Molded plastic cartridge with extended flash tube, sub-sonic cartridges, and user identification for firearms and site sensing fire control
First Claim
Patent Images
1. An ammunition article comprising:
- a projectile;
a tubular cartridge casing that includes,a base having a flash hole,an injection-molded tubular plastic cartridge casing body having a portion formed around at least a portion of the projectile, the tubular plastic cartridge casing body including an interior wall and an integrally molded elongated flash tube spaced apart from the interior wall, the elongated flash tube having a support web connected to the casing body interior wall such that the elongated flash tube is in coaxial alignment with the interior wall and fits into the flash hole in the base, the casing body having a first end closed only by the projectile and a second end.
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Abstract
Cartridges for firearms are created with extended flash tubes to ignite the propellant efficiently from base of the projectile to the interior rear of the cartridge case. Some firearms include a specially designed trigger and microphone capable of verifying a user'"'"'s identity so that only an authorized user can discharge the firearm. Some firearms include a GPS sensor, World Time RF sensor, and stored updatable list of times, GPS coordinates, distances from the GPS coordinates such that the firearm is disabled for use in these restricted areas.
187 Citations
21 Claims
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1. An ammunition article comprising:
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a projectile; a tubular cartridge casing that includes, a base having a flash hole, an injection-molded tubular plastic cartridge casing body having a portion formed around at least a portion of the projectile, the tubular plastic cartridge casing body including an interior wall and an integrally molded elongated flash tube spaced apart from the interior wall, the elongated flash tube having a support web connected to the casing body interior wall such that the elongated flash tube is in coaxial alignment with the interior wall and fits into the flash hole in the base, the casing body having a first end closed only by the projectile and a second end. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method of making an ammunition article, comprising the steps of:
injection molding plastic around at least a portion of a projectile while a core pull contacts a bottom end of the projectile to form a plastic cartridge casing body having an interior wall and an integrally molded elongated flash tube spaced apart from the interior wall, the integrally molded elongated flash tube having a support web connected to the interior wall and holding the flash tube in coaxial alignment with the interior wall, the plastic cartridge casing body having a first end to which the projectile is attached and a second end. - View Dependent Claims (18, 19, 20, 21)
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14. A method of making an ammunition article, the method comprising the steps of:
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injection molding plastic around at least a portion of a one-piece projectile to form a cartridge casing body with a cartridge case wall and an integrally molded elongated flash tube with at least rib connecting the integrally molded elongated flash tube to the cartridge case wall, the cartridge casing body having; a first end to which the projectile is attached such that the projectile is separable from the cartridge casing body upon application of a bullet pull above a first value and such that the projectile does not require for separation a bullet pull above a second value, and a second end, the cartridge casing body being in the form of an open tube between the first end and the second end, the first end being closed only by the projectile.
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15. A method of making an ammunition article, the method comprising the steps of:
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injection molding plastic around at least a portion of a projectile to form a tubular plastic cartridge casing body including a case interior wall and an elongated flash tube having at least one integral rib connecting the elongated flash tube to the case interior wall, the plastic cartridge casing body having a first end closed only by the projectile and a second end; and providing a base having a flash hole at the second end of the plastic cartridge casing body such that the elongated flash tube is centered relative to the projectile and fits into the flash hole in the base. - View Dependent Claims (16, 17)
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Specification