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Remote control electric shock device and its unitary round Set of invention relates to remote control electric shock device and its unitary round. Unitary round consists of probe and pan. This device has metal barrel. Probe accelerates in said barrel and extracts unitary round pan. Said pan has obturating band and set of bores (cut-outs). Obturating band separates independent gas channel of the barrel. |
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Non-lethal round for tubeless gun Proposed round comprises rubber bullet reinforced with metal, seal, stepped case and gas generator. Bullet is fitted in cartridge case. Gas generator is fitted in cartridge case. Gas generator comprises powder projectile charge. The latter abuts on axial electric primer sleeve. Bullet is made of composite rubber with iron powder dispersed therein at weight ratio of 1:2.5. Bullet is secured at self-contained plastic seal. The latter is arranged at cartridge case ledge. |
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Remote electric shock device exploiting twin rounds built around fixed round Set of invention relates to remote electric shock device using twin round built around fixed round displace by dielectric lock in metal barrel. Fixed round consists of prod and pan. Said pan is made of dielectric material. Its accommodated primer metal cap filled with pyro composition. Pan cap inner chamber communicates with prod inner chamber via gas channel. Fired round pan is extracted by pushing it via barrel by the lock dielectric rod. Pan is extracted with time delay. |
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Launcher round comprises warhead with head fuse, tail, propellant powder charge and central ignition cap. Tail is equipped with circular row of ledges to fit the barrel helical rifles. Propellant powder charge is arranged in the round bottom combustion chamber commensurable with the barrel prechamber. Charge abuts on central ignition cap. The latter is secured at end diaphragm furnished with outlet holes. Powder charge chamber is communicated via axial throttling chamber and igniter with jet engine fuel grain combustion chamber. Tail is provided with inclined nozzles, their axes being additionally turned to comply with barrel helical rifles lead angle. |
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Pistol cartridge comprises encapsulated cartridge case with powder charge and bullet fitted therein. Sid bullet is made of material composed by filler and polymer binder. Blast concentrators are equally spaced radially in circle inside the bullet. Blast concentrators are composed by cut-outs extending from bullet lengthwise axis toward bullet outer surface. |
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Signal cartridge includes case and grenade, which are connected by a link destroyed during firing. The grenade includes a shell, plastic fairing, and several pyrotechnical blocks with channels, installed in the grenade cavity in series. The shell is made in the form of cup with guide girdle and propelling gunpowder charge and pyrotechnical delay element placed at the shell bottom. Delay element is designed for required delay time of propeller charge actuation after firing. Plastic fairing is connected to the case by a link destroyed during propeller charge actuation. The case is made of plastic with external diametric recess moulded at the open end. The fairing is moulded together with thin-wall extension by which it is mounted on the external diametric case recess and attached to it. Mechanical sound wave generator is mounted inside the fairing and its extension. Generator is powered by kinetic energy of gas jet produced either by oncoming air flow or by gunpowder gas from combustion of gunpowder charge contained in the generator. |
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Artillery round to grenade machine gun Artillery round to a grenade machine gun includes an armament section and a combustion chamber fixed on its shank. The armament section housing is equipped with a leading belt. The combustion chamber is filled with a propellant powder charge. The charge is supported from an outlet diaphragm with a central igniter capsule. Nozzle openings of the diaphragm are covered with petal-type dampers. Dampers are formed with radial riffles. The propellant powder charge is loaded with a spring gasket. Petal-type dampers of nozzle openings are made in a common bowl-shaped membrane with a socket. Layers of igniter and functional powders of the propellant charge are in-series located in the membrane. The spring gasket is mounted with a gap under the combustion chamber cover plate. |
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Invention refers to ammunition, and namely to cartridges for underbarrel grenade guns. A cartridge includes a grenade and a two-chamber case with propellant charge. Grenade is attached to the two-chamber case through a destructible connection. The two-chamber case includes a high-pressure chamber, a low-pressure chamber, a metal mesh and an augmented plug. Flow ports of the high-pressure chamber are made in the chamber wall. The metal mesh is in-series fixed between flow ports of the high-pressure chamber and propellant charge. Cells of the metal mesh are a bit smaller than minimum size of powder elements of propellant charge. The case is equipped with an additional chamber. The additional chamber cavity is connected to the high-pressure chamber cavity through flow ports of the high-pressure chamber. The additional chamber cavity is also connected to the low-pressure chamber cavity through flow ports of the low-pressure chamber. Flow ports of the low-pressure chamber are made in the chamber wall. Flow ports of the low-pressure chamber have flow surface area that is a bit larger than that of flow ports of the high-pressure chamber. Flow ports of the low-pressure chamber and flow ports of the high-pressure chamber are offset relative to each other. Grenade is installed with its bottom into the case so that it is borne against its additional chamber. |
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Invention refers to military equipment, and namely to cases for cartridges of non-flying action. Case includes a short housing and a high-pressure chamber. In the short housing of the case, in the place of installation into it of a shell, there arranged is a thin-wall cylindrical extension piece corresponding to length of the shell. |
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Bullet shank portion assumes a streamlined form during flight. Bullet shank portion is made in the form of a helical conical compression spring. Spring is made from a light-weight steel strip of rectangular cross section. Spring receives the streamlined shank portion of the bullet during its flight due to elastic forces. |
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Small arms cartridge bullet consists of a slug mounted in the cover. On outer surface of bullet or its elements (cover, slug), including their end surfaces made from one type of metals, a composite zinc coating with thickness of 4-6 mcm is made by means of an electrolytic method. First, a loosened layer is created on surface of the bullet and/or its elements, for better adhesion of the applied coating by etching. Composition consisting of zinc and brightening additions, the outer surface of which is smoothened by passivation, is applied onto a loosened layer. Boundary of metal contact on end surfaces of a bullet and its elements is tightly closed with composite zinc coating. |
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Small arms cartridge consists of an encapsulated case with powder charge and a bullet mounted in it. Bullet consists of cover, slug and lead jacket. Ratio of lengths of front and guide parts of the bullet is equal to 1/1 to 5/1. Bullet s mounted in the slug with envelope and crimping of slug mouth along the perimetre of the guide and along perimeter of head surface of the bullet. Height of annular surface of contact of crimped slug mouth with surfaces of head and guide parts of the bullet is equal to 0.5…1.2 of the gauge. |
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Noiseless cartridge-bullet includes a hollow housing with a capsule. A charge and a core are arranged inside the housing in its shank part so that it can be moved to head part. |
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Cartridge for existing model of miniature firearms Cartridge for an existing model of miniature firearms comprises a propellant powder and an element interacting with a bullet imitator during firing. The propellant powder is placed in the cartridge case. The cartridge is made from two cases telescopically connected to each other. The inner cartridge case is equipped with an edge for extraction of the cartridge. The propellant powder is installed in the cavity of the inner cartridge case. In the muzzle there is a piston with a diameter equal to the diameter of the inner cavity of the outer cartridge case, interacting with the bullet imitator during firing. In the mouth of the outer cartridge case there is a cylindrical channel arranged coaxially. The outer cartridge case is equipped with gas discharge holes in the rear part, at the level of cut of the inner cartridge case when extended. |
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Proposed shell comprises main part and tail. Tail case accommodates propellant charge and combination piston with initiator. Shell is composed of detachable sealed screw assy of tail and main part. Tail is furnished with fin. Tail charge chamber accommodates multi-section propellant to be implemented in various versions. Punch-type initiator is arranged inside the piston. Said piston is composed of inner and deformable outer sleeves of different strength. Tail body is furnished with inverse cone on fin side. The inverse can is a braking device during a dislocation of piston to the fin side. |
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Traumatic cartridge for tubeless weapon Traumatic cartridge comprises an aluminium case with a stepped cavity, an electric igniting primer, a rubberised bullet with a metal core. The electric igniting primer interacts with a propelling powder charge pressed into a gas generator case. The head part and the polymer tail of the bullet are joined with a link. The tail and the head part of the bullet adequately adjoining to the case. The bullet is installed autonomously from the gas generator and rests against the membrane. The membrane is installed on the ledge of the case cavity. The outer profile of the case is arranged with inclination to the open end at the distance of 0.4-0.5 of its length. |
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Cartridge for noiseless and underwater firing Cartridge comprises a case with a slope, a missile, a detonator, a missile element and a piston. The piston is installed in the bottom part of the case with two protruding circular conic ledges, one along the outer cylindrical surface, the other along the inner one, in contact with the missile element. In the central part of the piston end there is a cylindrical groove, on the bottom of which there is a ledge or ledges with an inclined side surface. Also in the piston there are through holes at the inclination angle to the horizontal plane of the piston for gas passage from the missile arranged in the entire free volume of the case. The missile enters the cylindrical groove on the piston, and in its bottom part it has a slot or slots with an inclined side surface, into which a similar ledge or ledges enter in a detachable manner, and those ledges are arranged on the piston. In the conical part of the case slope there is a circular conic obturator installed with a conic face along the inner diameter towards the piston, and at least with one circular rib and a circular bore. The conic surface of the obturator facing towards the piston is coupled along the surface with two circular conic ledges on the piston. |
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Charge consists of spherical porous powder arranged in encapsulated cartridge case, Powder charge is made of spherical powder with porosity if 26-30 wt % and residual moisture content of 0.1-0.5 wt % graphitised from surface of 0.1-0.3 wt % of graphite at the following ratio of fractions, %: 0.2…0.4 mm - at least, 70, under 0.2 mm and over 0.4 mm - not over 30. |
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Shot of remote electroshock weapon and method of its fabrication Proposed shot comprises weight head with device for attachment on to target and formed current conductor, its one end to be secured at electroshock weapon and another end to be attached to aforesaid head. Formed current conductor and weight head are provided with elastic deformable coating. Shot circumscribed diameter equals that of weight head while formed current conductor ID makes 0.19 mm. |
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Cartridge for small arms and artillery smoothbore systems Cartridge comprises a casing with a slope, a propellent charge, an igniting primer, a missile element and a piston. The piston is installed in the bottom part of the casing. On the outer cylindrical side surface of the piston at the side of the casing slope there is a circular ledge. In the central part of the piston end there is a cylindrical groove, on the bottom of which there is a ledge or ledges with an inclined side surface. In the piston there are through holes at the angle of inclination to the horizontal plane of the piston, for passage of gases from the missile charge placed in the entire free volume of the casing. The missile element enters the cylindrical groove on the piston, and in its bottom part has a slot or slots with an inclined side surface, where a similar ledge or ledges enter in a detachable manner, arranged on the piston. In the conical part of the casing slope there is a circular conical obturator installed, having one circular rib and a circular bore, with an inclination coupled with the surface of the circular ledge on the piston. |
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9 mm-caliber pistol cartridge features length of 3.2-3.32d. Said cartridge comprises metal cartridge case with fuse, propellant charge and bullet. Bullet has ogival head part and ogivaled lead part. Bullet consists of lead core and bimetallic shell closed on ogival head node side and exposed on rear end of ogivaled part. Bullet has exposed cavity in core rear part. Bullet features weight of 5.91-6.22 g while ogivaled part length makes 1.1-1.2d. Bullet core has flat front end spaced from nose inner surface by 0.22-0.23d. Core rear side cavity surface represents a ball segment with radius of 0.39-0,42d where d is bullet caliber. |
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Ammunition comprises a case with a bottle-shaped body with a slope, a missile body, a missile charge, an igniting primer. Inside the missile charge there is at least one separation body in the form of a ball. The diameter of the separation body is equal or less than the diameter of the missile body, but is more than the diameter of the weapon barrel. |
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Ammunition comprises a case with a bottle-shaped body with a slope and guides, a missile body, a missile charge, an igniting primer. Inside the missile charge in the guides there is at least one separation body is installed, preferably of a cylindrical shape, with facets or bulges at two ends, with a diameter equal or less than the diameter of the missile body, but more than the diameter of a weapon barrel and with grooves at two ends. |
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Cartridge comprises a case, a cap primer, a bullet missile element with a lead and a tail parts, a hollow collar tray and a missile charge. The missile element has a head part, where faces are arranged that cross on the front end and are arranged at the angle to the longitudinal axis of the missile element. The cap primer is installed in the bushing tightly fit in the bottom part of the case and rigidly fixed against axial displacement. |
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Cartridge comprises a case with a cap, a charge and a bullet. The case at the side of the bullet exit is shaped as a Laval nozzle arranged in the form of two truncated cones coupled with narrow ends. |
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Non-lethal cartridge (versions) Non-lethal cartridge comprises a plastic case, a detonating cap, a propellant charge and an elastic bullet. The plastic case is equipped with a current-conductive element to ensure electric contact between the detonating cap of the cartridge and an electric striker of the weapon. The plastic case is arranged in the form of a cylindrical thin-walled sleeve with a bore near the base along the external wall. Inside the plastic case is represented by three cylindrical channels with subsequent reduction of the inner diametre and appropriate increase of case channel wall thickness. The diametre of the lower channel is reduced to the outer diametre of the detonating cap. The bullet is made of a cylindrical shape with flat ends. The propellant charge in the cartridge contains a pyrotechnical composition, which does not contain powder placed into the detonating cap. In the other version of the cartridge along the outer cylindrical wall of the plastic case there is an additional body in the form of a metal pipe. |
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Cartridge case fixator comprises a steel vessel with tabs, a window, a hook, rear and front guides. A window hinge at the length of at least the width of the window is equipped with flanging having a guaranteed gap. The outer surface of flanging is arranged as radius. Material thickness and hardness are accordingly selected as equal to 1.2-2.1 mm and 42-52 HRC. |
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Cartridge comprises a case and a striking element. The case and the striking element are fixed with a link damaged during a shot. The striking element comprises a plastic casing with a master belt and an elastic tip connected to it. On the tip in front of the casing, in the area where radial deformations occur on it during a shot, which increase the tip diametre above the grenade launcher barrel calibre, there is a calibre polyethylene bushing installed as tightly fit. The bushing has a wall thickness equal to or slightly higher than the depth of grenade launcher grooves. |
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Composite material for firearms traumatic propellant bullets Composite material is produced by curing rubber stock made up of rubber, curer and iron powder filler. Said filler of proposed material is made up of iron powder with particle size of 5 to 300 mcm, taken in amount of 17 to 350 wt parts per 100 wt parts of rubber. Intensifying inorganic filler is added to said material in amount of 20 to 200 wt parts per 100 wt parts of rubber at the following ratio of components in starting mix, in wt parts: rubber - 100.0, curer - 1.5-15.0, iron powder filler - 17.0-350.0, and intensifying filler - 20.0-200.0. |
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Powder charge for sporting and hunting 30 carbine cartridges (7,62×33) FIELD: powder charge for firearm cartridges. SUBSTANCE: invention can be used for sporting and hunting 30 Carbine cartridges (7,62x33 mm). The powder charge consists of spherical powder of the size of 0,2...0,4 mm. The charge is positioned in a cartridge with an encapsulated bullet. The charge is made of powder elements consisting of nitrocellulose and of nitroglycerine (15...38% of total mass), with a packed density of 0,850...0,980 kg/dm3; of particles moderated from centralite I or centralite II (3,0...9,0% of total mass), graphite (0,2...0,6% of total mass), containing ethyl acetate (0,6...0,8% of total mass) and moisture (0,2...0,8% of total mass), with the following mass ratio of the fractions, %: 0,2...0,4 mm - at least 80 less than 0,2mm and more than 0,4 mm - up to 20. EFFECT: stable ballistic performance of the powder charge. 1 dwg |
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Cartridge comprises a case and a shell. The cartridge is fixed to the shell by a link damaged in process of firing. The shell comprises a thin-walled jacket with a full charge, a plastic cover, an explosive device with a detonator and an orifice. The plastic cover is made in the form of a sleeve with a lead belt shaped on it. In the cover cavity there is an insert available that fills it and is not damaged during firing with a dead axial cavity at the side of the full charge. In the dead axial cavity there is an explosive device installed. The explosive device detonator is placed in an end groove arranged in the full charge. The orifice is installed between the cover and the full charge and has external diameter equal to the full charge diameter. The orifice is made with thickness providing for its arrangement between the front end of the explosive device case and the charge of its detonator. The orifice comprises an axial hole. The hole in the orifice is made with a diameter that provides for its installation onto the explosive device detonator as free fitted. The cover, the insert, the case of the explosive device and the orifice form a pressure mass, reciprocal energy of which during firing at minimum distance is equal or close to energy acting at it during full charge explosion. |
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Multi-bullet cartridge includes case with igniter capsule, deflagrating propellant charge and several bullets. Bullets are located in the case one after the other, and the head part of the second bullet and each next one is arranged in the groove made in the end part of the previous bullet. Mating surfaces of the groove and head part of the bullet are cone-shaped and have large taper angle in the groove Through longitudinal channel with subsequent increase of its cross section is made in all the bullets except the first one. Diameter of longitudinal in the second bullet is assumed equal to 0.08-0.12 of the bullet calibre, and for each next bullet it has been chosen according to the following ratio where n - bullet ordinal number. |
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Cartridge of increased penetration Cartridge includes bullet, steel case with igniter capsule and powder propellant charge. Bullet consists of cover, slug and lead jacket. Slug consists of head and end parts. Bullet length is equal to (3.52-4.60)d; length of bullet slug is (2.36-3.48)d. Slug is made from hard alloy with tungsten carbide content of 85-96 wt %, which has HRA hardness of not less than 85.0 units; ultimate bending strength is at least 2000 MPa. Head part of slug is cone-shaped, the length of which is (0.52-2.41)d; end part has the shape of cylinder or flattened cone, or cylinder and flattened cone connected to each other. Smaller diameter of flattened cone is (0.69-0.86)d; larger diameter of flattened cone of end part is equal to diameter of cylinder and diameter of head part of slug and is equal to (0.70-0.86)d. Length of cylinder of the end is equal to (0.01-3.58)d, where d - bullet calibre diameter. Slug surface has roughness of not more than Ra 1.6, and weight of slug is equal to (0.34-0.62) of bullet weight. |
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Cartridge includes encapsulated case with powder charge and bullet. Bullet consists of cover and core. On inner side of head and cylindrical parts of bullet cover there made is even number of cavities of alternating longitudinal projections and cavities. Cavities of alternating longitudinal projections and cavities are uniformly distributed along the perimetre of cover. Projections in head part of cover are made in the form of two and more stages. Every second projections at two-stage design and every second third projections at three-stage and more design are shortened by the value of 0.2…1.5 of the gauge. |
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Method of assembly and small arms bullet Method of assembly comprises fitting encased bullet with lead core into encapsulated cartridge with powder charge, bullet geometrical parameters being controlled. First, die and punch are used to arrange lead core cylindrical and front parts equidistant relative to bullet shell. Then, lead core is fitted into shell at force not exceeding shell elastic properties and with shell edges bending. Further fitting of bullet with lead core is performed to pull-out force of 20-45 kg. Geometrical parameters of lead core, shell and shell with lead core fitted therein are controlled after each fitting step. |
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Cartridge includes case and striking element. Case is connected to striking element by means of link destructed during firing. Striking element includes plastic housing, hollow elastic tip and axial plastic stop. Plastic housing includes pyrotechnic retarder, detonator and explosive cartridge. Plastic housing has axial hole, front groove and driving band. Hollow elastic tip is connected to plastic housing by means of glue and has front rounded end face. Axial plastic stop is installed into end groove of plastic housing. Plastic housing is made in the form of sleeve. Elastic tip includes thin-wall cylindrical part and is put on plastic housing. Inner end surface of the tip is equipped with radial projections, and axial plastic stop is formed with thin-wall cover in the form of bottle. On neck of thin-wall cover there are end slots interacting with radial projections of the tip; at that, bottom of the cover is made in the form of stepped disc. Irritative powdered compound is arranged in free cavity of axial plastic stop and pressed to its bottom with wad sunken into neck behind end slots. |
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Artillery small-calibre cartridge Artillery small-calibre cartridge includes armour-piercing solid shell and case with powder propellant charge. Shell is covered with thin-wall ballistic fairing and equipped with copper driving band and tracer. Lead ring is arranged in case under tracer. Powder propellant charge is interconnected with igniter capsule mounted in case flange. On head edge of solid shell, inside fairing, there installed in addition is adjacent incendiary stick from heat-sensitive pyrotechnic compound. Stick is made in the form of flattened cone, the surface of which is congruent to fairing. |
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Cartridge includes military fragmentation part, housing, combustion chamber of powder propellant charge and diaphragm. Fragmentation part consists of nose fuse and driving band. Band is made of solid bottom of housing. Combustion chamber of powder propellant charge is rigidly fixed on the housing. Charge is interconnected with igniter capsule installed in end diaphragm. |
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Nonlethal wireless knocking-out bullet for short-time paralysing by neuromuscular distress Proposed bullet comprises first and second electrodes. Second electrode may unfold at second distance from first electrode after collision with target and connect to target at 10 cm from said first electrode. Proposed bullet comprises shock cushioning subsystem to protect target against traumatising, mechanism to retain bullet on target and power supply subsystem that may feed electric current after bullet is attached thereto by said mechanism. Bullet comprises galvanic element made using thin-film technology. Said galvanic element comprises separating substrate, two electrodes and electrolyte. Said electrolyte is absorbed by separating substrate to facilitate ion motion between two electrodes and to produce potential difference there between. Bullet comprises transformer. Said transformer comprises multiple coils and two blocks. Each said block incorporates package made form spiral coil of multiple spiral coils. Method of target knocking out by said nonlethal bullet consists in unfolding second electrode at second distance from first electrode after collision with target and connecting first electrode to target at 10 cm from said first electrode and passing electric current from second electrode to first electrode. |
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Method to throw body from a weapon barrel consists in creation of powder gases pressure in hollow body, rotary torque to boost body in a weapon barrel, its transformation into accelerated rotation in the weapon barrel. Simultaneously pressure of powder gases provides for cutting of thread on body and reciprocal motion of piston inside body. Reciprocal motion is transformed into power rotary torque of body in barrel, where its axial force is summed with axial force of powder gases pressure at bottom of thrown body. Throwing device comprises hollow ogival body in the form of bullet or projectile, piston, lugs and stop ring. Coaxial rectangular guiding ledges, corresponding to turns of hollow body, are arranged on surface of piston. Stop ring is installed in slot on inner surface of body at the end of trapezoidal thread. Lugs slide in rectangular slots, which are equal in width and height. Inside hollow body there is a cylindrical stop, which serves as axis of body rotation in the weapon barrel. Stop is installed with rest against bottom of inner cavity of thrown body. Stop is arranged with central end cone hole and ogival surface. |
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Arrangement of service cartridge of remote electric-shock weapon (versions) According to the first version, the throw shell of electric conductor has plastic housing in which there is support-and-guide pin around which the conductor routing is arranged. Shell has needle to be attached to the target and internal pyrotechnical charge. In support pin there located is conductor passing from internal electrode of the housing, which projects to external rear end face of the housing to pyrotechnical charge. Shell is arranged on support pin, one end of the conductor is attached to the shell, and the other end of conductor is located on external surface of cartridge. According to the second version, noise-free throw cartridge of electric conductor has plastic housing in which there is support-and-guide pin around which the conductor routing is arranged. Shell has needle to be attached to the target, internal pyrotechnical shell and movable tight piston with elongated electrode fixed in the piston passing through support pin from rear external end face of cartridge to pyrotechnical charge. Conductor is fixed in a way similar to that of the first version. |
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Proposed round comprises cartridge case and shaped grenade. Shaped charge shell is furnished with outer annular ledge and fitted into said charge. Stepped cavity is made in shaped charge, on the side opposite the shell side, to accommodate fuse block. Note here that plastic disk is arranged ahead of said fuse block and amplifier of initiating pulse is arranged around said fuse block representing a channel grain made from explosive and having diametre exceeding that of said plastic disk. |
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Two-component bullet of proposed round consists of steel core and bimetal shell. Core cylindrical front part has lengthwise rifling. Round steel core is made an interference fit in said bimetal shell. Annular groove is made on core side surface between core head and cylindrical portion for flush-folding of bimetal shell open face. Core-to-round weight ratio makes 0.72-0.80. Bullet cylindrical portion features the shape of tapered cylinder with obtunding. |
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Proposed round comprises cartridge case and grenade that comprises casing with band, bottom jointed with casing, fuse, central cup with explosive charge adjoining said fuse and warhead pressed into said casing. Casing and central cup are made from plastic material. Central cup has flange with circular ledge formed all around its open face and inclined towards warhead, flange diametre being equal to casing ID. |
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Underwater cartridge with increased stop effect bullet Invention relates to ammunition for small arms. Proposed cartridge comprises cartridge case, percussion cap, propellant powder charge and bullet with body, head and cavitation generator. Bullet head part represents a lead-filled shell with ballistic truncated-cone tip, cavitation generator being arranged on said ballistic tip. Note that bullet head part length makes (5.5 to 6.5)d, diametre of said cavitation generator makes (0.27 to 0.35)d, taper angle of ballistic tip makes (7 to 10)°, diametre of ballistic tip junction with shell makes (0.4 to 0.6)d, and radius of shell outer surface generatrix makes (7 to 12)d, where d is bullet body diametre. |
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Proposed cartridge comprises cartridge case with primer, propellant charge and bullet consisting of lead core and jacket. Bore is made along the lead core axis, on its tail part, bore diametre making 12.0% to 28.0% of caliber and depth exceeding 1.0 of bullet caliber. Note that bore extends to jacket front part. |
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Proposed cartridge comprises cartridge case with primer, propellant charge and bullet consisting of lead core and jacket. Aforesaid lead core features three and more lengthwise crimps made in forming by closing lengthwise incisions made in core billet. Note that aforesaid crimps feature depth making 25% to 40% of core diametre. |
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Cartridge is arranged with certain ratios of its parts and comprises cartridge case of bottle type with igniter cap, powder charge and bullet with head and tail parts, which is arranged with polymer coat. |
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Cartridge is designed for using it in hand-held and automatic grenade launchers. The cartridge contains a grenade and case with chamber of low and high pressure coupled with the latter by a fire destructible link with initiation apparatus and ball powder propellant disposed in the chamber of high pressure, by perforating in the baffler dividing the chambers, and reheat plug covering the perforation from the side of propellant charge. A metal mesh is disposed between the charge and reheat plug attached to the latter and overlapped the perforation. |
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Large-caliber armor-piercing-and-burning round Invention relates to unitary armor-piercing and armor-piercing-and-burning shells designed to hit surface and air lightly-armored targets. The round case accommodates a bullet with armor-piercing core and a powder charge. The proposed round features the following ratios of its parametres, i.e. m/W=1.20 to 1.43, d1/d=0.82 to 0.85, L/1=2.30 to 2.46, where m is the bullet weight, g, W is the charge chamber volume, cm3, d1 is the core diametre, mm, d is the round diametre, mm, L is the round length, mm, 1 is the bullet length, mm. |
Another patent 2513589.