Abstract: A steam-based faux fireplace comprising a boiler configured to receive a fluid and generate steam, and a manifold configured to receive the steam from the boiler and emit the steam to generate a steam plume at an output. The manifold has a conduit configured to route the fluid about the manifold to heat the fluid before being routed to the boiler. The manifold is already heated due to the emitted steam. This configuration pre-heats the fluid before being presented to the boiler, allowing a smaller low power boiler to be used because the manifold acts as a fluid pre-heater. A very realistic faux flame with a significant length is generated from the low power boiler. In addition, the manifold includes a deflector configured to receive the impinging steam from the output, causing the steam to lose some energy and billow about the deflector and then illuminated to create a realistically looking flame.

Abstract: A fragment-free propulsion of a cartridge-type ammunition, including a propellant casing and a high-pressure chamber, wherein the high-pressure chamber accommodates a propellant powder and, in the bottom region, a primer, having at least one overflow bore. To avoid fragments, a membrane, which separates the high-pressure chamber and a low-pressure chamber from one another and which does not tear to connect the high-pressure chamber to the low-pressure chamber when pressure is built up but instead is bent, is embedded in the high-pressure chamber. For this purpose, the high-pressure chamber additionally has a cap, the membrane, and a body. The membrane is embedded in the body and is secured by the cap. In addition, the membrane covers a gap that is formed by an outer diameter of the cap and an inner diameter of the body, and into which the membrane is bent when pressure is built up.

Abstract: Systems and methods for modifying an infrared signature of a vehicle are provided. A method may include producing an aerosol cloud proximate the vehicle. The method may further include determining one or more characteristics of the aerosol cloud. The method may also include determining a projection plane within the aerosol cloud based on the aerosol cloud characteristics for projecting a representation of the object. The method may additionally include providing heat at particles in the projection plane of the aerosol cloud to generate the object representation.

Abstract: The present specification discloses an entertainment/educational system having one or more interactive stations having associated systems comprising apparatus and activities that demonstrate various physical phenomenon. Each interactive station comprises a different system featuring differing apparatus that provides users the ability to form various types and numbers of bubbles that the users can experience and interact with. User progression and interaction with a particular set of/order of interactive stations is correlated with lessons about physical phenomena exemplified by the bubbles made at a particular station of the total stations visited. The lessons may be further enhanced by information provided to users via a poster, handout, booklet or other informative media or information provided by a guide/attendant escorting user(s) through the set of stations.

Abstract: In order to obtain an explosive smoke grenade, which can be fired from a portable anti-tank weapon, in particular a recoilless infantry weapon, and permits an enemy position or a vehicle to be fogged as quickly as possible, so that the enemy has only a very limited radius of action, a explosive smoke grenade is provided with a time fuse that can be programmed such that the burst charge detonates in the direct vicinity of the enemy position but before the grenade has reached the ground, and releases the smoke-generating active material. In addition, the pyrotechnic active substance arranged between the burst charge and the grenade casing is formed of a plurality of film strips, which are coated with a red-phosphorus-containing incendiary composition (flares). For this purpose, the dimensions of the flares are selected such that they generate a visibility barrier in both the visible and the infrared wavelength regions.

Abstract: The present invention is directed to a novel, low-toxicity and environmentally-friendly violet smoke generating composition. The composition comprises a mixture of at least one red dye and at least one blue dye, a coolant, an oxidizer, a binder, and a non-sulfur particulate fuel that is also a burn-control agent having two different particle size distributions. Preferably the fuel comprises a mixture of granulated sucrose and sucrose 10×.

Abstract: A pyrotechnic composition includes a fuel, an oxidizer, flow and rate control agents and oleoresin capsicum as an irritant. The composition is useful in crowd control products. The composition contains rate control ingredients to maintain combustion at a temperature below the point of degradation of the oleoresin capsicum, balanced with a booster material to maintain combustion.

Abstract: An apparatus includes at least one transmitter configured to transmit wireless signals that heat objects in a scene and cause the objects to radiate thermal energy and create a pattern of thermal radiation in the scene. The apparatus also includes at least one controller configured to control the at least one transmitter in order to control the creation of the pattern of thermal radiation in the scene. The pattern of thermal radiation in the scene could include a camouflage pattern that increases clutter in an infrared image of the scene, at least one temporary infrared marker, or at least one false shape in an infrared image of the scene. The pattern of thermal radiation in the scene could reduce a contrast between a cold infrared background in the scene and one or more targets in the scene.

Abstract: A mixture and method of creating the mixture includes mixing hexachloroethane, stannous oxide, and aluminum together. The mixture may be loaded into at least one canister. The mixture may be combusted to create a smoke screen. The loading of the mixture into the at least one canister may include pressurized loading at loading pressures in the range of approximately 2300 psi to 3600 psi. The hexachloroethane may include approximately 30-40 parts by weight of the mixture and have a particle size of approximately less than 850 ?m. The stannous oxide may include approximately 55-65 parts by weight of the mixture and have a particle size of approximately less than 150 ?m. The aluminum may include approximately 5-10 parts by weight of the mixture and have a particle size of approximately less than 45 ?m. The mixture is devoid of zinc chloride.

Abstract: A visual obscurant system for obscuring object from an observer having a field of view (FOV) is disclosed. The system comprises a sensor for detecting characteristics that indicate a presence of the object, a light source for emitting light in an electromagnetic spectrum, a source, and a controller. The source releases an obscurant into atmosphere to create a cloud. The obscurant attenuates a portion of the electromagnetic spectrum. The cloud is positioned within the FOV of the observer so as to obscure the object when the light emitted from the light source is directed towards the cloud. The controller is in communication with at least the sensor and the source. The controller modulates the light source at a frequency sufficient such that the observer interprets the light as being constant when energized.

Abstract: A fireworks aerial display shell is provided with multiple casings of cylindrical configuration that are joined together in end-to-end relationship. Each casing defines an interior volume in which an effects charge is packed. A plug is positioned between the effects charges and has an opening through which an ignition source passes to ignite one of the effects charges as a result of burning of another of the effects charges. An outer casing may surround at least parts of the multiple cylindrical casings and includes multiple partially ball-shaped segments.

Abstract: The life-saving equipment for unmanned air vehicles includes a container with an opening, a parachute, consisting of a parachute canopy, suspension lines and a harness, where the parachute can be folded inside the container, a stopper which divides the inner space of the container into the combustion chamber and the storage chamber for storing the parachute, where the storage chamber is arranged between the stopper and the container opening and where the stopper is designed to be slid out of the container through the opening, and a gas pyro actuator placed in the combustion chamber and connectable to the activation line.

Abstract: A method of deploying an apparatus in a wellbore comprises positioning a device at a predetermined location; wherein the device comprises a composition that contains an expandable graphite, and a metallic binder, and wherein the composition has a first shape; and exposing the composition to a microwave energy to cause the composition to attain a second shape different from the first shape. Alternatively, the composition further comprises an activation material comprising a thermite, a mixture of Al and Ni, or a combination comprising at least one of the foregoing and a method of deploying an apparatus comprising such a composition includes exposing the composition to a selected form of energy.

Abstract: The present invention provides a smoke screen generator with a high diffusion rate of a smoke screen. Openings at both ends of a cylindrical housing are closed by a first closure 20 including an igniter and a second closure 30 having a smoke screen source discharge port 38 respectively. A porous cylindrical body 50 is arranged between the first closure 20 and the second closure 30. When an igniter 5 is actuated, a smoke screen generating agent 56 in a smoke screen generating agent-accommodating chamber 55 is ignited and burned, and a smoke screen source is generated. The smoke screen source moves and passes through the porous cylindrical body 50 and, after passing through a smoke screen source discharge port 38, the smoke screen source is discharged to the outside to generate a smoke screen.

Abstract: A mixture and method of creating the mixture includes mixing hexachloroethane, stannous oxide, and aluminum together. The mixture may be loaded into at least one canister. The mixture may be combusted to create a smoke screen. The loading of the mixture into the at least one canister may include pressurized loading at loading pressures in the range of approximately 2300 psi to 3600 psi. The hexachloroethane may include approximately 30-40 parts by weight of the mixture and have a particle size of approximately less than 850 ?m. The stannous oxide may include approximately 55-65 parts by weight of the mixture and have a particle size of approximately less than 150 ?m. The aluminum may include approximately 5-10 parts by weight of the mixture and have a particle size of approximately less than 45 ?m. The mixture is devoid of zinc chloride.

Abstract: A disposable indicator for use with an arrow or crossbow bolt comprising a substrate and a chemical indicator material capable of detecting and visually indicating chemical properties of a bodily fluid wiped from the arrow by a change in color. Chemical indicating materials may be selected to indicates a variety of bodily fluid chemical properties using pH, enzyme, or detection of other bodily compounds. The indicator provides an immediate indication of the portions of the animal's body through which the arrow or bolt passed, enabling the hunter to determine the type of shot and how best to track the wounded animal. An additional benefit is that the substrate can be used to clean the arrow or bolt in additional to providing a chemical shot indication.

Abstract: A stun grenade includes a cartridge having an explosive charge in communication with a fuse and a housing including a closed end, an open end, a longitudinal axis and including an internal cavity which accommodates the cartridge. An end cap is attachable to the open end of the housing, the end cap including an end wall and a side wall. A plurality of spaced first vents are defined in the end wall of the end cap. A plurality of spaced second vents is defined in an end wall of the housing. The output from an explosive charge is optimized by vents having a straight flow path. The vents have a first end in fluid communication with the cavity and a second end in fluid communication with an exterior periphery of the housing.

Abstract: A fireworks aerial display shell is provided with multiple casings of cylindrical configuration that are joined together in end-to-end relationship. Each casing defines an interior volume in which an effects charge is packed. A plug is positioned between the effects charges and has an opening through which an ignition source passes to ignite one of the effects charges as a result of burning of another of the effects charges. An outer casing may surround at least parts of the multiple cylindrical casings and includes multiple partially ball-shaped segments.

Abstract: An arrow or bolt comprising of an indicator that will chemically indicate the fluids that have come into contact with the arrow as it has passed through the animal. The indicator may comprise a treated substrate that chemically reacts with bodily fluids of the animal as the arrow or bolt passes through the animal to provide an indication of the acidity thereof. The chemical indicator may be attached to the arrow allowing a user to reuse the arrow by simply removing a used indicator and replacing with an unused chemical indicator. Alternatively, a portion of the arrow or bolt may be provided with an absorptive neutral substrate on which a reusable chemical indicator dye could be applied. The substrate could be cleaned following use and the indicator dye reapplied to enable reuse of the arrow or bolt.

Abstract: A device for launching fireworks, the device includes: a plastic plug and a locking base. The plastic plug includes: a resistance heating wire, a slot for accommodating the resistance heating wire, two metal conductors, two plate-like electrodes, and an upper clamping structure. The locking base includes: a lower clamping structure, two spring electrodes, and a circuit connecting socket. The top of the plastic plug is provided with the slot for accommodating the resistance heating wire. The resistance heating wire is fixed in the slot for accommodating the resistance heating wire and two ends of the resistance heating wire are electronically connected with one ends of the two metal conductors. The other ends of the two metal conductors are respectively electronically connected with the two plate-like electrodes and fixed at a bottom of the plastic plug. The bottom of the plastic plug is provided with the upper clamping structure.

Abstract: A cable system is disclosed including a central cable; an inner membrane having a higher minimum bend radius than the central cable and surrounding the cable, thereby forming an inner chamber around the central cable, the inner chamber containing a gas or at least one chemical; and an outer membrane surrounding the inner membrane and forming an outer chamber around the inner chamber, the outer chamber comprising a gas or at least one chemical. When the minimum bend radius of the inner membrane is exceeded, the inner membrane fractures or breaks, and the gas or at least one chemical from the inner chamber enters the outer chamber to create a chemiluminescence reaction, color, or smell.

Abstract: An olfactory training device and method replicating one or more aromas typical of any man-caused or natural incident or accident, especially such aromas accompanied by or originating in open, smoldering, or smoking fire. Such aromas may originate from burning tissue, bones, cartilage, or other bodily materials. Such burning aromas may also originate from other synthetic or natural materials. One or more such olfactory training devices may be dispersed in a manner to engage the olfactory-sensory system of a trainee. The olfactory training device may be classroom-deployed, field-deployed, laboratory-deployed, or deployed via any type of setting-deployable training device or protocol.

Abstract: A flameless smoke pot and a method of generating smoke using the smoke pot. The smoke pot includes a casing having a side wall with an inlet openings and containing a plurality of perforated tubes containing red phosphorous pellets. A heat generating pyrotechnic composition is disposed at a first end of the casing to generate heat which flows through the perforated tubes containing red phosphorous pellets to produce white phosphoric acid clouds of smoke. The white phosphoric acid clouds of smoke are combined with atmospheric an containing water to generate the white phosphoric acid clouds of aerosol smoke. The white phosphoric acid clouds of aerosol smoke are directed through a perforated flame arrester whereby visible flame is prevented from being created.

Abstract: The invention relates to a method of controlling a smoke generator. The smoke generator is adapted to be connected to a supply of a pressurized gas and a supply of a smoke fluid and further comprises a valve to regulate the pressure of the gas, a fluid driving means, a mixing unit for mixing the smoke fluid and the gas, and a heat exchanger heating the mixture of the pressurized gas and the smoke fluid to vaporize the smoke fluid and form a smoke upon ejection into surrounding air. The control method according to the invention then comprises the steps of receiving a smoke density parameter indicative of a desired amount of smoke to be generated by the smoke generator, measuring a gas pressure at a position between the valve and the heat exchanger, and using these parameters in controlling the valve. The invention further relates to a smoke generator arranged for performing the control method.

Abstract: Here is disclosed a reusable pneumatic distraction device having a housing which encloses a first and a second gas reservoir which are configured to contain a quantity of high and low pressure gas, respectively. A valve member seals off an exhaust in the first gas reservoir, the valve member movable between a closed position sealing the exhaust and an open position. The device also includes a pneumatic drive for urging the valve towards its opened position. The pneumatic drive configured to apply a lower urging force followed by a larger urging force as the valve opens. The device is also provided with a lock pin releasably coupled to the valve for preventing the valve from moving towards its open position. Finally, the device includes a delay mechanism to delay the opening of the piston when the lock pin is released.

Abstract: A launched smoke grenade has a body having a hollow interior that contains an active grenade material and a bullet trap element formed of an inert material, the body defining a muzzle receptacle bore that is adapted to receive a rifle muzzle, the active grenade material defining a cavity, and the bullet trap element having at least a forward portion received in the cavity. The active grenade material may include a smoke generation component and an ignition component. There may be a bullet suppressing material positioned between the rifle muzzle and the inert material. The bullet suppressing material and the inert material may be made of different materials.

Abstract: A colored pyrotechnic smoke-producing composition has an oxidizer, a fuel, a flame retardant, a dye, a coolant, and a binder. The oxidizer may be potassium chlorate. The fuel may be starch, dextrose, lactose, and/or sucrose. The coolant may be sodium bicarbonate or magnesium carbonate. The binder may be nitrocellulose or a halogen-free thermoplastic. The flame retardant may be one or more nitrogen-rich compounds. The composition may be in pelletized form or in the form of a solid charge. The composition may consist of on a mass basis oxidizer 20-35%, fuel 15-25%, flame retardant 5-15%, dye 27-40%, coolant 8-18%, and binder 1-2%. The invention may be a device consisting of a body filled with the composition and a first fire starter composition, and an attached squib igniter. The body may be a grenade. A process for producing the composition is also disclosed.

Abstract: An active body is provided that includes at least one active mass block made of monobasic or polybasic high-energy materials such as a nitrocellulose mixture, for example, comprising approximately 60 percent nitroglycerin and 40 percent diethylene glycol dinitrate, which is provided with structures both on a surface and on an interior. In addition, the inner structures can be filled with an active mass substance. The ignition is triggered by a pyrotechnical primer composition, which initiates the active body, preferably from the inside.

Abstract: A launched smoke grenade has a cartridge case having a hollow interior that receives a primer and a propellant, a projectile received by the cartridge case, and the projectile including a smoke generation component and an ignition component. The smoke generation component and the ignition component may be separated by a barrier prior to admission of the ignition component. The ignition component may burn through the barrier to ignite the smoke generation component. The smoke generation component may include hexachloroethane. The propellant may be black powder or smokeless powder.

Abstract: The invention provides a gas generator for a restraining apparatus, including: a housing an ignition device, and a gas generating agent accommodated in the housing, and a cup-shaped container having a flame-transferring hole in a circumferential wall and being disposed on a tubular igniter-fixing portion of the housing to form an ignition device chamber accommodating the ignition device, the cup-shaped container having a plurality of protruding portions protruding inward in the radial direction from the circumferential wall portion, the tubular igniter-fixing portion having a recess on an outer surface, at least a distal end portion of the protruding portion engaging with an inner wall surface of the recess to block an axial movement of the cup-shaped container.

Abstract: A flameless smoke pot and a method of generating smoke using the smoke pot. The smoke pot includes a casing having a side wall with air inlet openings and containing a plurality of perforated tubes containing red phosphorous pellets. A heat generating pyrotechnic composition is disposed at a first end of the casing to generate heat which flows through the perforated tubes containing red phosphorous pellets to produce white phosphoric acid clouds of smoke. The white phosphoric acid clouds of smoke are combined with atmospheric air containing water to generate the white phosphoric acid clouds of aerosol smoke. The white phosphoric acid clouds of aerosol smoke are directed through a perforated flame arrester whereby visible flame is prevented from being created.

Abstract: Here is disclosed a reusable pneumatic distraction device having a housing which encloses a first and a second gas reservoir which are configured to contain a quantity of high and low pressure gas, respectively. A valve member seals off an exhaust in the first gas reservoir, the valve member movable between a closed position sealing the exhaust and an open position. The device also includes a pneumatic drive for urging the valve towards its opened position. The pneumatic drive configured to apply a lower urging force followed by a larger urging force as the valve opens. The device is also provided with a lock pin releasably coupled to the valve for preventing the valve from moving towards its open position. Finally, the device includes a delay mechanism to delay the opening of the piston when the lock pin is released.

Abstract: An activation unit for explosive masses or explosive bodies includes an ejector tube and high-performance heating elements mounted around the ejector tube, each made of at least one heating wire supplied with electrical power by a control unit. Each heating wire is enclosed in a casing and embedded in a material minimizing heat loss. When the explosive body is passed through the activation unit, the jacket surface of the explosive body contacts the individual elements of the activation unit in a direct or non-contact manner. Thermal energy is transferred to the explosive body by means of the heating wires, and the body ignites at the contact points. A further activation unit includes heating elements in the ejector tube, at least partially fed longitudinally through the ejector tube, made of heating wire clad with CrNi steel and contact plates soldered thereto.

Abstract: A weapon system including a weapon, and methods of manufacturing and operating the same. In one embodiment, the weapon includes a guidance section in a front section of the weapon, and a signal cartridge assembly behind the front section and including a signal cartridge configured to provide a signal indicating a location of impact for the weapon.

Abstract: A smoke producing method and device of the present disclosure produces a non-incendiary, organic-polymerization based, smoke-producing reaction. The method of generating smoke comprises initiating a frontal polymerization reaction by heating a composition comprising a monomer compound that exothermically polymerizes upon initiation with an initiator compound and an initiator compound that initiates polymerization of the monomer compound present at a mass concentration that is at least five percent of the mass concentration of the monomer compound. The polymerization of the monomer compound is exothermic, and in one embodiment the concentration of initiator compound is at least five percent of the concentration of monomer compound. The smoke mainly comprises thermal decomposition products of the initiator compound.

Abstract: A launched smoke grenade has a body having a hollow interior that contains an active grenade material and a bullet trap element formed of an inert material, the body defining a muzzle receptacle bore that is adapted to receive a rifle muzzle, the active grenade material defining a cavity, and the bullet trap element having at least a forward portion received in the cavity. The active grenade material may include a smoke generation component and an ignition component. There may be a bullet suppressing material positioned between the rifle muzzle and the inert material. The bullet suppressing material and the inert material may be made of different materials.

Abstract: A launched smoke grenade has a cartridge case having a hollow interior that receives a primer and a propellant, a projectile received by the cartridge case, and the projectile including a smoke generation component and an ignition component. The smoke generation component and the ignition component may be separated by a barrier prior to admission of the ignition component. The ignition component may burn through the barrier to ignite the smoke generation component. The smoke generation component may include hexachloroethane. The propellant may be black powder or smokeless powder.

Abstract: A forty millimeter caliber exercise bullet has been improved for properly exploding on a target, and securely maintaining the unloaded status during ordinary time. The improved exercise bullet is comprised of: a skirt (200), a striking pin (10), a safety device assembly (300) consisting of a detent cover (310) with a central mounting groove (311) and a pair of mounting grooves (312), a detent (320) for retaining the striking pin (10) by engaging or disengaging into the circumferential groove (11) by springs (323), a detonator cap (330) forming a hollow pocket (331) to insert a detonator trigger (20), a washer (30), a press-spring (332) for pressing a guiding cap (340), an explosion pipe (400), a smoke shell (500), and an ogive (600). When the bullet is fired, the rotation of the bullet generates centrifugal force to slide the retainer outward for disengaging the circumferential groove. Then, the striking pin moves upward to impact the detonator trigger when it hit on the target.

Abstract: A multiple output and effect grenade is provided, in which an exothermic delay column is utilized to initiate a series of primers via the application of heat to the strike faces thereof, thereby providing a reliable and relatively safe grenade to ship and store. In particular, a multiple output and effect grenade comprised of an exothermic delay column disposed within a central cavity, operable to initiate a series of primers disposed in primer cavities located within the main body of the grenade. The primer cavities may be arranged in a symmetrical or asymmetrical configuration, so as to produce a firing signature resembling an automatic weapon or random gunfire, respectively. In addition, effect charges, such as illuminants, sound agents, chemical irritants, etc., may be disposed within the primer cavities, as desired by the user.

Abstract: This disclosure provides for payload delivery systems and cartridges and methods that incorporate the payload delivery systems. The payload delivery system can comprise a stabilizer having a longitudinally cut side wall defining a series of vanes that are folded forward in the pre-launched configuration. Other aspects combine a payload cup nested within the forward folding stabilizer. Still other aspects integrate the payload portion and the stabilizer portion into a single piece that constitutes a stabilized payload cup. The disclosed cartridges can be used to deliver payloads such as solid projectiles, shot of all sizes, powders, gels, liquids, and other payloads to exploit their specific function.

Abstract: This disclosure provides for payload delivery systems and cartridges and methods that incorporate these payload delivery systems. In one aspect, the payload delivery system can comprise a payload cup and a pleated cup nested within the payload cup and having a pleated side wall. The disclosed cartridges can be used to deliver payloads such as solid projectiles, shot of all sizes, powders, gels, liquids, and other payloads to exploit their specific function.

Abstract: A plastic-bonded pyrotechnical mixture is provided that includes at least one oxidatizer, one carbonate and/or phosphate from the group of alkali metals or earth alkali metals, a chlorinated rubber and a softener. An additional bonding agent and/or graphite can be added thereto as needed. The oxidatizer can be a perchlorate or a mixture of perchlorates from the group of alkali metals or earth alkali metals, or alternatively, ammonium perchlorates can also be integrated as an oxidatizer. The softener is an organic substance or substance mixture from the group of adipates or phthalates, or can be an organic phosphoric acid ester or a phosphoric acid ester mixture. As an additional bonding agent, an organic titanate or an organic titanate mixture is preferred. All components are mixed with one another at such a ratio that a neutral smoke in the pH range of 5-7 (bases on aerosol) is created.

Abstract: A multiple output and effect grenade is provided, in which an exothermic delay column is utilized to initiate a series of primers via the application of heat to the strike faces thereof, thereby providing a reliable and relatively safe grenade to ship and store. In particular, a multiple output and effect grenade comprised of an exothermic delay column disposed within a central cavity, operable to initiate a series of primers disposed in primer cavities located within the main body of the grenade. The primer cavities may be arranged in a symmetrical or asymmetrical configuration, so as to produce a firing signature resembling an automatic weapon or random gunfire, respectively. In addition, effect charges, such as illuminants, sound agents, chemical irritants, etc., may be disposed within the primer cavities, as desired by the user.

Abstract: A smoke generating system that complies with the EPA's standard design criteria, which call for separate black and white smoke generation chambers, a smoke stack with exhaust fan, an electronic opacity monitor (transmissometer), and a recording device for the transmissometer data. It includes a redesigned black smoke burn chamber that can be operated on diesel fuel only, eliminating the need for toluene. The white smoke generator is improved by including an automatic temperature control circuit to maintain fuel evaporation chamber temperatures between 700 and 900 degrees F. The unit also employs an induced draft fan (injector) dilution air system. This system eliminated the prior art fan system and significantly improves the dilution air flow characteristic by establishing a gradual differential flow gradient. The entire system is mounted on a self-contained chassis that can be transported to any desired location. In addition, audio equipment installed provides amplification for the instructor during classes.

Abstract: A forty millimeter caliber exercise bullet has improved for properly exploding on a target, and securely maintaining the unloaded status during ordinary time. The improved exercise bullet comprising that; a skirt (200), a striking pin (10), a safety device assembly (300) consisting a detent cover (310) with a central mounting groove (311) and a pair of mounting grooves (312), a detent (320) for retaining the striking pin (10) by engaging or disengaging into the circumferential groove (11) by springs (323), a detonator cap (330) forming a hollow pocket (331) to insert a detonator trigger (20), a washer (30), and a press-spring (332) for pressing a guiding cap (340), an explosion pipe (400), a smoke shell (500), and an ogive (600). When the bullet is fired, the rotation of bullet generates centrifugal force to slide the retainer outward for disengaging the circumferential groove, then the striking pin moves upward to impact the detonator trigger when it hit on the target.

Abstract: A targeting system for determining the distance to a target and, in response thereto, altering the angular position of a projectile launcher relative to a hand held support.

Abstract: A self-contained grenade capable of dispersing a non-toxic obscurant composition, or various types of aerosol compositions such as pesticides or antimicrobial/sanitizing agents, is provided. The obscurant or other type of aerosol composition via an exothermic reaction. Release of the obscurant or other type of aerosol composition is effected in a controlled manner by creating heat via a heat producing composition comprising, for example, a thermite composition. The obscurant or other type of aerosol composition is absorbed into a heat transfer media disposed adjacent the heat producing composition. When the exothermic reaction occurs, the heat transfer media transfers the heat to the absorbed material, thereby providing a regulated thermal dispersion of same.

Abstract: The invention relates to a submunition (100) having effective masses (i.e., active masses), particularly having at least one pyrotechnic fog body (1), comprising an insulation layer (2) disposed between an active body container (3) and a pyrotechnic unit (4), wherein the active body container (3) can be closed by a cover (5) having a blow-out opening (6).

Abstract: A self-contained grenade capable of dispersing a non-toxic obscurant composition, or various types of aerosol compositions such as pesticides or antimicrobial/sanitizing agents, is provided. The obscurant or other type of aerosol composition via an exothermic reaction. Release of the obscurant or other type of aerosol composition is effected in a controlled manner by creating heat via a heat producing composition comprising, for example, a thermite composition. The obscurant or other type of aerosol composition is absorbed into a heat transfer media disposed adjacent the heat producing composition. When the exothermic reaction occurs, the heat transfer media transfers the heat to the absorbed material, thereby providing a regulated thermal dispersion of same.

Abstract: A method for production of an infrared area emitter which can be used for defense against guided missiles with infrared homing heads, for example for ships. According to the invention, an aerosol cloud which is emissive in the infrared range is produced by the reaction of a first primary aerosol composed of an aqueous solution of an electron acceptor with a second primary aerosol composed of an aqueous solution of an electron donor in order to produce the infrared area emitter. The use of primary aerosols such as these leads to emission at 3-5 and 8-14 ?m, and does not produce any visual signature either.