim 3, wherein the core is configured to travel in a direction of flight through the second void region to impact an object in response to the projectile impacting the object. 5. The projectile of claim 4, wherein the liner leading end portion comprises a plurality of weakened portions configured to fragment the liner leading end portion in response to the core traveling through the liner leading end portion. 6. The projectile of claim 1, wherein the jacket has a jacket hardness, the liner has a liner hardness and a liner density, and the core has a core density, the liner hardness being greater than the jacket hardness, and the core density being greater than the liner density. 7. The projectile of claim 1, wherein the core comprises a core leading end portion having a tapered profile. 8. The projectile of claim 1, further comprising a cap disposed between the jacket and the interior void. 9. The projectile of claim 8, wherein the cap is configured to shatter in response to the projectile impacting an object. 10. The projectile of claim 8, wherein the jacket has a jacket hardness, the liner has a liner hardness and a liner density, the cap has a cap hardness and a cap density, and the core has a core density, the liner hardness being greater than the jacket hardness, the cap hardness being greater than the jacket hardness, the core density being greater than the liner density, and the core density being greater than the cap density. 11. The projectile of claim 10, wherein the cap density is substantially equal to the liner density, and the cap hardness is substantially equal to the liner hardness. 12. The projectile of claim 1, further comprising a plug coupled to the core proximal to the liner trailing end portion, the plug and the jacket enclosing the liner and the core. 13. The projectile of claim 12, wherein the plug is configured to separate from the core in response to the projectile impacting an object. 14. The projectile of claim 12, wherein the jacket has a jacket hardness, the liner has a liner hardness and a liner density, the core has a core density, and the plug has a plug density, the liner hardness being greater than the jacket hardness, the core density being greater than the liner density, and the core density being greater than the plug density. 15. The projectile of claim 1, wherein the projectile is devoid of lead and spent uranium-238. 16. The projectile of claim 1, wherein the projectile is configured to be disposed in a cartridge. 17. The projectile of claim 1, wherein the jacket and the liner leading end portion are configured to create a deformation in an object in response to the projectile impacting the object, and the core is configured to travel in a direction of flight through the liner leading end portion to impact the deformation in response to the projectile impacting the object. 18. A projectile comprising: a liner having a liner leading end portion, the liner forming an interior void; anda core completely disposed in the interior void, the core configured to impact the liner leading end portion in response to the projectile impacting an object, the core configured to impact the liner leading end portion after the projectile impacts the object;wherein a portion of the interior void is disposed between the core and a leading end portion of the projectile. 19. A method of assembling a projectile comprising: providing a liner comprising a liner leading end portion and a liner trailing end portion and having a longitudinal axis, the liner forming an interior void having a first void region, the first void region having a first void cross-sectional diameter perpendicular to the longitudinal axis, a first void length, and a first void volume;inserting a core into the first void region at the liner trailing end portion, the core having a maximum core cross-sectional diameter no greater than the first void cross-sectional diameter, the core having a core length less than the first void length, and the core having a core volume less than the first void volume; andinserting the liner leading end portion into an outer jacket to cover the liner leading end portion.
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이 특허에 인용된 특허 (12)
Alexander William (Stafford GB2), Armor penetrating bullet.
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