Ammunition and blasting (F42)

F42            Ammunition; blasting(5917)
ethod of moving object homing basing on information on fact of target sighting and device for its implementation (versions) // 2607758
FIELD: data processing.SUBSTANCE: object trajectory is formed as cyclically repeating arched sections, along which the object moves with a preset (maximum) angular speed equal in magnitude but opposite in sign. Every two sections are combined into a cycle, which begins and ends with the fact of coincidence of the object speed vector direction with the target line of sight, and the angular speed sign is changed inside the cycle as per the fact of coincidence of inclination angles relative to an inertial coordinate system of lines connecting the object and the target at the beginning of the cycle and at the given moment. Also proposed are devices implementing the above said method.EFFECT: proposed is a method of a moving object homing basing on information on the fact of a target sighting in case of coincidence of the radar axis direction with the object speed vector direction.4 cl, 4 dwg
Resw cartridge and propellant charge // 2607701
FIELD: weapons and ammunition.SUBSTANCE: invention relates to ammunition, in particular, to remote electric-shock weapon (RESW) cartridges and propellant charges for them. RESW cartridge comprises a non-current-conductive case with a barrel channel, a shell with a current lead laying and a device for fixing on the target, as well as a propellant charge with an obturator. Barrel channel is made with a blind bottom with a thickness of at least 1.5 of the barreled channel wall thickness in the most thick section place. Inside the barreled channel there is an output of the conductive element from the external surface of the case or the current lead inside the case. Laying of the current lead is made in a solid or a deformable shell with an output and fixing of the current lead end from the laying rear end to the front end of the case. Propellant charge of the RESW cartridge is sensitive to an electric-spark and a thermal initiating pulse. Charge is a mixture of a fuel and an oxidizer. As the fuel the charge comprises dehydrated with partial thermal decomposition of potassium hexacyanoferrate(II), and as the oxidant – potassium perchlorate.EFFECT: provided is higher efficiency of the ammunition.14 cl, 6 dwg
ethod of blasting upward borehole charging // 2607483
FIELD: blasting operations.SUBSTANCE: invention relates to explosive substances (ES) charges formation in wells and can be used during blasting upward boreholes charging, regardless of their watercut degree, on underground mining works for extraction of minerals. Method of blasting upward boreholes charging, including live primer location in well upper part with subsequent well filling with ES and formation, or not, of stemming below ES. In well upper part above live primer drain cavity is created, by arranging plug with drain tube in well, wherein tube lower end, after charge formation, is located below charge.EFFECT: invention allows to ensure stability of ES charge column under conditions of large water influx.1 cl
ethod of missile movement stabilization at underwater launch and device for its implementation // 2607126
FIELD: rocketry.SUBSTANCE: invention relates to rocketry, particularly to methods and devices of a missile stabilization at underwater launch from a moving carrier. Stabilization of a missile movement at underwater launch means ensuring the stabilization device mechanisms operation and serial commands of the control system. After the missile release from the transporter-launcher container and required by the cyclogram time delay the fixed stabilizers installed in the folded position above the missile obturator belt in such a way, that external incoming flow creates forces on the inner and the outer surfaces of the stabilizers caused by the effect of dynamic affluent at the flow streamlining the obturator belt on the inner surfaces and the disturbing flow effect on the outer surfaces, are unfixed and unfolded together with the unfolding mechanisms until the external unfolding moment appears on each stabilizer, damped is the angular speed of unfolding and fixed are the stabilizers in the final angular position by the structural means. After leaving the water the obturator belt is discarded, while the stabilizers operation is continued till separation of the aft section together with the burned out first stage.EFFECT: proposed invention allows to improve parameters of stability of a missile movement at underwater launch from moving carriers at the underwater and the air trajectory sections till separation of the first stage and to optimize the missile weight and dimensions characteristics.4 cl, 9 dwg
ethod of determining projectile incendiary and device for its implementation // 2606897
FIELD: weapons and ammunition.SUBSTANCE: invention relates to testing ammunition and can be used at determination of incendiary effect of projectiles with delay-action fuses. Projectile velocity is measured by the formula V=S/t, where S is the distance between the sensors, t is the time of the projectile flight through the distance between the sensors, the receiver radiation is started with a time delay equal to the mathematically expected time of the projectile fuse delay. Experimental projectile radiation intensity parameter taken is the value of radiation intensity of the explosion products during their luminescence. Reference projectile radiation intensity parameter taken is the value of radiation intensity of the reference light source. Determined is the value of coefficient K3 of the projectile incendiary with indication of the value of its velocity V. Device uses a recorder of the projectile velocity, the second button “Reset”. Projectile velocity recorder input is connected through the second button “Reset” with the power supply source, the recorder output is connected to the radiation source input.EFFECT: technical result is higher accuracy of determining coefficient K3 of the projectile incendiary.3 cl, 4 dwg
Explosive cutting device // 2606812
FIELD: metal processing.SUBSTANCE: invention relates to metal forming, in particular to explosive cutting, and can be used for cutting hull structures of complex configurations with the wall thickness of up to 23 mm into fragments convenient for transportation and melting. Device comprises an explosively connected with the initiation means line cumulative explosive charge (LCEC) with a metal-base laminate lining directed at the structure being cut. LCEC is made elastic and able to be placed on the surface of the structure being cut with reproduction of its outline. Device is equipped with a support closing the LCEC and installed flush with the LCEC surface contacting with the surface of the structure being cut. Support is an elastic shell with a bulk substance with the density of 1.5–1.8 g/cm3. Support dimensions are selected so, that in the cross section its thickness above the LCEC and its width on each side of the LCEC are at least not less than the LCEC width.EFFECT: technical result of the disclaimed invention is better safety of the works and efficient cutting of metal structures.1 cl, 1 dwg
Torpedo (versions) // 2606267
FIELD: weapons and ammunition.SUBSTANCE: invention relates to torpedoes. Torpedo includes a warhead, a control system, an engine and a store of energy for it. Torpedo has the shape of a cylindrical body with an inner channel in the form of an annular Venturi nozzle. In another version the torpedo is preliminary supercharged from inside with an excessive pressure of a gas, e.g. nitrogen or argon. In another version the torpedo has an inside excess pressure maintenance system consisting of a cylinder with a gas, a safety valve and a reducer connected with the outboard space. In another version the entire free volume inside the torpedo is filled with a fluid, e.g. kerosene, or a lubricating oil, or a liquid explosive. In another version the entire free volume of the torpedo is filled with a molten substance, e.g. paraffin, or stearine, or naphthalene, or polyethylene, or a molten explosive.EFFECT: provided is higher speed of the torpedo.8 cl, 1 dwg
Device blasting pyrotechnic device // 2606265
FIELD: pyrotechnics.SUBSTANCE: invention relates to systems for initiation of pyro device. Pyro device blasting instrument comprises a microcontroller, each output of which is connected to control input of corresponding relay switch, blasting circuits, power source, negative terminal of which is connected to first lead of first electronic switch, first, second and third resistors, capacitor, galvanic isolation unit and second electronic switch. First leads of relay switches are connected to first leads of blasting circuits. Control input of second electronic switch is connected to first leads of capacitor, third resistor and via first resistor is connected to second lead of first electronic switch and second leads of each relay switch. Second leads of third resistor and capacitor and first lead of second electronic switch are connected to negative terminal of power source, to positive terminal of which are connected second leads of blasting circuits. Second lead of second electronic switch is connected to control input of first electronic switch, first lead of which is connected to negative output of galvanic isolation unit, positive output of which is connected via second resistor to control input of first electronic switch, wherein inputs of galvanic isolation unit are connected to corresponding additional outputs of microcontroller.EFFECT: technical result is higher noise immunity.1 cl, 2 dwg
ethod for adjustment of rated current control of aircraft drive operating solenoid and device for its implementation // 2606213
FIELD: aircraft engineering.SUBSTANCE: group of inventions relates to aircraft control systems and can be used in rocket steering drive control circuit with pulse-width control method. In the proposed control method of rated current control of the operating solenoid (OS) the pulse-width control modulated signal (PWM-signal) is exposed to additional modulation, where upon activation of OS according to said control signal in time t0 a signal for switching off current in the OS excited winding with the Toff duration is formed, at the end of which a signal for switching on current in said winding with the Ton duration is formed. Signal cycle with the Toff and Ton duration is repeated until the tripping winding in accordance with the control signal. At that, the duration t0, Toff and Ton is selected so that, in order rated current to be more than actuation current at the moment of the OS armature arrival on thrust. Device for the method implementation comprises a power supply source, a PWM control signal shaper, the output of which is connected to the coincidence circuit first input, series-connected load in the form of the OS winding and an electronic key, control input (transistor base) of which is connected to the coincidence circuit output, and an emitter output - to one of the outputs of the power supply source. Apparatus includes a clock pulse generator and a current regulator, consisting of a counter, outputs D3, D4, 15 of which are connected to inputs of the OR element respectively, output of which is connected to the second input of the coincidence circuit, and two series-connected D-triggers, "O" outputs of which are connected to "RST" input through the XOR element, and the "C" inputs of D-triggers and the counter are connected to the clock pulse generator, at that, the "D" input of the first D-trigger is connected to the PWM control signal shaper output, and the second output of the OS winding is connected to the other output of the power supply source.EFFECT: objective of the inventions group is reduction of power consumption by the steering drive at increase in power of the operating solenoid (OS) in order to increase its efficiency.2 cl, 4 dwg
Combined bullet // 2606007
FIELD: weapons and ammunition.SUBSTANCE: invention relates to ammunition for smooth-bore weapon and can be used in bloodless hunting on large birds and small animals, when performing police operations, as well as in traumatic weapons of close, middle and far, up to 100 meters and more action. Bullet consists of hollow semi-sphere, made of soft metal, guide bushing from polymer material, diameter of which is more than double radius of the hemisphere and more than gun’s barrel channel diameter. Inside of hemisphere and sleeve insert is installed rigidly connected with internal part of hemisphere. Inner diameter of bushing is larger than outer diameter of insert, which has cylindrical projections in tail part. Bushing can have cylindrical grooves or projections in the form of multiple thread on external surface, it can be made in the form of several segments. Hemisphere can have projection-weighting additive inside in the center, and outside-releasing radial grooves or open-type radial channels. Insert can have longitudinal holes, including partially filled with paint, and longitudinal separation plates. Bullet is installed in loaded cartridge and at firing passes through the barrel bore. At exit from barrel wads and packings are separated from bullet, and then by opposite air flow bushing is removed. At impact on target-obstacle hemisphere flattened and breaks the insert, parts of which are turned over and hit the target-obstacle. In the presence of paint in insert it is spread on the target.EFFECT: invention allows enlarging the scope of application of composite bullet, enabling reduction of its penetration.17 cl, 38 dwg

Device for enemy ships destruction // 2605566
FIELD: military equipment.SUBSTANCE: invention relates to military equipment. Device for destruction of enemy ships containing a torpedo launcher and a torpedo. Torpedo comprises a microphone mounted along the axis of a scanning reversible engine, and the output of the microphone via an acoustic signals spectrum analyzer is connected to one of the inputs of an acoustic signals spectra comparator circuit, the second input of which is connected with an acoustic signals spectrum memory unit. Output of the acoustic signals spectra comparator circuit is connected to the scanning reversible engine, besides, the microphone is connected to one input of an acoustic signals amplitude values switch, the second input of which is connected with a clock generator. One of the switch outputs is connected to an amplitude memory cell and with one input of an acoustic signals amplitude values comparison circuit. Second output of the switch is connected to the second input of the acoustic signals amplitude values comparison circuit, the output of which is connected to the torpedo steering unit. Acoustic signals amplitude values switch comprises a trigger, input of which is connected to the clock generator, and two outputs of the trigger are connected to two “AND” circuits, the second inputs of which are connected with the microphone.EFFECT: invention increases the probability of killing the target enemy vessel from a long, inaccessible for the enemy weapons, range.1 cl, 2 dwg

Device for throwing gun grenade during when firing with bullet cartridges // 2604904
FIELD: weapons and ammunition.SUBSTANCE: invention relates to ammunition, specifically to a device for throwing gun grenade during firing with bullet cartridges. Device for throwing gun grenade during firing with bullet cartridges comprises a barrel nozzle and bullet trap. Barrel nozzle is made in form of a container having shape of a pipe, which is open on one side and has bottom with axial hole on other side. At bottom of container is placed obturating tray in which bullet trap is installed.EFFECT: possibility of throwing grenade when firing bullet.5 cl, 4 dwg

ethod of elimination of large-size solid rocket fuel charges // 2604612
FIELD: fuel.SUBSTANCE: invention relates to elimination of large-size solid rocket fuel charges in the bench, namely to methods of burning channel solid propellant charges directly in rocket engines housings. Method of elimination of large-sized charges attached to the housing without the nozzle cluster is performed by combustion on a horizontal bench with supply of a disperse fluid into the charge channel from the side of the front bottom through spraying modules. Fluid supplied into the charge channel is water in finely dispersed or vapour state.EFFECT: invention reduces the content of toxic substances in the combustion products, particularly of molecular chlorine.1 cl, 1 dwg, 1 tbl

Aircraft fighting equipment compartment // 2604540
FIELD: aircraft; rocket engineering.SUBSTANCE: invention relates to rocket and aircraft equipment, and more specifically to attack unmanned systems for killing ground and water surface targets. In the fighting equipment (FE) compartment of an aircraft (AC), which involves a structural frame, a shell and an insert warhead (WH), the shell and the structural frame of the FE compartment are made from a structural material inflammable at blasting the WH and sustaining combustion in the air. In the structural frame there can be cavities, inside which there are ampoules with a liquid hydrocarbon or a solid thermobaric mixture for organization of deflagration combustion. In some cases, for example, if heat insulation of inner volumes of the FE compartment is needed, on the inner surface of the shell there may be heat-insulating mats installed, which are fixed on the shell pointly, with a pitch of not less than 10 mm. On the inner surface of the shell there may be a combustible composition applied with its ignition temperature of not less than the temperature of complete braking the air flow at maximum speed of the aircraft, but not more than ignition temperature of the shell structural material of the FE section. Combustible composition can be made heat-insulating. Between the WH and the shell there can be placed jettisonable in flight false targets, herewith the shell is made split.EFFECT: use of the proposed technical solution in unmanned attack AC will allow increasing fire power of the WH and incendiary action of the fighting equipment due to the synergetic effect of interaction the WH explosion products and the FE compartment elements, herewith in some cases there can be implemented an additional possibility to arrange in the FE compartment dropped in flight false targets.6 cl, 4 dwg

ethod for performing blasting operations // 2604074
FIELD: mining.SUBSTANCE: invention relates to mining, to drilling and blasting operations (DBO) in rocks, and can be used in various industries using blasting operations in rock masses, in particular, in blasting preparation of a layered rock mass for excavation at open development of minerals. Method involves production of geologic information directly on exposing the ledge slope about elements of rocks laying, calculation of DBO parameters and well pattern designing, drilling of parallel rows of wells, charging them with an explosive with subsequent plugging, installation of an explosive network, short-delay blasting and development of blasted rocks. Herewith depending on spatial position of the bedding in the mass the wells are drilled perpendicular or parallel to the plane of the bedding.EFFECT: technical result of the proposed technical solution is increased efficiency with a rational degree of crushing a rock mass before excavation due to formation of a stress wave front along the rocks bedding.1 cl, 4 dwg

Traumatic cartridge for tubeless weapon // 2604071
FIELD: weapons and ammunition.SUBSTANCE: invention relates to ammunition, particularly to traumatic cartridges for tubeless weapon, and can be used for training purposes. Traumatic cartridge for tubeless weapon comprises a monolithic elastic bullet of cylindrical shape with flat ends equipped with an obturating band on the shank, which is arranged on the case ledge above the combustion chamber of the propellant charge interacting with an electric igniting primer. In the volume of the bullet from rubber a metal powder is distributed, the obturating band is adjacent to a partition of a smaller diameter of rigid connection with the caliber head part.EFFECT: proposed technical solution forms a solid bullet of arrow-shaped from a metal-filled rubber with a displaced forward from the center of the aerodynamic pressure center of mass, that provides its lengthwise stabilization on the flight trajectory to increase the sighting range of fire at increased force pulse dynamically affecting the target when hitting.1 cl, 2 dwg

ethod for generation of air blast wave // 2603995
FIELD: gas industry.SUBSTANCE: invention relates to application of gas dynamics, namely to methods for generation of air explosion wave (AEW) by creation of gas mixture in elastic shell, located in shock tunnel, and blasting, and can be used for tests of structures and objects on mechanical impact of pressure pulse. Method consists in supply of combustible gas and oxidizer gas into elastic shell with formation of explosive gas mixture of stoichiometric composition, initiation of gas mixture blast. Acetylene is used as fuel gas, wherein required amount and concentration of explosive gas mixture at specified parameters of shock wave is created. Explosion initiation is made with detonation wave generator, filled with gas mixture of balanced composition of acetylene and oxidizer gas. Gas mixture in sealing shell and detonation wave generator is divided by membrane. Explosion of gas mixture in detonation wave generator is initiated by high-voltage spark discharge. Sealing shell is placed in charging section of shock tunnel.EFFECT: technical result of method provides opportunity for testing of objects and structures in shock tunnels on impact of generated AEW with expanded range of parameters at reduction of toxicity and cheapening during its use.3 cl, 3 dwg

Cartridge // 2603994
FIELD: weapons and ammunition.SUBSTANCE: invention relates to cartridges with flashbang grenades used mainly by force structures for psychophysical effect on various offenders. Cartridge includes a case and an attached to it with destructed during firing connection grenade, which includes a housing with a band formed by the front part in the form of a jar and attached to it with the bottom, a bottom detonating fuse and a pyrotechnic charge enclosed in a thin-wall shell and adjacent to the bottom of the housing. Front part of the housing is molded from a plastic material and is thin-wall. Housing bottom is made thin-wall from plastic with a shaped band and a local diametrical lowering at the open end arranged on an adhesive in the front part of the housing. In the bottom of the housing there is an installed on the adhesive load ensuring bringing the grenade weight to the weight of other grenades of rounds for a specific grenade launcher, in a blind cavity made on the side of housing front part there is an installed on the adhesive inertial fuse with a projecting from its body detonator. Thin-wall shell of the pyrotechnic charge is made of plastic with the outer diameter smaller than the inner diameter of the housing front part, and on its bottom there is a hollow ledge, in the cavity of which there is a detonator of the inertial fuse. Between the thin-wall shell of the pyrotechnic charge and the load there is an attached to them by a glue metal screen not damaged at the grenade operation, having the outer diameter equal to the inner diameter of the housing front part, and an axial hole for the detonator of the inertial fuse. Radial clearance between the thin-wall shell of the pyrotechnical charge and the front part of the housing is filled with an installed with tension and fixed with glue sleeve. Herewith the sleeve is made from a corrugated cardboard.EFFECT: invention allows to reduce the risk of damaging due to destruction in fine and harmless fragments.1 cl, 1 dwg

Signal cartridge // 2603993
FIELD: military equipment.SUBSTANCE: invention relates to military equipment, namely, to grenade signal cartridges used for target marking, as well as for supply of signals. Signal cartridge comprising case with propellant charge and destructed during firing grenade attached to it, including a housing formed by the bottom in the form of a glass with a steering band and a fairing with cylindrical extension coupled therewith by destructed during firing grenade, pyrotechnic retarder arranged in the housing bottom and powder charge adjoining on the propellant charge, adjacent to the pyrotechnic retarder, and sound vibration mechanical generator adjacent to the propellant charge. Powder charge is separated from the fairing with cylindrical extension piece by a partition fixed in the housing bottom and containing, at the side of the fairing, axial and peripheral dead seats uniformly located around it, connected with powder charge by axial holes. Peripheral seats are open radially outward and together with axial holes therein are connected in series with each other by annular groove, made in the partition, sources of light signals in the form of blocks of end burning in shells are placed therein, which are made of combustible material. In the axial seat there is a sound vibration mechanical generator made in the form of a pyrotechnic cartridge of end burning inserted into a shell of fireproof material. In the generator shell between its burning end of the pyrotechnic cartridge and the bottom of the corresponding seat in the partition there are cylindrical stop, projecting from the shell and containing a through axial channel, annular groove on outer surface and end slot on the side of the pyrotechnic cartridge, crossing through axial hole and passing in annular groove. Source of light signals and vibration mechanical generator are pressed in direction of partition by a clamp.EFFECT: invention ensures to simplify design, decrease weight, increase reliability and stability of operation regardless of the time of day and weather conditions.1 cl, 3 dwg

Transfer compartment of carrier rocket (versions) // 2603872
FIELD: rocket technics.SUBSTANCE: group of inventions relates to aerospace engineering. Transfer compartment of the head part of a carrier rocket (CR) includes a housing, an adapter and a device for connection of the housing with the adapter. Device for connection of the housing with the adapter is made as arranged inside the housing frames, each of which comprises two arms, two rods and a support assembly. On the support assembly of each of the frames first ends of the arms and the rods of the frame are fixed. Second ends of the rods are fixed on the upper end frame of the housing, and second ends of the arms - on the lower end frame of the housing. Adapter is made of sections rigidly interconnected with brackets, each of which comprises the top and the bottom support sites, herewith the top support site is made with the possibility of connection with the payload, and the bottom support site with a detachable connection is connected to the support assembly of one of the frames. Transfer compartment housing is made in the form of a truncated cone or a cylinder.EFFECT: technical result of the group of inventions is reduction of weight of the CR transient compartment.18 cl, 28 dwg

ethod of generating command for doppler fuse actuation // 2603862
FIELD: weapons and ammunition.SUBSTANCE: invention relates to ammunition, namely to methods of generating a Doppler fuse actuating command under the effect of passive interference. Method provides for radiation of sounding radio pulses, reception and amplification of reflected radio pulses, extraction of the Doppler frequency signal corresponding to the target velocity, the fuse detonation at the Doppler signal exceeding the threshold value. Reflected radio pulses are received and amplified in the gate, delayed relative to the gate of sounding radio pulses for the time corresponding to actuating guidance of the fuse from the target, Doppler signal is extracted in the bandwidth of frequencies corresponding to the range of possible velocities of the target. Set is adaptation time T, during which changed is the lower frequency bandwidth of the Doppler signal depending on the deviation of its level from the threshold value, while maintaining its maximum level, but less than the threshold value. When adaptation time T is over the lower frequency of the Doppler signal bandwidth is fixed. Current Doppler signal level is compared with the threshold value, which, when exceeded, is followed by activation of the fuse detonation.EFFECT: invention increases protection from passive interference and reduces the probability of false responses when forming the command for the Doppler fuse actuation.1 cl, 2 dwg

Armour-piercing ammunition // 2603688
FIELD: weapons and ammunition.SUBSTANCE: invention relates to weapons, namely to armour-piercing ammunition, namely to apparatuses with jet engine, launched from the gun barrel. Armour-piercing ammunition includes case with propellant charge and projectile. Latter includes tray, fixed in it armour-piercing core from material of high strength and density and bottom gas generator. Armour-piercing core has commulative recess with an explosive charge VV and means for its detonation connected with cylindrical cavity of bottom gas generator, filled with pyrotechnic composition, and is equipped with jet stabilizer. Latter is formed by flat gas jets effusing during operation of the bottom gas generator.EFFECT: increases value of penetration and probability of hitting armored target at long range.1 cl, 2 dwg

ethod for generating actuating command of radio fuse // 2603687
FIELD: weapons and ammunition.SUBSTANCE: invention relates to ammunition, namely to methods for generating an actuating command of the Doppler radio fuse. Method comprises radiation of sounding radio pulses, reception and amplification of reflected radio pulses, extraction of the signal of the first Doppler frequency F1, corresponding the target speed, actuation of the Doppler radio fuse when the Doppler signal exceeds the threshold value. Reflected radio pulses are received and amplified in the gate, delayed relative to the gate of sounding radio pulses for the time corresponding to actuating guidance of the radio fuse from the target, signal of the second Doppler frequency F2 is extracted, the frequency of which is greater than the value of the first Doppler frequency F1. Adaptation time T is set, during this time the level of amplification of received signals depending on the signal level deviation of the second Doppler frequency F2 from the threshold value is regulated, maintaining the signal level of the second Doppler frequency F2 less than the threshold value. After the efflux of adaptation time T, the level of amplification of received signals is recorded, signal level of the first Doppler frequency F1 is compared with the threshold value, if the threshold value is exceeded, the radio fuse is actuated.EFFECT: invention allows increasing noise immunity and reducing a probability of false actuating of the radio fuse.1 cl, 2 dwg

ethod of forming hyperspeed metal compact element and cumulative casting device for its implementation (versions) // 2603684
FIELD: physics.SUBSTANCE: invention relates to experimental physics and can be used for study of high-speed interaction of bodies. Method involves initiation of axially symmetric tubular explosive charge (EC), formation of cumulative jet under impact of Mach shock wave, followed by extraction of compact element from it. Two surfaces of shock wave (SW) are created during formation of Mach shock wave, which move at different angles in relation to axis of charge, wherein SW surface inclination angle is greater at charge axis than that on its periphery. Cumulative casting device in compliance, according to first version, comprises axially symmetric tubular explosive charge with coaxially installed insert inside it, initiation device with initiation points, arranged in circle on external side surface of EC, axial cumulative recess in form of hemisphere-cylinder. Insert is made in form of solid cylinder with axial conical groove on side of initiation device, inside groove conical insert is placed, acoustic stiffness of which is greater than acoustic stiffness of insert, directed with its top in direction of casting, and axial charge recess in form of hemisphere-cylinder is made on outer end of metal disc, fastened on free end surface of EC. In second version of proposed device charge recess is made in insert on side of free end surface of EC and it is coated with metal.EFFECT: invention enables research of high-speed interaction of cumulative element with obstacles in wide range of speeds.3 cl, 3 dwg

Explosive device and assembly method thereof // 2603671
FIELD: blasting operations.SUBSTANCE: invention relates to explosive equipment, to design of explosive devices. Device includes a main charge of explosive substance, a matrix of inert material with a network of branched detonating channels activated by an initiation source, and a protective layer of copolymer, which is adjacent to main explosive charge and is made of fluoroplastic with thickness δ, selected from following relationship: δ=(0.098-0.12)Δ, where Δ is matrix thickness in mm. Method of assembly comprises formation of main charge by charging housing with an explosive, placing matrix with a network of branched detonation cables and gluing on main explosive charge a protected layer of copolymer using an adhesive based on epoxy resins and plasticisers, wherein before gluing, method includes preliminary chemical treatment of glued surfaces of protective layer with an acidic solution of potassium permanganate and perchloric acid, prepared by dissolving said components in water heated to 50-60 °C, in following ratio (%); potassium permanganate - 10-12; perchloric acid - 3-4; water - balance.EFFECT: technical result of claimed invention is improvement of safety of device by increasing fire safety while maintaining operating performance.3 cl, 1 dwg

ethod for isolation of fragments of cumulative jet // 2603664
FIELD: physics.SUBSTANCE: invention relates to experimental physics and can be used jointly with throwing devices of cumulative type (KMU) when investigating high-speed interaction of bodies, for example, when simulating impact of meteorite-man made particles for protection of spacecraft. Method for isolation of fragments of cumulative jet, following compact element (CE) formed by means of cumulative throwing device (KMU), includes generation at output of KMU an asymmetric shock wave, diversing fragments of cumulative jet. Asymmetric shock wave is formed by fixed outside of KMU coaxially cumulative recess with specified gap relative to its end intercepting device in form of equipped with an asymmetric protrusion on side of KMU solid metal cylinder with longitudinal through channel with a recess made inside channel, wherein diameter of channel on side of end near to KMU is greater than diameter of channel on side of far end.EFFECT: method enables to select a single metal compact element with a stable shape.1 cl, 2 dwg

ethod of hyperspeed casting of metal element and cumulative casting device for its implementation // 2603660
FIELD: physics.SUBSTANCE: group of inventions relates to experimental physics. Method of hyperspeed casting of metal element, fixed on side of free end of tubular explosive charge (EC) opposite to charge initiation device, includes initiation of EC, formation of Mach shock wave. Two surfaces of shock wave (SW) are created during formation of Mach shock wave, which move at different angles in relation to axis of charge with SW surface inclination angle greater at charge axis than that on its periphery. Cumulative casting in compliance comprises axially symmetric tubular explosive charge (EC) with coaxially installed insert inside it, initiation device with initiation points, arranged in circle on external side surface of EC on side of one of its ends. Insert is made in form of solid cylinder with axial conical groove on side of initiation device and axial projection in form of truncated cone on opposite side, inside groove conical insert is placed, acoustic stiffness of which is greater than acoustic stiffness of insert, directed with its top in direction of casting. On end surface of EC opposite to initiation device metal washer is placed, in central hole of which cast metal element is fixed. Cast metal element can be made compact, in form of plate, plate can have different thickness.EFFECT: technical result is carrying out of experimental research of high-speed cast bodies of different shapes with use of smaller weight ECs.5 cl, 3 dwg

ethod for controlling pyro device blasting // 2603654
FIELD: rocket construction.SUBSTANCE: method for controlling pyro device blasting relates to electronic automation devices and can be widely used in rocket-and-space equipment (RSE), and when performing different types of blasting operations in national economy. In RSE pyro devices are used as actuators when starting the engines, separating ship compartments, opening antennae and other elements. Essence of the method consists in that during preparation for blasting group of pyro devices, blasting circuit parameters is measured and, according to the results of measurements, each capacitor in the blasting control circuit of the appropriate pyro device is charged to voltage, providing the same current pulse in the blasting circuit for all pyro devices.EFFECT: technical result is effective controlling the pyro device blasting control circuit state and guaranteed simultaneous blasting the group pyro devices, as well as reduced requirements to spread of parameters of blasting circuits and to characteristics of the power supply to provide blasting.1 cl, 2 dwg

Caliber shell of ammunition to weapon with curved barrel // 2603651
FIELD: military equipment.SUBSTANCE: invention relates to military area, in particular, to ammunition, mainly of up to caliber 12, to a gun with a barrel having a significant curvature. Caliber (D) composite shell of the ammunition to the gun with a curved barrel comprises interconnected, arranged in series to allow a mutual back turn striking elements (2, 3, 4) in the amount N of not less than two, in the form of caliber rotation bodies with a rounded ogival part of head element (2). All striking elements (2, 3, 4) are made hemispherical-convex in the front (radius +R), at least the first N-1 of the striking elements are additionally made hemispherical-concave in the rear (radius -R) forming equidistant in pairs coupled hemispherical surfaces. There is a number of additional structural features. Provided is expansion of technical and operational capabilities of the shell with its adaptation to the gun with a significant curvature of the barrel, lower cost of the shell due to unification, simplified conditions and technology of fast formation of the shell with whatever location of the center of gravity along its axis and/or striking properties. Reduced are energy losses, wear of the barrel and the probability of the shell jamming in the barrel.EFFECT: higher reliability and durability of the weapon, as well as safety in use.11 cl, 7 dwg

ethod of increasing accuracy of rifled arms and device of its implementation // 2603334
FIELD: weapons and ammunition.SUBSTANCE: invention relates to weapons, implementing tasks of improving accuracy of small arms, namely to methods of control of rotating bullet and shell of high-precision weapons. Method of increasing accuracy of rifled weapons comprises: connection of power supply to bullet flight control circuit, when firing, deviation of bullet from center of target highlighted with laser is fixed, converted signal with due allowance for gyroscopic effect of rotating bullet is transmitted to aerodynamic rudder drive in time intervals of rudder location perpendicularly to position-sensitive photo line. Structurally device has optical system, position-sensitive photo line (PL) with charge coupling, amplifier-normalizer, ramp voltage generator, sensor of control pulses, amplifier-normalizer of limiting device, sensor of control pulses, pulse counter, electronic switch, output of which is connected to input of aerodynamic rudder drive through amplifier-former.EFFECT: improvement of controllability of rotating bullet and higher accuracy of rifled arms due to implementation of bullet control throughout its flight from gun barrel to target.2 cl, 4 dwg

ethod of cumulative charge anisotropic coating producing // 2603327
FIELD: manufacturing technology.SUBSTANCE: invention relates to production of cumulative coatings, which can be used in perforation equipment for performing of perforating-explosive operations in oil production or shells or missiles warheads. Method involves making workpiece of cumulative coating shell part and fine turning of produced part fixed in lathe. Cumulative coating shell part workpiece is made by metal on crystallizer directed freezing-out, wherein crystallizer mold is made with outer surface shape, matching with cumulative coating inner surface shape. Molten metal is poured into matrix mold, crystallizer mold is immersed into melt and performing hollow shell workpiece build-up from molten metal onto cooled crystallizer-mold with simultaneous pressing. Holding crystallizer-mold in melt during time, sufficient for columnar crystals formation on it perpendicular to crystallizer-mold outer surface at given wall thickness with due allowance for machining. Mold forming internal outline is water-cooled crystallizer, and female die forming external coating outline is heated mold, which temperature is maintained by at least 5-10 degrees above melting curve. Mold with workpiece of cumulative coating shell part is removed from melt, cumulative coating workpiece is removed from crystallizer-mold and cooled down, for example, in air or in water, allowance from cumulative coating outer surface is removed. Cumulative coating material used is generally copper or copper-based alloys, aluminium or aluminium-based alloys, iron or iron-based alloys. Previously on crystallizer surface layer of electrolytic copper with thickness of 200-300 mcm is build-up by cathodic electrodeposition.EFFECT: invention increases charge piercing capacity and of penetration results stability.3 cl, 2 dwg, 1 tbl

ethod of remote controlled combat module parameters estimating and transformable system for its implementation // 2603177
FIELD: defense equipment.SUBSTANCE: invention relates to defense equipment, particularly to methods of remote controlled combat module parameters estimating. To implement method and perform estimating of remote controlled combat module parameters system is used, made with possibility to transform article connecting circuit and implementation of 8 circuits solutions. During circuit solutions implementation load equivalent is installed on rotary platform, article is switched on and required test is selected, then manipulations with rotary platform are performed. Transformable system for parameters estimating method implementing contains verification unit, article electrical system, electrical connectors and set of connecting cables.EFFECT: method of remote controlled combat module parameters estimating and transformable system for its implementation.2 cl, 8 dwg

Protective device for explosive objects isolation // 2603114
FIELD: blasting operations; protective devices.SUBSTANCE: invention relates to special equipment and can be used for suppression of fragmentation and high-explosive effects in explosions occurring as result of terrorist or criminal acts. Protective device (PD) for explosive objects isolation with rigid hollow walls and cover, is made dismountable in form of square in plan view of four and more rectangular walls in total amount of multiple 4 connected along perimeter by expandable fasteners. Length Ln+1 of each of following external four walls is determined from ratio Ln+1=Ln+2δ, where Ln is length of inner wall relative to defined outer δ is walls thickness. Walls are made hollow and filled with energy dissipating material. As fasteners at each wall one end and side surface are "Velcro" type connections. Fasteners are made in form of plastic clamps.EFFECT: invention allows improving protective device properties for isolating of high-explosive and fragmentation effects, especially for ED, located near wall or in corner.3 cl, 8 dwg

ethod of increasing efficiency of target destruction by fuel-air explosive weapon // 2602637
FIELD: military equipment.SUBSTANCE: invention relates to military equipment, in particular, to means of destruction of personnel located in shelters, hard points by a fuel-air explosive weapon. Method of increasing the weapon efficiency including a rocket, the ammunition load of which is formed by a single-phase fuel-air explosive mixture and is placed in a thin-walled casing. Ammunition load is equipped with a fuse and its actuation delay unit installed in the bottom part of the casing. Ammunition used comprises several cassettes, housings of which are filled with a fuel-air mixture, in flight the cassettes are stabilized by fins, the fuel-air mixture at their approach to the target is dispersed by actuation of dispersing charges providing its simultaneous detonation by initiating charges of each of the cassettes. Herewith mechanical connection between casings of the cassettes and electric connection between the dispersing and the initiating charges are provided by a wired communication line - a coupling.EFFECT: proposed method enables more effective destruction by a fuel-air explosive weapon of targets arranged in large areas due to more extensive distribution of the fuel-air mixture within the air space.1 cl, 2 dwg

Round for grenade launchers // 2602633
FIELD: weapons and ammunition.SUBSTANCE: invention relates to a round for underbarrel and automatic grenade launchers. Round for grenade launchers includes an installed in a case warhead, the housing of which from inside is equipped with a mesh of corrugations for a preset crushing into fragments, and a filled with a propellant charge combustion chamber made in the form of a fixed on the housing conical container with a diaphragm coated by a membrane in the smaller base arranged in the case receiver, above the fuse. Herewith the container is screwed to the stop onto a threaded bottom of the warhead housing, and its membrane is pressed into a groove of the diaphragm with a ring, which additionally has distributed punching. Herewith the container has a basing groove for the case neck rollup.EFFECT: technical result is improvement of functional reliability of a round for grenade launchers.1 cl, 3 dwg

ethod of blasting ores and rocks // 2602567
FIELD: mining.SUBSTANCE: invention relates to mining, is used in blasting ores and rocks with borehole explosive charges. Method involves drilling blast holes, their charging with explosive charges and blasting said explosive charges. Before drilling blast holes, method includes drilling pilot blasting wells, number and arrangement of which is determined based on broken volume and physical-mechanical properties of ores and rocks. Further, method comprises hydraulic fracturing of ores and rocks perpendicular to pilot explosive wells at elevation of bench bottom. Drilling of blast holes, charging thereof and pilot blast holes with explosive charges and blasting explosive charges therein is carried out after said hydraulic fracturing.EFFECT: preliminary separation of cut mass from ores and rock mass and avoiding formation of composite explosive charges in absence of subgrade drilling of blast holes.4 cl, 1 dwg

ethod for determination of explosion protection efficiency and device therefor // 2602552
FIELD: machine building.SUBSTANCE: invention relates to machine building and can be used for process equipment explosion protection. This is achieved by using monitoring system with processing of obtained information on hazardous zone in testing bay, where model of explosive object is installed, and along its internal and external perimeters video cameras are arranged for video monitoring of emergency situation development process during accident on explosive object, which is simulated by mounting explosive splintery element with explosion trigger in model, wherein video cameras are made in explosion-proof version, and outputs from video cameras are connected through spacers inner cavity to unit, by means of which change of process parameters in model is recorded and registered, then registering by means of system analyzers recorded processes waveforms, change of explosive object process parameters in model, and in model ceiling part opening is made, which is closed by explosion-proof element freely installed on three resilient pins, one end of each of which is rigidly fixed in model ceiling, at on second horizontal crossbar is fixed, between explosive fragmentation element and opening three-dimensional pressure sensor in explosion-proof design is installed, which output is connected to recording and registering equipment unit input, and at both sides of pressure transmitter temperature and humidity sensors are installed, controlling temperature and humidity conditions in model, which outputs are also connected to recording and registering equipment unit input, and model enclosures inner and outer surfaces are pasted with strain sensors, which outputs are also connected to recording and registering equipment unit input, after processing of obtained experimental data forming data base on emergency situation development in case of accident at explosive facility and drawing up mathematical model, forecasting emergency prevention in case of accident at explosive facility.EFFECT: improving protection efficiency of process equipment against explosions by increasing quick action and reliability of bursting elements operation.2 cl, 1 dwg

ethod for making moulded explosive charges and moving controlled molding head for implementation thereof // 2602541
FIELD: blasting operations.SUBSTANCE: invention relates to making moulded explosive (ES) charges. Method comprises filling the body with thin layers of the fused explosive, in series, one after another, after solidification of the previous layer. Process of solidification of each layer of the explosive is performed from the condition of deep mixture supercooling. Forming the explosive charge is performed continuously by means of moving, controlled molding head, its movement in horizontal and vertical planes is set based on the geometry of the charge and explosive charge is formed by thin horizontal layers, according to the mathematical charge model, loaded in the computer software, controlling the process, when each layer is formed, head or platform with the body are moved in vertical direction to the height equal to the layer thickness until the whole charge is formed. Movable controlled moulding head comprises a unit for supply of heated explosive melt and explosive melt cooling unit. Body of the melt supply unit is connected to control mechanism for movement and control of molding head directly in the area of forming layers inside the charge body.EFFECT: in addition to high quality of produced charge, homogeneous structure, high density and absence of porosity, method enables to completely automate the process and increases charge producing efficiency.2 cl, 1 tbl

Non-lethal action tubeless weapon cartridge // 2602527
FIELD: weapons and ammunition.SUBSTANCE: group of inventions to unitary cartridges for tubeless non-lethal action restricted damage weapon. Cartridge includes bullet, on bearing polymer base of which equipped with bottom undercut of conical shape, rubber head with metal filler is fixed, and case, equipped with electric igniter, interacting with propellant powder charge of gas generator arranged in case receiver. Novelty is that head rubber part with flat ends, which filling is made in form of distributed metal powder, is fixed on polymer base central corrugated rod, made cylindrical for abutment to case, and gas generator is equipped with stiffeners, where throttling axial hole is formed, wherein polymer base conical undercut diameter is not less than 0.7 gauge. According to second version, bullet is monolithic.EFFECT: technical result consists in improvement of cartridge operating reliability.2 cl, 2 dwg

ethod of firing jet projectiles multiple artillery rocket system in counter-battery conditions // 2602162
FIELD: military equipment.SUBSTANCE: invention relates to military equipment and can be used in jet valley fire systems (MARS). Method comprises guiding launcher (L) in horizontal plane in direction of target, lifting guides with rocket missiles (RS) through preset angle starting in vertical plane (VP), estimating time (WS) of flight in system of independent flight path correction (SAKT) PC at initial section of path, including solid rocket engine start is PC at small angle in the IP at initial section of flight trajectory (UTV) PC taking into account technical characteristics of PU and relief arrangement PU, PC is transferred to a new path with large angle in VP after expiry of WS considering conditions of non-detection PC at initial section of trajectory of radar station counter-battery control (CBS) of enemy PC is launched with subsequent according to preset flight ballistic trajectory, simulating start of PC of fictitious point spaced from LS at a safe distance, excluding damage PU enemy artillery fire by results of locating radar station CBS start position MARS controlled pitch and yaw angles PC with help of gas-dynamic rudders by commands from SAKT PC depending on safe flight altitude of PC, which prevents detection by radar CBS, removal of PU from radar station from front line, minimum angle of view of radar station CBS branch of apparent start angle, angle of start PC branch PC speed vector angle corrections to angle of start PC, PC flight speed, permissible overload PC branch of free fall acceleration, hit target.EFFECT: higher efficiency of firing MARS.1 cl, 2 dwg

Rotary stabiliser of guided missile // 2601889
FIELD: weapons and ammunition.SUBSTANCE: invention relates to stabilisation of ammunition, specifically to rotary stabiliser of guided missile. Includes a body with folding blades and locking device. Body is articulated with rocket body of rolling support. Latter is composed of two bearings, front and rear. Bearings include balls installed in separators, split rings from wire of round section, installed in corners of rectangular grooves on bodies of stabiliser and missile. Grooves are formed by rear bearing bores of bodies of stabiliser and missile and ends of ring nuts. One of nuts is made with possibility of adjustment of gaps in bearing. Front bearing is made with possibility of self-installation of body of stabiliser by introducing support ring installed in its bore.EFFECT: allows to reduce radial dimensions of rolling support, simplified design of rotary stabiliser.1 cl, 3 dwg

Device for initiation of explosive charges // 2601845
FIELD: blasting operations.SUBSTANCE: invention relates to initiation of charges of explosive substances (ES). Device contains initiated light-sensitive ES, light source with power supply, wherein light-sensitive ES is connected to light source with optical bundle; and light source is laser diode, connected to power supply through controllable electronic switch with current stabilization.EFFECT: higher safety during blasting operations.1 cl, 1 dwg

ethod of tape fitting by ammunition and device for its implementation // 2601706
FIELD: weapons and ammunition.SUBSTANCE: invention relates to fitting of tapes by ammunition. Method of tape fitting by ammunition consists in placing on the upper tray, having inclination to a gauge measuring bore, of ammunition, rolling of ammunition, by gravity force, along the upper tray to the gauge measuring bore, filling of the gauge measuring bore free seat by the lower ammunition, placing of an empty tape on the lower tray, introduction of the tape first link to the tape guides, rotation of the handle with the gauge measuring bore and ammunition, located in the seat relative to the housing, which process includes introduction of ammunition by the gauge measuring bore located in the seat between link grippers, arranged in guide tapes, unlocking of link grippers by ammunition, grip by the ammunition link, drawing by ammunition gripped by the link, the tape along the tape guides, withdrawal by the link arranged in the tape guides of captured ammunition from the gauge measuring bore seat. Ammunition is arranged with a possibility to slide along at least one guide, smoothly changes into a ledge, and up to the moment of ammunition grip by the link tape, it is displaced along its axis by means of the ledge. Filling machine machine consists of a housing, upper tray for ammunition placement, lower tray for the empty tape placement, gauge measuring bore with handle for charging and moving the tape with ammunition, tape guide. On the inner side of the housing wall, along which ammunition is placed with a possibility to move by its bottom part, there is at least one guide smoothly continued in the ledge, height of which corresponds to the difference in length of the fit ammunition in the tape.EFFECT: increase in ammunition fixation reliability in the tape of automatic firearms is achieved.4 cl, 4 dwg

Bullet // 2601699
FIELD: weapons and ammunition.SUBSTANCE: invention relates to bullets of hunting cartridges for rifled weapon firing at animal weighing more than 100 kg, mainly of gross representatives of Big African Five, as well as a bear, a moose, a boar, etc. Bullet includes a head and a tail cores sequentially arranged in a shell having an ogival nose part adjacent to the head core, a leading part and a skewed at an angle rear part adjacent to the tail core, and prior to the head core there is a cavity. Head core has a Brinell hardness value smaller than that of the tail core, herewith the ratio of their masses is 0.53-0.58 and that of the specific weights is 1.05-0.95. Bullet provides high precision and maximum penetration and expanding action.EFFECT: invention enables higher efficiency of firing at optimal for this type of hunting distance and reducing the number of wounded animals.1 cl, 1 dwg

ethod of fragmentation explosives detecting // 2601667
FIELD: safety.SUBSTANCE: invention relates to counter-terrorism field and can be used in object protection systems. Method of fragmentation explosives detecting is based on non-linear radar ranging method and involves irradiation with UHF electromagnetic probing field and reflected signal spectrum new components recording. Irradiation is performed at two proximate, but not equal frequencies. Recording is carried out on one of third-order combination frequencies, which is less than values of radiated signals two frequencies. All frequencies are taken in explosive device resonant scattering range. Polarization of probing UHF signals is taken rotating with identical direction of rotation, and recording of reflected UHF signal on third-order combination frequency is performed using opposite direction of rotation.EFFECT: technical result is increased range of fragmentation explosives detecting.1 cl, 1 dwg

Common full adjustable charge for 82-mm mortar round // 2601662
FIELD: weapons and ammunition.SUBSTANCE: invention relates to weapons, namely to a common full adjustable charge (CFAC) for 3VO36 round for 2B24 82-mm mortar. It includes an additional charge (AC) from modified pyroxiline powder (PP) in rigid combustible powder bags (RCPB) arranged on the mine tail tube. It also contains the main charge from thin-arch fine-grained phlegmatized PP in a paper case with a metal sleeve. Latter contains an igniter. Main charge is arranged in a perforated mine tail tube. RCPB has a U-shape with fixing elements providing its reliable fixation on the mine tail tube. In the RCPB there is a modified PP with low dependence of combustion rate of on pressure (exponent ν in the combustion rate law makes 0.55÷0.65 within the pressure range of 20÷80 MPa). Herewith the powder is made as a single-channel grain with the ratio of grain diameter (dg) to its length (L) of 0.4÷0.6 and the ratio of channel diameter (dc) to the thickness of the burning arch (2e1) of 0.2÷0.4.EFFECT: provided are increased firing power of mortar systems; increased the capacity of powder in charge.1 cl, 1 dwg, 3 tbl

Remote installation antivehicular fragmentation mine (versions) // 2601646
FIELD: weapons and ammunition.SUBSTANCE: remote installation antivehicular fragmentation mine comprises protective shell, fragmentation warhead, mine with spring tabs on ground installation device, parachute, spread cartridge, noncontact explosion device, acoustic and seismic target sensors, safety-arming device, mine operating modes setting device, seismic sensor in soil introduction device. For mine safety at landing and its axis vertical orientation between base and bottom of protective shell hollow piston with supercharging powder cartridge and system of throttling orifices are included, bleed valve, outlet holes system, and mine on soil setting device includes support, two-axis inclinometer, lifters in form of cylinder with piston and rod fixed on base, which is articulated with support, between piston and cylinder there is end position retainer, cylinder is plugged with elevator powder cartridge. To preserve serviceability seismic sensor is located inside pipe with leader at bottom of which magnet is fixed. To increase safety in handling protection stage is included, based on mine operating modes setting device operation. To increase mine noise immunity included are high-frequency channel including seismic or acoustic target sensor, band amplifier, detector, integrator, threshold device, “2AND” logic circuit.EFFECT: invention is intended for defeating enemy moving objects and personnel.9 cl, 5 dwg

Contact or contactless, or mixed type blasting device (versions) // 2600945
FIELD: blasting operations.SUBSTANCE: invention relates to blasting operations, to initiation devices. Contact blasting device, including power supply installed inside housing, blasting mechanism and electronics unit, is characterized by that housing comprises set of seats and guides for launching ammunition rigidly fixed on common base, and in electronics unit additionally introduced objects in affected area location determining device, signal receiver, signal decoder, identification signals contact and contactless encoding unit for PA blasting, encoded and incoming signals conformity comparator unit, explosion signal delay unit, ignition device, applied is conventional or fibre-optic cable. Device is also characterized by fact that electronics unit includes spark plug and/or explosion initiation mechanical device. Contactless blasting device, including power supply installed inside housing, blasting mechanism and electronics unit is characterized by, that housing comprises set of seats and guides for launching ammunition rigidly fixed on common base, and made with possibility of actuation from built-in microphone, breloque, TV panel, and electronics unit additionally includes signal receiver, signal decoder, encoded and incoming signals conformity comparator unit, explosion signal delay unit, ignition device. Device is characterized by fact that contactless explosion initiation device is used. Mixed type blasting device, including power supply installed inside housing, blasting mechanism and electronics unit, providing preliminary introduction of code signal, its reception and recognition and/or with possibility of using conventional or fibre-optic cable, is characterized by fact that, body is made in form of multiple use platform with set of seats and guides for PA launching rigidly fixed on platform, PA contains charge and ignition system, and electronics unit additionally includes signal receiver, signal decoder, encoded and incoming signals conformity comparator unit, explosion signal delay unit, ignition device. Device is characterized by fact that PA contains ignition device using spark plug, and/or mechanical, and/or contactless blasting initiation device.EFFECT: invention allows to ensure increased safety when used in blasting designs of domestic and industrial use pyrotechnic articles.6 cl, 1 dwg

Stemming machine for formation of short combined stemming of blast holes with stone material // 2600474
FIELD: mining.SUBSTANCE: invention relates to drilling and blasting operations and can be used in various industries, using explosive loosening of rock massifs. In stemming machine for formation of short combined stemming of blast holes with stone material, equipped with hydraulic grab-manipulator and two hoppers with heating and vibration of walls, on bottoms of which there are plate-type feeders, feeding stemming material, according to invention, fine and lumpy materials are placed in different hoppers, and are fed to a common rotary chute pivoted in lower part of hoppers.EFFECT: higher efficiency and reduced labour intensiveness of works during formation of short combined stemming of wells by mechanising process of arrangement of stemming material.1 cl, 3 dwg

Functional rifle cartridge // 2600371
FIELD: military equipment.SUBSTANCE: invention relates to weapons, specifically to functional rifle cartridges. Comprises a case with fuse, blow-out powder charge, a polymer wad container. Wad container consists of two coaxially attached internal and external cylinders, and is covered by a cross bar, on which is rolled open end of sleeve. Outer cylinder carrying pyrotechnic equipment, is solid and is tautly adjacent to sleeve. Outer cylinder is mounted on cardboard tube forming expansion prechamber. Inner cylinder is open-ended. Inner cylinder is filled with firing cord interacting with bulk pyrotechnic composition of sound action, sealed by covering cross bar in form of stepped cover. Cover is geometrically closed with container. Flow section of internal through cylinder of wad container makes half diameter of its ignition hole adjacent to a functional charged of outer cylinder, longer firing distance.EFFECT: generates sound effect on flight range of charged container.1 cl, 1 dwg
 
2550870.
Up!