112results 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 barrel cooling system for a weapon includes a corrosion prevention cylinder between a barrel and cooling fins arranged around the cylinder.

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.

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.

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.

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 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 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 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.

A sound and flash suppressor system for a powered machine gun having a multi-barrel array that is mounted for rotation about a longitudinal axis. The suppressor system has a clamp member for releasable mounting to the multi-barrel array and a suppressor member that is threadedly connected with the clamp member by left-handed threads. The suppressor has multiple blast chambers with internal pressure reducing baffles. The blast chambers are completely isolated from one another to ensure that cartridge gas introduced into a particular blast chamber will be processed separately from any of the other blast chambers. Cartridge gas and projectiles being discharged from the array of gun barrels enter the blast chambers and the projectiles move along paths through the suppressor and exit at ports in a forward end panel.

The invention relates to firearms, and more particularly to a caseless bolt-action firearm. A caseless bolt-action firearm comprises a receiver (1) with a support (2), a bolt (63), a firing pin (36), a trigger (28), a magazine latch (27), a safety catch (31), a safety catch bracket (24), a trigger guard (3), an add-on stock (6), a grip (14), a magazine (15) and a barrel (18), wherein in the front part of the receiver (1) there is mounted a weapon chamber (17), and the bolt (63) contains a guide rod (41) for a conical bolt bushing, a triple-layered rifled cartridge (45) and a triple-layered smooth cartridge (44). The invention makes it possible to increase the operating reliability of a caseless bolt-action firearm in difficult conditions, easily eliminate delays, simplify loading and unloading, enable the firearm to operate reliably under combat conditions with forced feed of ammunition, including soiled ammunition, improve the stability of the projectile trajectory and increase firing accuracy both from stable positions and in the case of point shooting.

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.

To provide a barrel assembly capable of obtaining a high firing speed at any distance between a muzzle and a shooting range.SOLUTION: A smoothbore barrel assembly 1 comprises a first segment 3 extending at a downstream of a gun powder chamber, a barrel 4 followed by a segment having a wider diameter and a final choke including a first final part 6 and a second final part 7. In the smoothbore barrel assembly 1, the barrel 1 has a divergence / convergence configuration in which the first segment 3 comprises a divergence part 31 and a convergence part 32, or a single convergence configuration or a single divergence configuration. Advantageously the barrel assembly 1 can be provided in a module type form and comprises three basic components, which are a barrel body, an extension part, an inside choke member and / or an outside choke member.SELECTED DRAWING: Figure 1

The invention relates to a launching device (10) for deploying active agents (12) for protecting an object (O) and / or vehicle from missiles (P), wherein the launching device (10) has a launcher unit (16) for deploying fireable active agents (12), wherein the launcher unit (12) has a plurality of launcher segments (30) arranged adjacent to one another and pivotable relative to one another, wherein the launcher segments (30) each have a receiving space (38) extending along a deployment axis (36) for receiving and firing at least one active agent (12), wherein the launcher unit (16) has an actuator (46) by means of which the launcher segments (30) can be pivoted relative to one another, such that the angle (α) that the deployment axes (36) of adjacent launcher segments (30) enclose with one another can be adjusted. A method for deploying active agents (12) to protect an object (O) and / or vehicle from missiles (P) is specified.

The invention is a cooling block that is added to a semi-automatic rifle to improve the cooling of the barrel. The cooling block is designed to fit into an air-cooling shroud and sit tightly against the gun barrel. The tolerances for the contact surface between the cooling block and the outer gun are critical for optimal cooling, and the block is designed for easy replacement to provide more continuous cooling.

A cooling device for a gun barrel has a muzzle assembly. The muzzle assembly has a shaft, a baffle, a turbine assembly, a compressor assembly, and a rotary drive tube. The rotary drive tube connects the turbine assembly to the compressor assembly. A heat exchanger may be releasably connected to the cooling device. A diffuser or muzzle device may be arranged downstream of the turbine assembly.

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 nonlethal projectile includes a debilitating material for immobilizing a target. The projectile is capable of self-separating or otherwise opening after launch by a launcher to release the debilitating material prior to impact with a target. The launcher is capable of initiating separation of the projectile. Opening may also be accomplished by a control circuit with a radio-frequency identification (RFID), where an RFID tag in the projectile causes the projectile to open at a user-specified distance from the launcher or by the force of launch on the projectile. A magazine may holds a plurality of projectiles and the various projectiles of the magazine may be configured to open at different distances and / or times after launch. The launcher may include a trigger and / or a safety switch to prevent the projectile from becoming armed until a certain parameter is met. The debilitating material may also be released through pores in the projectile.

The present invention relates to a weapon barrel (10) having a convertible guide rail set, wherein the weapon barrel (10) has primary guide rails for a first caliber which are fixedly connected to the weapon barrel (10), and the primary guide rails have at least one lower primary guide rail (11), a starboard primary guide rail (12), and a port primary guide rail (13). The weapon barrel is characterized in that fastening elements (40) are arranged in the weapon barrel (10) adjacent to the lower primary guide rail (11), the starboard primary guide rail (12) and the port primary guide rail (13), wherein: the convertible guide rail set comprises at least one protective set (20); the protective set (20) has six protective elements; the protective elements can be arranged on the fastening elements (40) and in the arranged state completely cover the fastening elements (40); the protective elements are no taller than the primary guide rails and therefore do not influence the first caliber; the convertible guide rail set comprises at least one guide set (30); the guide set (30) can be arranged on the fastening elements (40) and, in the arranged state, the guide set (30) performs the function of the guide rail; the guide set (30) is designed for a second caliber; and the second caliber is smaller than the first caliber.

The invention relates to the technical field of alloy materials, in particular to a Cr-Fe functional alloy material for prolonging the service life of a gun barrel and a preparation method thereof.The alloy comprises, by mass, 74%-78% of Cr, 22%-56% of Fe and 0.5%-1.2% of C. The microstructure is mainly composed of a BCC phase (larger than or equal to 85%), and Cr23C6 strengthening phases (3%-8% and 0.2-3.0 microns) are evenly separated out. During preparation, laser remelting is conducted on a pre-plated hard chromium base body under nitrogen protection, the laser power density is 4.95 * 10 < 4 >-9.20 * 10 < 4 > W / cm < 2 >, the scanning speed is 5-80 mm / s, preheating is conducted to 400 DEG C, and gradient cooling is conducted; the integrated visual system regulates and controls parameters in real time, the depth-to-width ratio of a molten pool is guaranteed to be 1: 1.5-1: 2.5, and the Cr / Fe distribution standard deviation is smaller than or equal to 5%. The interface dislocation density of the alloy is larger than or equal to 1 * 10 < 14 > m <-2 >, the high-temperature abrasion mass loss is smaller than or equal to 0.01 g, the abrasion resistance is three times that of original hard chromium, and the service life of a gun barrel is remarkably prolonged.

A semi-automatic rifle has a main body and a barrel group. The barrel group has a barrel extending along a barrel axis, engaged at one end with the main body, a rib extending along the barrel axis, engaged with the barrel in an upper region, and a guide device for supporting weapon accessories, extending parallel to the barrel axis. The guide device engages the rib in a region proximal to the main body.