151results about "Barrels" patented technology

A suppression device for a rotary machine gun includes a body; and a core configured to fit inside the body, wherein the core includes: a plurality of suppression tubes symmetrically oriented around the core with one each of the plurality of suppression tubes corresponding to one of a plurality of barrels of the rotary machine gun, and a redirector at a distal end of the core and including an angled surface to direct propellant gas emitted through a central channel of the core radially outward.

A suppressor for a multi-barrel weapon system includes an adapter baffle configured to engage the weapon system and receive the muzzles of the barrels, a plurality of extension baffles configured to be aligned with and arranged in a stack on the adapter baffle, and an endcap baffle configured to align with the extension baffles and engage the final extension baffle in the stack. A plurality of projectile apertures in each baffle aligns with the muzzles to define a plurality of parallel bullet paths. Each projectile aperture can be in fluid communication with each other projectile aperture. Each extension baffle can include a plurality of internal vanes configured to circulate propellant gasses emitted from the muzzles of each barrel within an interior space at least partially defined by the extension baffle. The adapter baffle can define an expansion space in which propellant gases emitted from each muzzle comingle during discharge of the weapon system.

A barrel cooling system for a weapon includes a corrosion prevention cylinder between a barrel and cooling fins arranged around the cylinder.

A machine gun comprising a gun housing; a rotor assembly positioned within the gun housing; a barrel cluster including a plurality of barrels extending forward from the rotor assembly; one or more vents providing a path for expulsion away from the rotor assembly of gases emanating from a cartridge chambered in one of the plurality of barrels; and one or more of a rotor lock mechanism, a feed mechanism, a delinking and transfer mechanism, a searing mechanism, a drive system, a self-contained hardware barrel clamp, a threaded adapter barrel clamp, integrated mounts, and / or multiple feed inlet locations.

A suppressor for a multi-barrel weapon system includes an aft end configured to receive a muzzle of each barrel of the plurality of barrels, a forward end defining a plurality of projectile apertures configured to align with the plurality of barrels when the muzzle of each barrel is received in the aft end, and a sidewall extending from the aft end to the forward end, the sidewall at least partially defining a single continuous interior chamber in which propellant gases emitted from the muzzle of each barrel comingle and circulate. The suppressor can include a plurality of baffles. A plurality of projectile apertures in each baffle can align with the muzzles to define a plurality of parallel bullet paths. Each projectile aperture is in fluid communication with each other projectile aperture.

A method of manufacturing a firearm component comprising providing a body has an exterior surface, applying a first coating layer to the exterior surface, after coating the exterior surface affixing a granular aggregate to the exterior surface; and after affixing the aggregate, applying an additional coating layer. The method may include wrapping a mesh about the body.

Various embodiments are directed to a barrel for a firearm. In various embodiments, a barrel comprises an inner surface defining a bore configured to guide a projectile as the projectile is propelled through the bore by pressurized gas; and a barrel gas port having a gas port depth extending between a port entrance defined by the inner surface of the barrel and a port exit, wherein the barrel gas port is configured to fluidically communicate with the bore and an action of the firearm; wherein the port entrance defines a length dimension defined parallel to a longitudinal axis of the barrel and a width dimension defined perpendicular to the length dimension; and wherein the length dimension of the port entrance is greater than the width dimension of the port entrance. Various embodiments are directed to a firearm comprising the exemplary barrel.

A gun has parts that slide past one another during operation. A coating is formed on at least a surface of a first part that contacts a second part. At least an upper layer of the coating is porous and comprises a thermoset polymer and a filler. One or both parts may be part of a gas-operated reloading mechanism. The coating prevents jamming by excluding particles, yielding to particles that still manage to intrude, and by providing a reservoir for lubricant. The coating reduces clearances, improves accuracy, and reduces operating temperatures. The coating excludes particles from the lubricant, effectively allowing a large volume of lubricant to be used without the drawback of trapping dirt and other contaminants in the lubricant.

An assembly for use as a net-launching projectile is disclosed. The assembly comprises a housing storing a net in a packed configuration and configured such that a rotation of the assembly causes the net to be ejected from the housing, thereby unpacking the net into an expanded configuration. The assembly also comprises a plurality of circumferentially disposed protrusions or ridges for engaging with corresponding rifling in a barrel to induce the rotation of the assembly when launched. Also disclosed is a net-launching system and a method of capturing an aerial target.

An ejection assembly for ejecting an ejection body comprises an ejection channel and an anti-recoil channel; a barrier structure having a first interface boundary and a second interface boundary, including a barrier portion between the first interface boundary and the second interface boundaries; an attachment mechanism for fastening the barrier structure between the ejection channel and the anti-recoil channel; an ejection activation mechanism housed within the barrier structure adjacent the first interface boundary, to initiate ignition of ejection propulsion material contained in an ejection capsule placed adjacent the first interface boundary; and an anti-recoil activation mechanism housed within the barrier structure adjacent the second interface boundary, to initiate the ignition of anti-recoil propulsion material contained in an ejection capsule placed adjacent the second interface boundary.

A gun barrel can include a cylindrical layer defining an internal bore; and a geopolymer layer on the cylindrical layer; and a continuous fiber reinforced composite on the geopolymer layer. Advantageously, the geopolymer layer can include a thermally conductive material dispersed in a geopolymer matrix. Such a multilayered gun barrel can improve the heat transfer characteristics of the gun barrel relative to a gun barrel without such a geopolymer layer. The geopolymer layer additionally can include a density-reducing material dispersed through the geopolymer matrix to further improve heat transfer and / or weight of the gun barrel relative to a gun barrel composed entirely of metal.

The traditional artillery is not long, the root reason is that the utilization rate of a gun barrel is too low, when a shell moves to a muzzle, the bore pressure is attenuated to be very small and is more than 52 times of the diameter, and the effect of lengthening the gun barrel is not good. The problem is effectively solved. The key point is that the gas storage chamber is additionally arranged between the powder chamber and the breech, the volume of the gas storage chamber is equal to or larger than that of the gun barrel, the utilization rate of the gun barrel can reach 80% from above, and the range is increased by several times to dozens of times. According to the first embodiment, the volume of a gas storage chamber is 0.5703.3 m, the volume of a 1.5-time gun barrel is 0.3802.3 m, the length of the gun barrel is 20.15 m, the utilization rate of the gun barrel is 80%, the maximum chamber pressure is 273 MPa, 52 kg of guided projectiles are launched, the maximum overload is 10,000, the minimum overload is 6 thousand G, the average overload is 8 thousand G, and according to V2 = 2 as, the muzzle speed V = 1778 m / s, and the firing range reaches 130 km and is far beyond 20 km of a PLz-05 artillery. 150 to 190 kilograms of propellant powder is needed.

A 25 mm ammunition cartridge centered about a longitudinal axis and extending from a proximal end to a distal end including a case having a base defining the proximal end and a case sidewall extending from the base to a distal mouth and defining a case cavity, a propellant charge disposed in at least a portion of the case cavity, a body having a proximal cup and a body sidewall extending to a distal interface, wherein at least a proximal portion of the body is receivable in the case cavity distal to the propellant charge, a cap extending from a proximal cap portion coupled to the distal interface of the body to a dome defining the distal end of the cartridge, wherein the body and the cap define a projectile cavity, and one or more projectiles positioned within the projectile cavity.

A suppression device for a rotary machine gun includes a body; and a core configured to fit inside the body, wherein the core includes: a plurality of suppression tubes symmetrically oriented around the core with one each of the plurality of suppression tubes corresponding to one of a plurality of barrels of the rotary machine gun, and a redirector at a distal end of the core and including an angled surface to direct propellant gas emitted through a central channel of the core radially outward.

To adjust a hop-up with a small number of components.SOLUTION: For adjusting a hop-up with a small number of components, a toy gun comprises an inner barrel through which a fired bullet passes, a hop generation part having a projection part in contact with the bullet in the inner barrel to rotate the bullet and a hop-up adjustment part which can energize the hop generation part at a proximity position of the projection part and can adjust a friction force applied to the bullet by the projection part by changing an energization region in the hop generation part.SELECTED DRAWING: Figure 1

The present invention relates to a method for producing barrel segments (1), wherein the method comprises the steps of i.) a capsule structure (10) is arranged enclosing a template core (20), ii.) powder is arranged in the cavity between the capsule structure (10) and the template core (20), wherein the template core (20) is fully or partially arranged with grooves for embossing groove patterns on the barrel segment (1) and wherein a foil (23) is arranged on the template core (20), (iii) the powder is pressed by means of high pressure and heat, also known as hot isostatic pressing, HIP, so that the powder, foil and capsule structure are joined together iv.) the template core (20) is removed to produce a barrel segment (1). The invention further relates to a barrel and a launching device.

A representative reverse-saboted sidearm system includes: a sidearm having a barrel assembly with an inner wall defining a longitudinally extending bore; and a round of reverse-saboted ammunition having a non-necked casing, a reverse sabot, and a projectile, the reverse sabot mounted at a discharge end of the casing with a distal end of the reverse sabot extending outwardly from the casing, the reverse sabot exhibiting a diameter corresponding to a diameter of the casing and defining a receiving passage aligned with a longitudinal centerline of the casing, the projectile being at least partially disposed within the receiving passage of the reverse sabot; the inner wall of the barrel assembly being configured to engage an exterior surface of the projectile to direct the projectile.

An unmanned aerial vehicle (UAV) launch tube (100) that comprises at least one inner layer of prepreg substrate (370) disposed about a right parallelepiped aperture (305), at least one outer layer of prepreg substrate (380) disposed about the right parallelepiped aperture (305), and one or more structural panels (341-344) disposed between the at least one inner layer of prepreg substrate (340) and the at least one outer layer of prepreg substrate (380). An unmanned aerial vehicle (UAV) launch tube (100) that comprises a tethered sabot (700,740) configured to engage a UAV within a launcher volume defined by an inner wall, the tethered sabot (700,740) dimensioned to provide a pressure seal at the inner wall and tethered to the inner wall, and wherein the tethered sabot (700,740) is hollow having an open end oriented toward a high pressure volume and a tether (740) attached within a hollow (910) of the sabot (700) and attached to the inner wall retaining the high pressure volume or attach to the inner base wall (1013). A system comprising a communication node (1500-1505) and a launcher (1520) comprising an unmanned aerial vehicle (UAV) in a pre-launch state configured to receive and respond to command inputs from the communication node (1500-1505).

A sub-mass projectile for a standard, unmodified firearm, comprising a core formed from a malleable core material with at least a portion of the core material being a non-metal material. The core has a lower mass than a standard projectile for the standard, unmodified firearm. The core material has a mass and malleability that generates forces between the sub-mass projectile and the firearm that approximate operational forces of a standard mass projectile on the standard, unmodified firearm during operation.

A firearm barrel has an elongated body defining a bore and defining a bore axis, the body defining a breech end and an opposed muzzle end, a chamber defined in the breech end and contiguous with the bore; the bore having an interior surface having a plurality of alternating lands and grooves, the grooves being surfaces separated from the bore axis by first radius, the lands being surfaces separated from the bore axis by second radius less than the first radius and the lands and grooves being straight elements parallel to the bore axis, such that no spin is imparted to a projectile propelled down the bore. The lands and grooves may extend from the chamber to the muzzle end. The bore may have a constant cross-sectional profile along its length.

A firearm barrel for a lever action firearm. The firearm barrel has an inner barrel, and outer barrel, and a muzzle keeper. The firearm barrel may also include a gas bushing.

A firearm barrel and a method for manufacturing the same are disclosed. In some embodiments, a barrel for a firearm may be provided. The barrel may comprise a chamber, an entire geometry of which is formed to a final depth. After providing the barrel with the entire geometry of the chamber being formed to the final depth, a material modification process that modifies one or more properties of the barrel may be performed. After performing the material modification process, a composite matrix wrapping that surrounds an outer circumference of the barrel over a length of the barrel may be applied.

A bull barrel assembly for an airgun includes a metal barrel received in a composite barrel sleeve. Two tensioners are threaded on the respective opposite threaded ends of the barrel against the respective opposite ends of the sleeve such that the sleeve is compressed and the barrel is tensioned. The compressed sleeve is rigidly secured to the tensioned barrel by an adhesive. The barrel assembly is formed by coating a surface of a metal barrel with an adhesive, assembling the adhesive-coated barrel into a composite barrel sleeve before the adhesive sets, tightening the tensioners onto the respective opposite threaded ends of the barrel and against the respective ends of the sleeve to place the barrel in tension and the sleeve in compression before the adhesive sets, and allowing the adhesive to cure while the sleeve is in compression and the barrel is in tension.

A component of a firearm, such as a shotgun or rifle, comprises a first barrel 301 and a top rib 305. The first barrel 301 has one or more first interlocking features. The top rib 305 has one or more

A firearm barrel is provided having a body defining an outer surface and a bore. The bore may define a rifling profile along at least a portion of a length of the barrel. The rifling profile may define a cross-sectional profile perpendicular to the length of the barrel at a location along the length of the barrel. The cross-sectional profile may include a plurality of arcuate portions and a plurality of linear portions. The cross-sectional profile may define a cross-sectional area defined by a Sporting Arms and Ammunition Manufacturers' Institute (SAAMI) standard rifling profile. Various embodiments may include firearms, assemblies, components, and methods associated with such firearms and firearm barrels.

A rotating bolt firearm may be configured to fire a .308 cartridge. However, the firearm may have a reduced weight in comparison to standard .308 rifles. The firearm may have many components typically used in a .223 rifle. The firearm may include a barrel extension with an extractor gap, which allows a .308 bolt to fit within a .223 sized barrel extension. The firearm may comprise an elongated magazine well in comparison to a .223 mil-spec rifle. The firearm may weigh less than 6.8 pounds with a 16-inch barrel, or less than 6.3 pounds with a 10.5 inch barrel.

A device (10) for launching decoys, in particular for a naval vessel, characterised in that it comprises: - at least two tubes (12) for launching decoys; - a single pneumatic circuit (14); and - a distribution block (16) interposed between the pneumatic circuit (14) and the launch tubes (12), the distribution block (16) comprising, for each launch tube (12), a valve (18) that can move between an open position, in which the corresponding launch tube (12) communicates with the pneumatic circuit (14), and a closed position, in which the corresponding launch tube (12) is isolated from the pneumatic circuit (14).

The application discloses a continuous firing multi-restraint bullet structure, relates to the technical field of law enforcement equipment, and comprises a main shell, restraint bullet bodies, primers and a conductive assembly which are installed in the main shell, the rear end of the main shell can be installed on a riot device main body, the front end of the main shell is provided with a plurality of firing channels, the restraint bullet bodies correspond to the firing channels one by one, each firing channel is provided with one restraint bullet body, the primers correspond to the restraint bullet bodies one by one, the rear end of each restraint bullet body is provided with one primer, and the primer is provided with an electric arc triggering point; the minimum distance from the electric arc triggering point on the primer to the conductive assembly is the firing distance of the primer, the firing distances of any two primers are different, and when the conductive assembly is electrified, the primers can be fired in turn according to the firing distances from small to large. The application further discloses a riot device which comprises a riot device main body and the above-mentioned continuous firing multi-restraint bullet structure. The application can realize continuous firing of multiple restraint bullets and improve the riot control effect.

A barrel cooling system for a weapon includes a corrosion prevention cylinder between a barrel and cooling fins arranged around the cylinder.

The firearm (1) according to the invention with a cartridge (3) has a barrel (2) with an inner surface (8), a barrel length (L), measured from a firing chamber (4) to a muzzle, and a barrel axis, wherein the cartridge (3) has a single, sabot-free projectile (5) with a circumferential surface (9). Between the circumferential surface (9) of the projectile (5) and the inner surface (8) of the barrel (2) there is along at least 90% of the barrel length (L) and over at least 90% of the circumference of the projectile (5) a gap (10), which is continuously open in the direction of the barrel axis.