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| Number | Title | Issue Date |
| 7337774 | Projectile firing device using liquified gas propellant Rifle (1) comprises barrel (2) and loading means (15) for introducing a projectile from magazine (7) into breech (4). The projectile is propelled by a compressed gas propellant initially stored as a liquid in canister (10). ... | 03/04/2008 |
| 7334364 | Process for imprinting a composite ventilated rib A method of forming a composite rib for the barrel of a firearm is provided. The method generally includes aligning composite material and a release layer and directing the combination of materials through a die. The release layer is removed from the intermediate ri... | 02/26/2008 |
| 7316093 | Firearm and munitions kit The firearm and munitions kit is a cartridge and a barrel insert for a firearm adapted to fire munitions comprising a 223 round. The cartridge has an axis, a neck, a shoulder, a body, an extraction groove, and a slight frustoconical shape extending axially from the ... | 01/08/2008 |
| 7226090 | Rod and tubing joint of multiple orientations containing electrical wiring A rod and tubing connection for coupling two or more joints of tubing sections comprises a plug and a socket. The plug has a plurality of splines and the socket has a plurality of receptacles adapted to receive the plurality of splines. The plurality of splines comp... | 06/05/2007 |
| 7182014 | Gun barrel for launching projectiles A gun barrel that can be used to fire projectiles. The gun barrel may be used in satellite-launching operations, in artillery operations, or in fire-fighting operations. The gun barrel has an outer support layer, an inner support layer lining the bore of the gun bar... | 02/27/2007 |
| 7171886 | Pipe mortar To seal a pipe mortar, a sealing element (3, 6) is inserted between the pipe (1) and the base (2), with the element elastically balancing out the axial relative movements between the pipe (1) and the base (2). The sealing element (... | 02/06/2007 |
| 7152357 | Composite firearm barrel assemblies A firearm barrel includes an elongate metal insert member and a rigid sleeve surrounding the insert member along a majority of the length of the insert member. A casing is formed around at least a portion of the sleeve, preferably by injection molding. Breech and mu... | 12/26/2006 |
| 7076904 | Detachable gun barrel assembly A detachable gun barrel assembly having an adapter for threaded engagement with the receiver and a barrel dimensioned for affixation to the adapter. The adapter has a mating end section which threadedly engages the receiver V-threads and a receiving end section havi... | 07/18/2006 |
| 7059078 | Process for imprinting a composite ventilated rib A method of forming a composite rib for the barrel of a firearm is provided. The method generally includes aligning composite material and a release layer and directing the combination of materials through a die. The release layer is removed from the intermediate ri... | 06/13/2006 |
| 6889464 | Composite structural member To make a composite gun barrel, an inner barrel of a hard refractory material is formed and a composite jacket formed over it to increase the stiffness and strength while not adding excessive weight. The tows in the external jacket are varied in pitch along the barr... | 05/10/2005 |
| 6810615 | Method for gun barrel manufacture using tailored autofrettage mandrels A method of manufacturing a monobloc gun barrel by calculating an optimal residual stress profile and then applying tailored autofrettage mandrels which are mechanically pressed down the bore of a large caliber barrel, the mandrel size optimized to create a residual... | 11/02/2004 |
| 6789454 | Gun barrel for launching large projectiles This invention discloses a gun barrel that can be used to fire large projectiles beyond the lower atmosphere, and in particular, that can be used to assist with the launching of satellites into orbit. The gun barrel has an outer support layer, an inner support layer... | 09/14/2004 |
| 6758004 | Firearm barrel manufacturing methods and barrel assemblies A firearm barrel includes an elongate metal insert member and a rigid sleeve surrounding the insert member along a majority of the length of the insert member. A casing is formed around at least a portion of the sleeve, preferably by injection molding. Breech and mu... | 07/06/2004 |
| 6701656 | Weapon barrel having a hard chromium inner layer A weapon barrel includes a hard chromium layer provided on an inner barrel surface. The hard chromium layer contains at least 500 fissures/cm in a cross-sectional plane.... | 03/09/2004 |
| 6637309 | Launch tube and a method for making a launch tube A launch tube made using fiberglass reinforced polymer (FRP) includes a FRP tube having an inside wall, where the inside wall has a groove near a lower end of the tube. A bottom made of FRP is molded for engagement with the tube at the groove. After formi... | 10/28/2003 |
| 6615702 | Gun barrel A gun barrel for a gun has an elongated tube with an axial bore extending completely through the tube from the breech end to the muzzle end. The tube and the contact surface in the axial bore, which contains propellant gasses behind the projectile and eng... | 09/09/2003 |
| 6564689 | Blank for gun barrel, method for producing said gun barrel and gun barrel Blank for a gun barrel, consisting of a steel bar, which bar, in one or more hot working steps, has been repeatedly wrung about its own longitudinal axis.... | 05/20/2003 |
| 6543173 | Firearm assembly A firearm assembly including a fluid deflector adapted to be connected to a discharge end of a barrel of a firearm, the fluid deflector including a first passage for flow therethrough of a fluid and a second passage in fluid communication with and angled ... | 04/08/2003 |
| 6511710 | Method of internally coating a weapon barrel by a plasma flame A method of coating an inner surface of a weapon barrel includes the following steps: introducing a plasma burner into the weapon barrel; producing a plasma flame by the plasma burner; directing the plasma flame against the inner barrel surface to cause i... | 01/28/2003 |
| 6497065 | Firearm barrel having protective sleeve A firearm barrel has components made of different materials. The barrel includes an elongate metal insert member. A rigid sleeve surrounds the insert member along a majority of the length of the insert member. A casing is located around at least a portion... | 12/24/2002 |
| 6482248 | Aluminum composite for gun barrels An aluminum/diamond composite for the manufacture of metal structures having high yield strength, high stiffness, high thermal conductivity, and low coefficient of thermal expansion. The composite consists of aluminum metal with included diamond particles... | 11/19/2002 |
| 6467213 | Method of providing a weapon barrel with an internal hard chromium layer A method of providing an inner surface of a weapon barrel with a hard chromium layer includes the steps of forming the hard chromium layer on the inner surface by galvanic separation; and thereafter heating the hard chromium layer beyond the re-crystalliz... | 10/22/2002 |
| 6457274 | Composite tube for gun barrel A composite tube for a gun barrel consists of: an inner tubular metal liner defining a longitudinal bore axis; a resin matrix material surrounding the liner, the resin matrix material containing a plurality of elongate carbon fibers, the carbon fibers bei... | 10/01/2002 |
| 6293178 | Pyrotechnic launch tube A pyrotechnic launch tube made using fiberglass reinforced polymer (FRP) includes a cylindrical FRP tube having an inside wall, where the inside wall has a circumferential groove near a lower end of the tube. A bottom member made of FRP is molded for enga... | 09/25/2001 |
| 6230429 | Composite tube for gun barrel A composite tube for a gun barrel consists of: an inner tubular metal liner defining a longitudinal bore axis; a resin matrix material surrounding the liner, the resin matrix material containing a plurality of elongate carbon fibers, the carbon fibers bei... | 05/15/2001 |
| 6189431 | Small caliber gun barrel A composite barrel for a firearm comprising a substantially metallic liner and fiber reinforced resin, in which the fiber reinforced resin is under compression.... | 02/20/2001 |
| 6158158 | Method of frictionally bonding a liner to an outer tube of a weapon barrel A method of frictionally bonding a liner to a length portion of an outer tube of a weapon barrel includes the following steps: Cooling the liner to a temperature of less than -50° C.; heating the length portion of the outer tube to a temperature such tha... | 12/12/2000 |
| 6142057 | Tubular weapon A tubular weapon with a weapon tube (1) guided inside a cradle tube (2) which is mounted stationary in axial direction. In order to provide such a tubular weapon with a cooling system (12) between the weapon tube and the cradle tube (1, 2) and to avoid th... | 11/07/2000 |
| 6079310 | Portable launcher A launcher is disclosed having means for directing and concentrically spreading, as well as dispersing, exhaust gases created by an internal combustion of an object, such as a missile, that is operatively launchable therefrom. The concentric duct provides... | 06/27/2000 |
| 5928799 | High temperature, high pressure, erosion and corrosion resistant composite structure The present invention is a metallic composite which is resistant to erosion and corrosion at the high temperatures and pressures which are encountered in gun tubes, including projectile launchers. This composite comprises a ductile layer of rhenium or a r... | 07/27/1999 |
| 5915937 | Primarily independent composite/metallic gun barrel A substantially nonbonded composite/metallic gun barrel is disclosed. The gun barrel has a metallic liner and a composite casing disposed thereabout. Unlike composite/metallic gun barrels of the prior art, the embodiments of the present invention provide ... | 06/29/1999 |
| 5856631 | Gun barrel A gun barrel for a gun has an elongated tube with an axial bore extending completely through the tube from the breech end to the muzzle end. The tube and the contact surface in the axial bore, which contains propellant gasses behind the projectile and eng... | 01/05/1999 |
| 5837921 | Gun barrel with integral midwall cooling A composite gun barrel 10 with active cooling having a breech end and a dharge end. The barrel includes an outer jacket 11 having radially inwardly projecting ports 15 proximate the breech end 25 extending inwardly from the outer diameter of the jacket, ... | 11/17/1998 |
| 5804756 | Composite/metallic gun barrel having matched coefficients of thermal expansion A composite/metallic gun barrel is disclosed having a metallic liner and alternating first and second groups of fibers wrapped about the liner, the first groups being disposed in a first orientation generally perpendicular to the long axis of the liner, a... | 09/08/1998 |
| 5753848 | Semi-automatic pistol barrel with precision adjustment means and method of precision-adjusting semi-automatic pistols In a barrel of a semi-automatic pistol, the barrel having fore and aft barrel locking grooves for locking into corresponding fore and aft slide assembly wall segments formed in a slide mounted on a receiver of the pistol when the barrel is in its lock-up ... | 05/19/1998 |
| 5692334 | Primarily independent composite/metallic gun barrel A substantially nonbonded composite/metallic gun barrel is disclosed. The gun barrel has a metallic liner and a composite casing disposed thereabout. Unlike composite/metallic gun barrels of the prior art, the embodiments of the present invention provide ... | 12/02/1997 |
| 5657568 | Composite/metallic gun barrel having a differing, restrictive coefficient of thermal expansion A composite/metallic gun barrel is disclosed having a metallic liner and alternating first and second groups of fibers wrapped about the liner, the first groups being disposed in a first orientation generally perpendicular to the long axis of the liner, a... | 08/19/1997 |
| 5650586 | Anti buckle fitting An anti-buckle fitting for a large caliber gun barrel, the fitting being constituted by an envelope that surrounds the barrel at a distance therefrom and of a length that is substantially equal to the outside portion of the barrel, the fitting comprising ... | 07/22/1997 |
| 5600912 | Composite tube for a gun barrel A composite tube for a gun barrel and a method for making the tube are disclosed. The tube includes a plurality of elongate carbon fibers and a resin material surrounding a longitudinal bore axis. The elongate carbon fibers are aligned parallel with the l... | 02/11/1997 |
| 5590485 | Rib for firearm and method of making a barrel with rib The invention provides a rib for a firearm, especially a shotgun, made of a material with poor heat conductivity, for example glass-fiber-reinforced plastic, and, in a method for manufacturing a barrel provided with such a rib, is either manufactured sepa... | 01/07/1997 |
