초록 ▼

The present invention provides a projectile device and a method of manufacture of a projectile device and in particular, to a pistol bullet and a rifle bullet and method of manufacture of same. In one embodiment, the projectile apparatus has a cylindrical body portion having a diameter, a front nose

The present invention provides a projectile device and a method of manufacture of a projectile device and in particular, to a pistol bullet and a rifle bullet and method of manufacture of same. In one embodiment, the projectile apparatus has a cylindrical body portion having a diameter, a front nose section tapering from a most proximal point of the projectile to the cylindrical body portion, and a rear tail section connected to the body portion and extending to the most distal point of the projectile, in which the front nose portion comprises a plurality of twisting depressions forming troughs.

대표청구항 ▼

1. A projectile for use in a handheld weapon, comprising: a cylindrical body with a longitudinal axis and a first end and a second end which defines a first length therebetween; anda nose integrally interconnected at a junction to said second end of said cylindrical body, said nose having an apex on

1. A projectile for use in a handheld weapon, comprising: a cylindrical body with a longitudinal axis and a first end and a second end which defines a first length therebetween; anda nose integrally interconnected at a junction to said second end of said cylindrical body, said nose having an apex on a forward-most portion and a second length between said apex and said junction, wherein said nose tapers outwardly from said apex such that a diameter of said nose increases from said apex to said junction, said nose further comprising: (a) a plurality of cutout portions originating at said apex of said nose and terminating proximate said junction, wherein each cutout portion in said plurality of cutout portions forms a curved trough with a radius of curvature, and wherein a lowermost portion of each of said troughs is positioned at an angle of between 5 degrees and 45 degrees with respect to said longitudinal axis of said cylindrical body, such that the cutout portions twist about the longitudinal axis;(b) a plurality of non-distorted nose portions, wherein each non-distorted nose portion is positioned between two cutout portions in said plurality of cutout portions; and(c) a plurality of cutting edges, wherein each cutting edge is formed by an intersection between two of said cutout portions, and wherein said plurality of cutting edges are positioned proximate to and extend to said apex of said nose portion. 2. The projectile of claim 1, wherein each non-distorted nose portion in said plurality of non-distorted nose potions has a substantially triangular shape. 3. The projectile of claim 1, wherein each cutout portion in said plurality of cutout portions has a length of approximately said second length. 4. The projectile of claim 1, wherein each cutout portion in said plurality of cutout portions has a radius of curvature of between 0.0625 and 0.250 inches. 5. The projectile of claim 1, wherein said plurality of cutout portions have either a right twist or a left twist with respect to said longitudinal axis of said projectile. 6. The projectile of claim 1, wherein said plurality of cutout portions comprises three cutout portions and said plurality of non-distorted nose portions comprises three non-distorted nose portions. 7. The projectile of claim 6, wherein said plurality of cutting edges comprises three cutting edges. 8. The projectile of claim 1, wherein said first length of said cylindrical body is greater than said second length of said nose. 9. The projectile of claim 1, wherein said first length of said cylindrical body is between 0.200 and 0.50 inches and said second length of said nose is between 0.200 and 0.400 inches. 10. The projectile of claim 1, wherein at least one of said cutout portions terminates in a substantially flat shoulder oriented substantially perpendicular to said longitudinal axis and positioned proximate to said junction. 11. The projectile of claim 1, wherein said projectile is made of a metallic material. 12. The projectile of claim 1, wherein the projectile is sized in at least one of a 0.380 inch, a 9 mm, a 0.40 inch, and a 0.45 inch caliber and is adapted for use with a handgun. 13. The projectile of claim 1, wherein the projectile is two pieces and comprises a nose portion insert that is compression fit into a cylindrical portion housing. 14. A one-piece projectile with enhanced performance characteristics for use with a handheld firearm, comprising: a first end having a tip;a second end having a base, the second end positioned opposite the first end, wherein the projectile has an overall length defined between the tip and the base;a cylindrical portion having a predetermined diameter and positioned between the first end and the second end, the cylindrical portion having a length of at least 50% of the overall length of the projectile;a nose portion tapering from the tip to the cylindrical portion, wherein the nose portion is integrally interconnected to the cylindrical portion at a junction;a first depression forming a first trough extending substantially from the junction to the tip of the projectile, wherein a first centerline of the first depression is positioned at a first angle between 5 degrees and about 45 degrees relative to a longitudinal centerline of the projectile, such that the first trough twists about the longitudinal axis, and wherein the first trough has a first radius of curvature;a second depression forming a second trough extending from the junction to the tip of the projectile, wherein a second centerline of the second depression is positioned at a second angle between 5 degrees and about 45 degrees relative to the longitudinal centerline of the projectile, such that the second trough twists about the longitudinal axis, and wherein the second trough has a second radius of curvature;a first remaining nose portion positioned between the first depression and the second depression, the first remaining nose portion having a substantially triangular shape with a thinner portion of the triangular shape proximate the tip, and the first remaining portion having an outer surface which forms a smooth transition with an outer surface of the cylindrical portion;a first cutting edge positioned proximate to the tip and formed by an intersection of the first depression and the second depression;a third depression forming a third trough extending from the junction to the tip of the projectile, wherein a third centerline of the third depression is positioned at a third angle between 5 degrees and about 45 degrees relative to the longitudinal centerline of the projectile, such that the third trough twists about the longitudinal axis, and wherein the third trough has a third radius of curvature;a second remaining nose portion positioned between the second depression and the third depression, the second remaining nose portion having a substantially triangular shape with a thinner portion of the triangular shape proximate the tip, and the second remaining portion having an outer surface which forms a smooth transition with the outer surface of the cylindrical portion;a second cutting edge positioned proximate to the tip and formed by an intersection of the second depression and the third depression;a third remaining nose portion positioned between the first depression and the third depression, the third remaining nose portion having a substantially triangular shape with a thinner portion of the triangular shape proximate the tip, and the third remaining portion having an outer surface which forms a smooth transition with the outer surface of the cylindrical portion; anda third cutting edge positioned proximate to the tip and formed by an intersection of the first depression and the third depression. 15. The projectile of claim 14, wherein the projectile is comprised at least partially of at least one of a lead, a copper, a steel, a magnesium, and a titanium material. 16. The projectile of claim 14, wherein the first angle of the first centerline of the first depression is substantially the same as the second angle of the second centerline of the second depression and the third angle of the third centerline of the third depression, and wherein the first radius of curvature of the first trough is substantially the same as the second radius of curvature of the second trough and the third radius of curvature of the third trough. 17. The projectile of claim 14, wherein each of the first trough, second trough, and third trough terminates in a substantially flat shoulder positioned proximate to the junction and oriented substantially perpendicular to the longitudinal centerline of the projectile. 18. A bullet adapted for insertion into a casing filled with an explosive propellant, comprising: a cylindrical body with a longitudinal axis defined therethrough;a nose integrally interconnected to a forward end of the cylindrical body and tapering inwardly to terminate at a tip;an alternating pattern of arcuate-shaped cutout portions extending from approximately the tip of the nose to the forward end of the cylindrical body and non-distorted nose portions positioned between the arcuate-shaped cutout portions, wherein the non-distorted nose portions have a substantially triangular shape, and wherein the arcuate-shaped cutout portions are oriented at a specific angle with respect to the longitudinal axis of the cylindrical body such that the cutout portions twist about the longitudinal axis; anda plurality of cutting edges, wherein each cutting edge is formed by an intersection of two arcuate-shaped cutout portions, and wherein the cutting edges are positioned forward of the non-distorted nose portions and extend to the tip of the nose. 19. The bullet of claim 18, wherein the non-distorted nose portions have a thinner portion of the substantially triangular shape positioned proximate the cutting edges and a thicker portion positioned proximate the forward end of the cylindrical body. 20. The bullet of claim 18, wherein each of the arcuate-shaped cutout portions terminates in a substantially flat shoulder positioned proximate to the forward end of the cylindrical body and oriented substantially perpendicular to the longitudinal axis of the cylindrical body.