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Class 102/434 - Telescoping powder charge


Subclass of Class 102 - Ammunition and explosives
Definition: Subject matter wherein the means to propel a projectile
No. of patents: 54
Last issue date: 05/04/2010


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NumberTitleIssue Date
7707940Multiple part munition
The invention relates to a connecting mechanism for a multiple-part munition (1), for example for artillery charges. It is proposed that a multiple-part munition (1) be connected by means of a simple plug connection to at least two casing elements (...
05/04/2010
7353756Lead free reduced ricochet limited penetration projectile
A frangible projectile with a specific gravity similar to a lead projectile. The projectile comprises 34-94%, by weight, binder. The binder comprises poly ether block amide resin. The projectile further comprises 6-66%, by weight, ballast. The ballast comprises at l...
04/08/2008
7225741Reduced energy training cartridge for self-loading firearms
A two piece, two-stage, rechargeable, reusable, reduced-energy mechanically operating cartridge is provided for launching a bullet of various compositions from a dedicated or modified firearm. The cartridge unit is comprised of a primary case, a piston sleeve, a pro...
06/05/2007
7207276Non-lethal ammunition utilizing a dense powder ballast and a two-stage firing sequence
A non-lethal ammunition utilizes dense powder ballast and a two-stage firing sequence for launching non-lethal projectiles of a caliber range from approximately 5.56 mm through approximately 40 mm. The non-lethal ammunition comprises a non-lethal cartridge. The non-...
04/24/2007
7197986Composite steel and ceramic gun barrels
A method for lubricating gun barrel bores comprises burnishing dry lubricating ceramic particulate into the metal surface of the bore such that the particles of particulate substantially fill grain boundaries in the metal. The burnishing of the particulate may be do...
04/03/2007
7194945Projectile firing apparatus
A barrel assembly with a barrel is provided. The barrel comprises a plurality of external chambers containing respective propellant charges, a plurality of projectiles stacked nose to tail within the barrel and comprising respective expansion spaces for propellant g...
03/27/2007
6964232Bullet with spherical nose portion
A bullet includes a frontward facing aperture. Contained within the aperture is a relatively hard bullet frontal element that provides advantageous bullet impact performance. In one embodiment, the frontal element is a steel sphere that provides advantageous penetra...
11/15/2005
6901866Combustible cased telescoped ammunition assembly
An apparatus and method relating to a cased telescoped ammunition assembly configured to be fired from a firing device. Under one aspect of the invention, a cased telescoped ammunition assembly includes a combustible case body and noncombustible end caps connected t...
06/07/2005
6688233System and method for effecting mechanical translation of projectiles in cased telescoped ammunition using smart material
A system and method for improving the process of mechanical translation of projectiles by a spring mechanism that is built of a smart material and that is activated by an electric pulse, to provide a controlled translation of a projectile before firing or...
02/10/2004
6575097Large caliber case telescoped ammunition
13A case telescoped ammunition cartridge includes: a cylindrical cartridge case, a projectile disposed within the casing and a sleeve surrounding a portion of the forward end of the projectile. An obturator is disposed between the aft end of the sleeve an...
06/10/2003
6279447Method for the manufacture of gun ammunition having elongated projectile and a cartridge produced thereby
A method for the manufacture of a gun ammunition cartridge including multi-stage insertion of a projectile into a case a distance beyond the inboard terminal end of the neck of the case without deleterious effect upon the gun powder disposed within the ca...
08/28/2001
6158348Propellant configuration
An ammunition cartridge has a base and a sidewall extending from the base to a mouth. The sidewall bounds an interior of the case. A projectile is secured to the case proximate the mouth and has at least an aft portion within the case interior. A propella...
12/12/2000
5822904Subsuoic ammunition
An ammunition cartridge for producing subsonic flight of a projectile therefrom at substantially all angles of fire relative to the horizontal, including an elongated, generally cylindrical case including a closed end containing a primer therein, a body p...
10/20/1998
5668341Silent mortar propulsion system
A propulsion system to provide silent firing of a mortar weapon using standard and nonstandard mortar tubes or launch assemblies has been invented. The system utilizes a precision rupture disc mechanism to control combustion and energy release to effect c...
09/16/1997
5557059Tubeless cased telescoped ammunition
A tubeless cased telescoped ammunition is disclosed. The ammunition is ignited and a sequenced ignition is achieved. The ammunition includes a sealing coating for delaying ignition of the main propellant. A sealing ring may also be used to sequence and de...
09/17/1996
5467716Telescoped-type munition
A munition includes a casing having a cylindrical envelope blocked at each end by a plug. A projectile and a propelling charge are placed in the casing. The munition also includes structure to ensure the axial hold of the projectile with respect to the en...
11/21/1995
5433148Casing for a telescoped-type munition
A casing includes a cylindrical envelope made of plastic material having a plug of plastic material at each end fitted with a metal reinforcement. The reinforcement is integral with the front plug and includes a ring that has a peripheral cylindrical part...
07/18/1995
5408931Shotgun ammunition
Ammunition is disclosed for firing a shotgun slug from a rifled shotgun having a range of about 300 meters. The shotgun ammunition comprises a cartridge, propellant, a fiber wad, and a slug. The slug includes a nose having a parabolic cross-section, a fru...
04/25/1995
5388522Cartridge case for a cased telescoped ammunition round
A cartridge case for a cased telescoped ammunition round 10. The cartridge case includes a hollow cylindrical casing 12 the axis 15 of which is also the axis of symmetry of round 10. The inner surface of casing 12 has a longitudinal groove 48 formed in it...
02/14/1995
5272982Device for maintaining a projectile relative to the casing of a telescoping ammunition
A telescoped ammunition cartridge, including a cylindrical cartridge casing having one end closed by a base, a full caliber projectile disposed within the casing, wherein the projectile has a cylindrical aft section and a tapered fore-section, at least on...
12/28/1993
5265540Ammunition, in particular of the telescoped type
A telescoped ammunition round including a plastic case having a cylindrical casing, a front end cap and a rear end cap, the front and rear end caps being fitted at front and rear ends of the casing. The round further includes a projectile, a propulsive ch...
11/30/1993
5233928Telescoped ammunition round
The invention relates to a telescoped ammunition round, comprising a case (2) made from plastic material made up of a cylindrical casing (3a, 3b) and two end caps (4a, 4b) disposed at opposite ends of the casing (3a, 3b). The case (2) is advantageously fo...
08/10/1993
5192829Initiation device for the propulsive charge of ammunition, for example telescoped ammunition, and ammunition ignited by such an ignition device
The invention relates to an ignition device for the propulsive charge of a telescoped piece of ammunition, including a case (2) that is generally cylindrical in shape in which are housed a pyrotechnic composition (3) and a device (4) for ignition thereof....
03/09/1993
5173571Projectile guide for telescoped ammunition
A telescoped ammunition round comprises: a propellant charge having an axial cavity for supplying firing power for the ammunition round; a projectile housed within the axial cavity for being fired from a forward end of the ammunition round; a control tube...
12/22/1992
5163165Device for maintaining a projectile relative to the casing of a telescoping amunition
A telescoped ammunition cartridge, including a generally cylindrical cartridge casing closed at its rear section by a base, a full caliber projectile disposed within the cartridge casing, the projectile having an aft section and a tapered fore-section, at...
11/10/1992
5157224Device for holding and guiding a sub-projectile in a cylindrical casing and in a weapon barrel
A device for holding and guiding a sub-projectile in a cylindrical casing and in a weapon barrel, which includes a sabot having a sub-projectile within the sabot, a cylindrical casing within which is disposed a projectile, which comprises the sub-projecti...
10/20/1992
5147978Main propellant ignition liner for cased telescoped ammunition
A cased telescoped ammunition in which a rigid liner fills the gap between the control tube and the metering tube. The liner comprises an energetic material which transfers the ignition stimulus from the control tube propellant to the main propellant. Ene...
09/15/1992
5069137Cased telescoped ammunition round
A cartridge case 64 for a cased telescoped ammunition round 10. Cartridge case 64 includes a casing 12 having inwardly tapering conical end portions 14, 16 and end seals 20, 22 which undergo elastic deformation when round 10 is fired from a gun. A plurali...
12/03/1991
5067407Cased telescoped ammunition round
A cartridge case 68 for a cased telescoped ammunition round 10. Cartridge case 68 includes a spirally wrapped hollow cylindrical casing 12 fabricated from a thin sheet of spring tempered high carbon steel which partially unwinds at the time round 10 is fi...
11/26/1991
5067408Cased telescoped ammunition round
A cartridge case 68 for a cased telescoped ammunition round 10. Cartridge case 68 includes a hollow cylindrical casing 12 fabricated from a material which undergoes elastic deformation when round 10 is fired from a gun, a rear seal 20 and a front seal 22....
11/26/1991
5063852Forward full caliber control tube for a cased telescoped ammunition round
A cased telescoped ammunition round 10 for a fin stabilized penetrator 32. A full caliber control tube 24 is positioned within casing 12, its forward end 28 being secured to front seal 22. The side walls 87 of control tube 24 are tapered, increasing in th...
11/12/1991
5063848Igniter bag
An igniter bag for a cannon cartridge is disclosed which comprises a generally toroidal annular bag of combustible fabric such as cotton or rayon containing an ignition powder. The bag has a plurality of radial seams separating the bag and the powder cont...
11/12/1991
5048422Main propellant ignition liner for cased telescoped ammunition
A cased telescoped ammunition in which a rigid liner fills the gap between the control tube and the metering tube. The liner comprises an energetic material which transfers the ignition stimulus from the control tube propellant to the main propellant. Ene...
09/17/1991
5048423Cartridge case for telescoped ammunition round
A cartridge case for a telescoped ammunition round has a generally tubular case wall and an axially extending elongate score line in said wall to provide pressure relief during firing of the round. The elongate score line has a radial depth less than the ...
09/17/1991
5042388Forward control tube with sequenced ignition
A cased telescoped ammunition with a perforated forward control tube in which the main propellant gas and flame front ignites a propellant surrounding the tube through the perforations. Seals form annular segments of consolidated propellant surrounding th...
08/27/1991
5029530Cartridge case for a cased telescoped ammunition round
A cartridge case 76 for a cased telescoped ammunition round 10. Cartridge case 76 includes a hollow cylindrical outer casing 12 the axis 18 of which is also the axis of symmetry of round 10. The inner surface of outer casing 12 has a longitudinal groove 5...
07/09/1991
4938145Cased telescoped ammunition having features augmenting cartridge case dimensional recovery by case skin tube
A cased telescoped ammunition round includes a propellant charge disposed in a tubular case. The case is composed of a skin tube and end caps on opposite ends of the tube. The case defines a chamber that contains the propellant charge. The charge has an a...
07/03/1990
4930423Liquid propellant weapon system
This invention provides a liquid propellant round of ammunition having a traveling charge which is ignited after both such charge and the projectile have received an initial forward acceleration....
06/05/1990
4907510Cased telescoped ammunition having features augmenting cartridge case dimensional recovery by center sleeve
A cased telescoped ammunition round includes a propellant charge disposed in a tubular case and having an axial bore containing a center sleeve attached at its opposite ends to the opposite ends of the case. A projectile is housed within a forward portion...
03/13/1990
4858533Cased telescoped ammunition round for a fin stabilized projectile
A cased telescoped ammunition round 40 for a fin stabilized penetrator projectile 50. A cylindrical core tube 48 is positioned within the casing 42. Projectile 50 and its sabot 52 are positioned within core tube 48. The space between core tube 48 and casi...
08/22/1989
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