Matches 1 - 50 out of 129 1 2 3 >


Match Document Document Title
8020333 Cylinder with polycrystalline diamond interior  
A rigid composite structure includes a tubular body made from a metallic material and having a first bore formed therein along a longitudinal axis, and one or more segments formed from a super hard...
7987624 Flashless electric firearm and ammunition therefor  
A substantially noiseless firearm and ammunition therefor, in which the projectile of the ammunition is attached to the front end of a sabot which fills the cross-sectional area of the barrel and...
7921590 Composite firearm barrel reinforcement  
A chamber reinforcement for composite firearm barrel and method for forming the same. In one embodiment, the barrel includes an inner tube defining a bore that provides a bullet path and an outer...
7913607 IM-lock for weapons having preloaded projectiles  
A weapon having a barrel or launch tube and a projectile preloaded therein. An element prevents accidental firing of the projectile if the weapon becomes overheated.
7866079 Modular barrel assembly  
A modular barrel assembly for firearms that includes a breech section formed from a high-strength material and a barrel section. the barrel section generally is formed separately from the breech...
7775200 Barrel system for a paintball marker  
A barrel system for a paintball marker including a breach removably connected to the paintball marker and a composite front detachably connected to the breach. The composite front of the barrel...
7743965 Process to deposit a protective coating on the inner wall of a tube, and notably a gun barrel produced according to this process  
A method for setting a protective coating on the inner wall of a tube includes providing a cylindrical sleeve, then setting on the outer surface of the sleeve a layer of a thermo fusible material,...
7503249 Barrels for electromagnetic guns  
A gun barrel for firing a projectile and particularly a rail gun barrel that comprises a pair of spaced apart rails and a pair of spaced apart insulators, which separate the rails, and together...
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...
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...
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...
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...
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...
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...
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...
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...
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.
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...
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,...
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.
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...
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...
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...
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...
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...
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...
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.
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 ...
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...
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...
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....
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...
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...
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...
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...
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...
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...
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...
5581928 Gun barrel having an erosion-reducing lining  
A gun barrel has an erosion-reducing, electrically non-conductive lining extending along a length portion of the gun barrel. The lining is made of a polyimide.
5546844 Hybrid propellant/electrothermal gun  
A gun barrel for a hybrid propellant/electrothermal gun has a first barrel portion; a second barrel portion axially separated from the first barrel portion; and an insulator unit forming a third...
5475940 Firearm with gas-escape port  
A firearm. The rear end of the barrel is directly adjacent to the frontmost point traveled by a slide. The slide travels back and forth inside the weapon's housing. The outside of the barrel is...
5454289 Lightweight high L' electromagnetic launcher  
Methods and apparatus related to design and construction of lightweight and mobile railgun barrels having high L' (inductance per unit length). The barrels comprise stacked metallic annular...
H001365 Hybrid gun barrel  
A new hybrid gun barrel can be successfully used with modern hotter propellants without unacceptable erosion of the breech section of the gun barrel and while retaining the accuracy and ballistic...
5348598 Method of manufacturing a gun barrel provided with a lining  
A gun barrel lining made of composite material having refractory fiber reinforcement and a ceramic matrix, the fiber reinforcement comprises a cylindrical inner portion constituted by a...
5341719 Multi-layer composite gun barrel  
A multi-layer composite gun barrel has an integral metal alloy jacket portion, forming the exterior cylinder of the entire barrel, with a forebarrel interior liner cylinder substantially bonded...
5285592 Motor case with composite overwrap and method  
A motor case, including an aluminum barrel and a composite overwrap wound around the barrel to form a composite layer, which protects the operator against case failure during motor firing due to...
5214234 Composite reinforced gun barrels  
A composite reinforced gun barrel with a composite of a titanium, nickel, FeCrAlY alloy matrix reinforced with round filaments or rectangular ribbons made of molybdenum or tungsten. The composite...
5212328 Nonmetallic gun barrel  
The invention is a nonmetallic gun barrel having a a longitudinally rigid tubular exterior capable of radial elastic deformation upon passage of a projectile therethrough. Liner segments fixed at...
5191165 Ordnance barrels  
The disclosure relates to a method of producing rifled, non-metallic barrels of composite material in the form of a fiber-reinforced thermosetting matrix for rocket and grenade launcher ordnance,...
5160802 Prestressed composite gun tube  
A composite gun tube having a liner prestressed in compression by a surroing cylinder formed of an appropriate Nitinol alloy. A first alternative construction utilizes Nitinol in filamentary form...
Matches 1 - 50 out of 129 1 2 3 >