Claims
- 1. An adequate penetration, optimum expansion bullet for use against targets of soft to medium hardness comprising:
(a) a jacket formed of a malleable metal and having a generally cylindrical sidewall, a nose portion disposed forwardly of said cylindrical sidewall, a closed forward end, and a rear end portion; (b) said nose portion having a nose-defining wall extending between said cylindrical wall and said closed forward end; (c) said nose-defining wall having circumferentially spaced wall-weakening scores formed therein and extending axially of said nose portion; (d) a mainly polymeric core disposed in part at least within said nose-defining wall and against said closed forward end, said mainly polymeric core having a hardness or durometer within a range of Shore A-20 to Rockwell R-122; (e) a mainly metal core seated behind said mainly polymeric core and within said generally cylindrical sidewall in close-fitting relation and extending rearwardly to a position adjacent said rear end portion of said generally cylindrical jacket sidewall; and (f) said nose-defining wall being weakened by said scores sufficiently to cause said nose-defining wall, upon the bullet striking and penetrating a target, to rupture along said scores and thereafter to expand substantially in a radial direction.
- 2. The bullet defined in claim 1, wherein the polymer of said mainly polymeric core is taken from a group of polymers preferably including polypropylene, polystyrene, polycarbonate, fluorocarbons, polyethylene, urethanes, Nylon™, PVC™, ethylene, vinyl acetate, and silicone rubber.
- 3. The bullet defined in claim 1, wherein said metal core is taken from a group of metals which preferably include lead, zinc, tin, tungsten, copper, bismuth, iron, steel, or combinations or alloys thereof, green or sintered powdered metal, or tungsten and polymer mixtures.
- 4. The bullet defined in claim 1, wherein the polymer of said mainly polymeric core is mainly polypropylene.
- 5. The bullet defined in claim 1, wherein said mainly polymeric core is preferably comprised mainly of polyethylene.
- 6. The bullet defined in claim 1, wherein said metal core is preferably comprised mainly of lead.
- 7. The bullet defined in claim 1, wherein said mainly metal core is comprised mainly of tungsten.
- 8. The bullet defined in claim 1, wherein said nose portion of the jacket of the bullet expands in a radial direction, together with said polymeric core.
- 9. An adequate penetration, optimum expansion bullet for use against targets of soft to medium-hardness comprising:
(a) a jacket formed of a malleable metal and having a generally cylindrical side wall, a nose portion disposed forwardly of said cylindrical side wall, a closed forward end, and a rear end portion; (b) said nose portion having a nose-defining wall extending between said cylindrical wall and said closed forward end; (c) said nose-defining wall having circumferentially spaced wall-weakening scores formed therein and extending axially of said nose portion; (d) a polymeric core disposed in part at least within said nose-defining wall and against said closed forward end, said polymeric core having a hardness or durometer within a range of Shore A-20 to Rockwell R-122; (e) a core which is mainly metal by weight seated behind said polymeric core and within said generally cylindrical side wall in close-fitting relation and extending rearwardly to a position adjacent said rear end portion of said generally cylindrical jacket side wall; and (f) said nose-defining wall being weakened by said scores sufficiently to cause said nose-defining wall, upon the bullet striking and penetrating a target, to rupture along said scores and thereafter to expand substantially in a radial direction.
- 10. The bullet defined in claim 9, wherein said mainly polymeric core is taken from a group of polymers which include polyethylene, polypropylene, polystyrene, polycarbonate, fluorocarbon, natural rubber, rubber elastomers, silicone rubber, Nylon™, PVC™, urethanes, and ethylene vinyl acetate, each of which has a hardness within a range of Shore A-20 to Rockwell R-122.
- 11. The bullet defined in claim 9, wherein the polymer of said polymeric core is comprised of polypropylene.
- 12. The bullet defined in claim 9, wherein the polymer of said polymeric core is comprised of silicone rubber.
- 13. The bullet defined in claim 9, wherein said metal core is taken from a group of metals which preferably include lead, zinc, tin, tungsten, copper, bismuth, iron, steel, or combinations or alloys thereof, green or sintered powdered metal, or tungsten and polymer mixtures.
- 14. The bullet defined in claim 9, wherein the metal of said metal core is comprised of lead.
- 15. The bullet defined in claim 9, wherein the metal of said metal core is comprised of tungsten.
- 16. The bullet defined in claim 9, wherein the polymer of said polymeric core is comprised of polyethylene.
- 17. An adequate penetration, optimum expansion bullet for use against targets of soft to medium-hardness comprising:
(a) a jacket formed of a malleable metal and having a generally cylindrical side wall, a nose portion disposed forwardly of said cylindrical wall, a closed forward end, and a rear end portion; (b) said nose portion having a nose-defining wall extending between said cylindrical wall and said closed forward end; (c) said nose-defining wall having circumferentially spaced wall-weakening scores formed therein and extending axially of said nose portion; (d) a mainly polymeric core disposed in part at least within said nose defining wall and against said closed forward end, said polymeric core having a hardness or durometer within a range of Shore A-20 to Rockwell R-122 (e) a mainly metal core seated behind said mainly polymeric core and within said generally cylindrical side wall in close-fitting relation and extending rearwardly to a position adjacent said rear end portion of said generally cylindrical jacket side wall; and (f) said nose-defining wall being weakened by said scores sufficiently to cause said nose-defining wall, upon the bullet striking and penetrating a target, to rupture along said scores and thereafter to expand substantially in a radial direction.
- 18. The bullet defined in claim 17, wherein said mainly polymeric core is comprised mainly of polyethylene.
- 19. The bullet defined in claim 17, wherein said mainly polymeric core is taken from a group of polymers which include polyethylene, natural rubber, rubber elastomers, silicone rubber, Nylon™, PVC™, urethanes and ethylene vinyl acetate.
- 20. The bullet defined in claim 17, wherein said mainly polymeric core includes polyethylene as a polymeric component.
- 21. The bullet defined in claim 17, wherein said mainly polymeric core is comprised of more than one polymer.
- 22. The bullet defined in claim 17, wherein the metal of said metal core is taken from a group of metals which includes lead, zinc, tungsten, copper, iron, steel, tin and alloys thereof.
- 23. The bullet defined in claim 17, wherein the metal of said metal core includes lead.
- 24. The bullet defined in claim 17, wherein the metal of said metal core includes tungsten.
- 25. The bullet defined in claim 17, wherein the metal of said metal core includes zinc.
- 26. The bullet defined in claim 17, wherein the metal of said metal core includes tin.
- 27. The bullet defined in claim 17, wherein said jacket is comprised mainly of copper.
- 28. The bullet defined in claim 17, wherein said metal core is disposed primarily within said cylindrical side wall.
- 29. An adequate penetration, optimum expansion bullet for use against targets of soft to medium-hardness comprising:
(a) a jacket formed of a malleable metal and having a generally cylindrical side wall, a nose portion disposed forwardly of said cylindrical side wall, a closed forward end, and a rear end portion; (b) said nose portion having a nose-defining wall extending between said cylindrical wall and said closed forward end; (c) said nose-defining wall having circumferentially spaced wall-weakening scores formed therein and extending axially of said nose portion; (d) a core disposed forwardly in part at least within said nose-defining wall and being made mainly of a material having a hardness durometer within the range of Shore A-20 to Rockwell R-122 and being deformable under pressure; (e) a mainly metal by weight rear core seated behind said forwardly disposed core and within said generally cylindrical side wall; and (f) said nose-defining wall being weakened by said scores sufficiently to cause said nose-defining wall, upon the bullet striking and penetrating a target, to rupture along said scores and thereafter to expand substantially in radial directions.
- 30. The bullet defined in claim 29, wherein said rear core is comprised of a metal in which at least 50% thereof is tungsten.
- 31. The bullet defined in claim 29, wherein said rear core is comprised mainly by weight of tungsten.
- 32. The bullet defined in claim 29, wherein said rear core is comprised in part at least of a mixture of tungsten and a polymer.
- 33. The bullet defined in claim 29, wherein said rear core is comprised mainly by weight of a metal taken from a group of metals including copper, lead, iron, zinc, tin, steel, tungsten and alloys thereof.
- 34. The bullet defined in claim 29, wherein said rear core is comprised mainly by weight of lead.
CROSS REFERENCE TO RELATED APPLICATIONS
[0001] This application is a Continuation-in-Part of application Ser. No. 09/597,017, filed Jun. 20, 2000 (allowed Jun. 15, 2001), which is a Continuation-in-Part of application Ser. No. 09/256,861, filed Feb. 24, 1999, U.S. Pat. No. 6,178,890, issued Jan. 30, 2001, said applications also entitled “Captive Soft-Point Bullet.”
Continuation in Parts (2)
|
Number |
Date |
Country |
Parent |
09597017 |
Jun 2000 |
US |
Child |
09948198 |
Sep 2001 |
US |
Parent |
09256861 |
Feb 1999 |
US |
Child |
09597017 |
Jun 2000 |
US |