Shaped charge

The forward end of a rocket motor is attached, by a threaded adapter, to a cylindrical housing that is in turn attached to an elongated tube, the opposite end of which is fitted with a releasable nose cone. The elongated tube is filled with a series of bombs. Each bomb is a conical, shaped charge equipped...     

Method and apparatus for improving the behind-the-targets effects of shaped charge munitions which provides a secondary target defeating mechanism which follows through the opening formed by the high velocity jet which perforates the target. The shaped charge liner may be axially symmetrical in the form...     

A cylindrical warhead having a central core of fragments and a radially sented burst charge encompassing the fragment core. A plurality of separation charges are disposed between the burst charge segments and function to remove without detonating the charge segments oriented toward the target whereby...     

A target discriminating antipersonnel/antimaterial cluster weapon capable distinguishing between hard and soft targets. Upon striking a hard target such as armor or concrete, shear rivets are defeated causing a striker to plunge a firing pin into a stab detonator which through an explosive transfer train...     

A mini charged round utilizing a low speed, fin stabilized structure with a arhead having a shaped charge for destroying incoming motar, rocket and artillery rounds. The charged round is provided with a delay ignitor which insures detonation of the main primer in the event of missing the target.

A spinning projectile with a projectile body and a hollow charge component rotatably mounted in the projectile body and axially displaceable by the propellant gases, further including means in order to hold the hollow charge component in its displaced position. According to the invention the aforementioned...     

A retaining ring which may be utilized in hollow charge projectiles having a ring-shaped member and resilient tongues bent out of the plane of the ring member and having one end joined to the ring member. The resilient tongues extend approximately in the peripheral direction of the ring member and successive...     

The present invention relates to fragment projection-blast devices capable f focusing fragmentation and destructive blast effects. In particular, the invention takes the form of a warhead characterized by interior, multipoint initiation of detonation which increases metal velocity and enhances blast...     

A detonator for detonating the unfired motor charge when the warhead charge f a rocket missile explodes. The detonator comprises an insert comprising a pair of frusto-cones in parallel relationship, the sides being sealed to each other at the base end and open at the apical end so that the space between...     

A missile warhead having a plurality of lined shaped charges symetrically sposed about the missile axis and arranged in forward, rearward and central banks. The forward bank is directed diagonally forward, the central bank is directed radially and the rearward bank is directed diagonally rearward. Channels...     

There is disclosed an explosive device consisting of a thin-walled metal ing whose cross section consists of identical V-shaped sectors, which are joined to each other by means of a soldered butt connection. Because of a relatively small radius and weaker structure at the joint than at the V-intersection,...     

In a warhead assembly having an explosive and a detonator for activating d explosive, a fuze comprising a triboluminescent material coated on the interior portion of said assembly, a photo-sensitive detector for detecting the light caused by said triboluminescent material upon impact of said warhead...     

The forward bulkhead of a warhead casing centrally formed with a cylindri indention which causes a forward jet when the warhead is detonated.

A shaped-charge projectile having a cylindrical chamber containing a main charge, a fluted liner projecting into the chamber and means causing the liner to expand upon impact with a target and prior to firing of the main charge to thereby increase the penetrating power of the projectile. According to...     

A warhead containing an hourglass-shaped explosive charge. At either or b ends of the charge an expandable rod structure or rod fragments are placed and arranged at any desired angle to the longitudinal axis of the charge. The charge is initiated at the center of its length and because of its shape creates...     

A projectile for heavy armor formed of a casing having at its forward end a double cone construction, one surrounding the other, to provide an annular space between the cones. This space is filled with an explosive. The inner cone is located nearer the forward end of the projectile and is provided with...     

An armor-piercing tandem projectile adapted for multi-layered armored targets. Two armor-penetrating devices are incorporated in the body of the tandem shell projectile which differentiate each other with respect to their moments of impact; the rear armor-penetrating device incorporates a shaped hollow...     

Charge for an explosive projectile characterized in that it comprises a plurality of adjacent, coaxial and annular layers, the peripheral layer having a higher content of heavy powerful explosive than the immediately adjacent layer and so on to the central axial layer which is a solid cylinder and has...     

A warhead for an anti-tank projectile or a rocket propelled missile inclu a warhead body with a casing having a plurality of concave shaped-charge type liners arranged around the periphery and surrounding the interior explosive charge and in a plurality of planes extending along the axis of the warhead....     

A hollow charge ammunition particularly for dispersive weapons comprises a hollow charge having a forward end face with a recess and with a barb-forming liner in the recess overlying the end face. A folded member, such as a bellows-like structure is disposed in the recess and extends across the end face...     

A overhead attack missile for targets of little movement such as tanks or firing turrets is described. It comprises: at least one hollow charge, with a unidirectional radial action possessing a pyrotechnic dissymmetry means such as the off-centering of the detonator of the charge to preserve the straightness...     

An explosive charge is disclosed having air cavities in the explosive material, so situated within the material as to guide the propagation of the shock wave produced by detonation in a predetermined direction.

A spin stabilized projectile is arranged to have variable flight stability. he projectile has a casing with a cavity that contains a given mass of fluid. The cavity is shaped to provide a balanced flow of fluid with respect to the axis of spin as the projectile is trajected. This balanced flow alters...     

A shaped charge unit for well perforating having a outer shell with an internal cavity formed therein. An explosive charge material conforms in exterior shape with the inside surface of the cavity and is retained in place by a conical liner of non-explosive material. The interior shape of the cavity...     

A linear shaped charge has a v-shaped indentation cladded with e.g. lead. The explosive body is formed of discrete explosive elements, such as detonator cords, at least one of which is positioned along the apex of the indentation so that detonation can be initiated in that region.

A hollow explosive body is disclosed including a generally cylindrical outer jacket having a main explosive arranged therein. The hollow explosive body is characterized by a lining which at least partially closes and extends within the jacket to define a chamber. An auxiliary explosive charge is arranged...     

This invention is directed to the construction of armor-piercing projecti which combine the enhanced kinetic energy penetration due to metal matrix composite materials with that of a shaped-charge jet to defeat armor not vulnerable to either weapon alone.

Two sections of explosives are utilized in a shaped charged device to first accelerate liner material to high velocity and secondly to collapse the moving liner on a projectile's longitudinal axis to produce a high velocity jet and slug. The apparatus utilizes the principle of superposition of velocity...     

The method of preventing improper functioning of an armor piercing projectile having an axial hollow liner around which the explosive of the projectile is consolidated which comprises consolidating an axial pellet of explosive into the rearward portion of said liner.

This invention relates to a hollow charge for a missile, projectile, shell or the like. The invention is particularly intended to be used on a missile which is arranged to pass a target and the hollow charge initiated when the missile is over, at the side of or under the target which means that the hollow...     

A hollow charge for causing a primary effect by making a hole in a target (1) and a secondary effect by charge material emanating into the target via this hole (1a) and causing a sudden pressure rise, fire, fragmentation, poison or a corresponding damaging effect within the target. The charge comprises...     

A means for augmenting the fragmentation of a lightly confined High Exploe Anti-Tank (HEAT) warhead so that it can be used as an area or interdiction weapon. Process involves the placement of an elastic sleeve over the HEAT warhead by the gunner in the field when he feels fragmentation will improve his...     

A feature of this invention is the provision of a forward, armor piercing, high explosive charge and an aft anti-personnel high explosive charge in a shrapnel providing casing, both charges being functioned by a single, deceleration sensitive, detonator assembly.

An armor-piercing projectile having a hard core and a hollow charge disposed in front of the hard core with respect to the direction of flight. A proximity fuse is arranged in the projectile and is adapted to effect an ignition of the hollow charge prior to the impacting of the armor-piercing projectile...     

A barrier breaching device that is designed primarily for opening holes in interior walls of buildings uses detonating fuse for explosive force. The fuse acts as the ribs or spokes of an umbrella-like device that may be opened up to form a cone. The cone is placed against the wall so that detonating...     

A shaped-charge warhead increases the lethality of the liner material by roducing a lethal material into an appropriate region of a jet penetrator so that the lethal material is projected on the shot-line ahead of a normally large slow-moving slug, or rearward portions of the stretching jet penetrator,...     

A method of reducing the velocity gradient of a shaped charge liner is diosed. A particular construction for the liner is also disclosed which has the same effect. The velocity gradient and jet-tip velocity are both reduced by forming a plurality of relatively small diameter holes in the charge liner...     

A forwardly concave insert for a hollow charge of an armor-piercing missile or projectile has an inner peripheral wall with linear generatrices and an outer peripheral wall with at least partly curved generatrices diverging from the inner wall surface to an annular zone of maximum wall thickness at more...     

This invention provides a subcaliber projectile which is launched from a full bore projectile having a shaped charge warhead prior to impact with the target. The subcaliber projectile is tethered to the full bore projectile by means of a fine electrical cable of fixed length which serves as the communication...     

On impact the primer (37) is struck by the point (33) and transmits the ignition to an explosive column (14) located in the hollow nose (4). The splinters from a metal closing piece (17) are then thrown violently into an empty duct (19) located along the center line of the high-explosive filling (23,...     

A weapons system, especially for foot attack upon armored vehicles, has a recoilless firing tube and a discus-shaped projectile. The projectile is provided with a fork having an upper arm and a lower arm and a stabilizer connected to the fork and including a tube having a longitudinal axis and fins at...     

An insert for a projectile-forming charge with a non-constant or varying material thickness extending in the centripetal direction thereof. The insert incorporates peripherally mutually offset centripetally extending zones with a material thickness which is constant in the centripetal direction, and...     

A shaped charge having plane sides surfaces, in which a booster charge is arranged above a main or primary explosive charge, and wherein the booster charge extends from one of the side surfaces to the oppositely located surface. The booster charge is constituted of an explosive whose detonation velocity...     

A gimbal-less infrared (IR) target sensor for mounting in an IR transmissive nose cone of a guided missile comprises a fixed, concave, primary mirror mounted coaxially in the base of the nose cone; a fixed, convex, secondary mirror mounted at the focus of the primary mirror; and a plurality of IR sensing...     

The invention relates to a fuse for a satellite projectile that is expelled from a carrier projectile. In order to maintain a defined ignition time within narrow tolerances, despite initial blind position of the fuse immediately after the expulsion of the satellite projectile, the firing pin 7 is centrally...     

The invention relates to a multiple purpose warhead which is provided with a spike-forming cladding, with projectile-forming layers and with preshaped splinters, respectively splinter layers. For the simultaneous combatting of hard and semi-hard material targets as well as soft targets the impact precision,...     

An exploding missile has a casing and a parachute attached to the casing for making it move in a predetermined direction relative to the casing after launch. A charge in the casing has a projectile-forming front face, facing forward in the travel direction. An antenna is provided on the casing behind...     

A warhead includes a housing in which an effective explosive charge and a projectile-forming layer is disposed. The effective explosive charge is connected and ignited by a target recognition device. In order to reduce the effect of the antenna as a hindrance and obstacle to the formation of a projectile...     

A shaped charge perforating unit includes a housing having a cavity formed therein. An explosive charge of high explosive material is retained within the cavity by a liner of non-explosive material. The explosive charge consists of quantities of two explosive materials having different detonation rates.

A tamper mass including particulate material held together by a binder in a elf-contained supporting shape surrounding a concavity in a forward face containing an explosive, whereby upon detonation of the explosive, the tamper material provides initial and temporary confinement of detonation products...     

A shaped charge with plane side surfaces, in which a booster charge is arranged above a main explosive charge, and which extends in a longitudinal direction intermediate the side surfaces. A detonation transmitter is arranged at one end or both ends of the booster charge, of which the direction of effect...     

A multi-warhead, anti-armor missile which includes a missile that has a bter section, a sustainer section, guidance and control means, and primary and secondary warhead sections at nose portions of the missile, with said primary warhead being designed for defeating basic armor of an enemy target and...     

A shaped charge perforating unit includes a housing having a cavity formed therein. An explosive charge of high explosive material is retained within the cavity by a liner of non-explosive material. The exterior of the housing is substantially surrounded by a porous jacket of high strength fiber material.

An ordnance device includes a submunition having a generally cylindrical case packed with an explosive charge. The rearmost end of the case is capped by a detonator that fires the explosive charge when a target is sensed. The front end of the case is capped by a liner that on detonation of the explosive...     

A shaped charge carrier assembly is provided for use in a perforating gun of the type used to perforate oil or gas wells. The assembly includes at least one shaped charge including an outer case having an outer surface and a first shoulder extending radially outward from the outer surface. The assembly...     

The method achieves a top soft armor attack with the favorable attack ang In addition it eliminates the wiping motion. This is accomplished by a small upward exhausting thruster over the warhead. This thruster, activated on command from the launch station, institutes a rapid pitch down rotation of the...     

A hybrid explosive unit which is intended for artillery shells or anti-tank mines has a casing, an explosive charge in the casing defining an upwardly-facing hollow, a dished element lining the hollow, a metal cylinder embedded in the charge and extending through a center of the dished element, a sheath...     

A hollow charge including a primer block with a reverse, integrated ogival screen with a triggering effect.

A despinning mechanism for a shaped charge warhead carried by a spinning projectile is shown to comprise a weight attached to a cord wrapped around such warhead and a release mechanism operative to allow the weight and cord to move radially outwardly from such warhead to impart a decelerating torque...     

An exploding missile has a casing and a parachute attached to the casing for making it move in a predetermined direction relative to the casing after launch. A charge in the casing has a projectile-forming front face, facing forward in the travel direction. An antenna is provided on the casing behind...     

An ammunition unit (1) comprising a shaped-charge warhead which can be ignited by means of direct impact on a target (15), by means of a proximity fuze (16,17) and/or an external signal (29). The warhead has preferably an inclined position so that its longitudinal axis (5,5') is forming an angle with...     

A shaped charge bomb whose liner is partially coated with a metal whose dity is greater than that of the liner which coating extends from an inner end on a circumferential line of the liner that results from the intersection of the inner side of the liner with a notional cylinder coaxial with the liner...     

A warhead which incorporates a rotationally-symmetrical hollow charge, and provides for a selectively centered or eccentric triggering thereof through the intermediary of suitably arranged detonators. Arranged symmetrically relative to the centrally-located detonator, are two further detonators in a...     

A projectile with active components or energy-producing bodies which possesses a cylindrical sheathing wall, and which are maintained axially stacked between a projectile base and a projectile head or tip, and wherein there is provided an ejecting arrangement on the projectile for the ejection of the...     

A warhead designed for employment against a target having active armor protection comprises a forward shaped charge and a rear shaped charge. The forward shaped charge generates a core explosion whose speed is below 2,500 meters per second, and thus does not detonate the active armor, while the rear...     

An explosive plane-wave air lens which enables a spherical wave form to be converted to a planar wave without the need to specially machine or shape explosive materials is described. A disc-shaped impactor having a greater thickness at its center than around its periphery is used to convert the spherical...     

An improved process for metallurgically bonding two layers of metal capable of forming brittle intermetallics, by means of propelling one of the layers progressively into collision along the other layer at a velocity and impact angle selected to produce a waveless, complete metal to metal bond substantially...     

An armor-rupturing projectile-forming charge wherein the charge is adapted to selectively produce either single compact projectile, or through suitable measures to be able to concurrently produce a plurality of projectiles, so as to attack hard or heavily-armored targets, such as tank, as well as or...     

A method and means for sealed joinder of case and cap members of a capsular shaped charge wherein mating grooves are formed in adjacent walls of a case and cap and a resilient O-ring is compressively retained therein to hold the case and cap in operative assembly to seal from external pressures and fluids...     

A fuze for a projectile-forming or fragment-forming, in essence, a spine or barb-forming charge, which affords that two detonating locations which are necessary for the splinter or fragment formation, are concurrently triggered in the region of the circumference of the charge. Through-extending bores...     

An assemblage which forms part of a warhead of other explosive device which seeks to overcome the problem of charge/liner detachment caused by excessive shrinkage of charge volume under low ambient temperature conditions and set-back during high acceleration launches. A container comprising a hollow...     

A projectile with a tandem charge consisting of a borehole charge and a secondary firing charge, in which exact piercing guidance between the borehole charge and the secondary firing charge is obtained by the counterdirectional motion of the housing part with the secondary firing charge relative to a...     

An artillery projectile or shell containing a plurality of submunitions of the same type, each of which possesses a projectile-forming charge, an antenna on one side thereof, and a flight-stabilizing device on the opposite side. The submunitions are configured and arranged such that the projectile possesses...     

A casing for an explosive charge, especially for an article of submunition, including a covered pouring opening arranged on a damming bottom for the casing, through which an explosive charge is poured into the casing. A plate or disc member for the pouring opening is formed on a closure cover, which...     

A projectile of a predetermined geometrical configuration for small arms ammunition which comprises a solid monolithic body made of a copper alloy of approximately 61.5% of copper, approximately 35% of zinc, approximately 3% of lead and approximately 0.5% of tin.

A method and means for sealed joinder of case and cap members of a capsular shaped charge wherein opposing frustoconical shoulders are formed in adjacent walls of a case and cap and a resilient ring is retained therein to hold the case and cap in operative assembly and an elastomeric ring is positioned...     

A seeker head and an associated electronic system are mounted to the front end of a warhead in order to guide the missile to the target and to initiate detonation at the right time. To prevent the seeker head and the electronic system from confusing an impeding the hollow-charge jet produced by the hollow...     

An armor piercing explosive shell comprises a hollow charge and an impact contact member placed in the nose cone of the shell and arranged to provide electrical contact for initiation of the hollow charge upon impact of the shell against the target. To improve the penetrative performance of the shell...     

A method and apparatus for controlling the final shape of an explosively formed penetrator, in which a liner is explosively accelerated to high velocity to impact upon a mandrel and form a penetrator whose final shape, surface and mass distributions about its axis and along its length are determined...     

A two-stage, shaped charge projectile having a rear principal charge and a front secondary smaller charge with an initiator-fuse assembly for sequentially igniting the secondary and principal charges so that the secondary charge is first ignited, followed by ignition of the principal charge after a predetermined...     

The disclosure relates to a submunition disposed to be separated from an aeronautical body, for example a shell carrier canister or the like above a target area, the submunition essentially including a warhead (5), a target detector (6) and a device which imparts rotation to the submunition for scanning...     

An implosion shaped charge device for jet perforating. In its overall concept, the implosion shaped charge perforator comprises a liner of implosive geometry, a primary explosive contiguous to the liner for providing implosion impulse to such and means for detonating the primary explosive. In a first...     

An implosion shaped charge device for jet perforating. In its overall concept, the implosion shaped charge perforator comprises a liner of implosive geometry, a primary explosive contiguous to the liner for providing implosion impulse to such and means for detonating the primary explosive. In a first...     

An implosion shaped charge device for jet perforating. In its overall concept, the implosion shaped charge perforator comprises a liner of implosive geometry, a primary explosive contiguous to the liner for providing implosion impulse to such and means for detonating the primary explosive. In a first...     

A hypervelocity kinetic energy projectile has multiple penetrator stages gitudinally stacked one onto the other which separate and fly independently of one another during the projectile's flight. Connecting rods passing through and interconnecting each penetrator stage have notches positioned and sized...     

A ring detonator device for a warhead transfers a point initiation to the ng detonator. The detonator device is comprised of an inner and outer conically shaped member with the outer conically shaped member having the shape of a modified frustum of a circular cone due to a cylindrical member extending...     

In an armor piercing explosive shell of the kind which comprises a hollow charge and an impact contact member placed in the nose cone of the shell to provide electrical contact for initiation of the hollow charge upon impact of the shell against the target, the nose cone of the shell is provided with...     

A shaped charge carrier assembly includes a thin wall carrier having a charge opening disposed therethrough for freely receiving a shaped charge therein. A deformable retaining device is integrally formed with the thin wall carrier adjacent a periphery of the charge opening. The deformable retaining...     

An improved well perforating device comprising a body member in the form of a cylindrical pressure vessel containing shaped explosive charges positioned normal to the longitudinal axis of the body member. The perforating device body is systematically shaped externally at the foci of the hollow cones...     

Anit-vehicle grenade of the type comprising a head (1) extended by a tubular tail (8), an axial bore (6) going through the head and running into the bore (7) of the tubular tail (9), characterized in that, between the safety device (3), respectively the detonator 4 placed assymmetrically with respect...     

The technical sector of the invention is that of explosive charges with a re-forming coating. This explosive charge is characterized by the fact that the coating includes two superimposed and contiguous plates. The plate in contact with the air has a lower density than that of the plate in contact with...     

An ammunition comprises a cartridge casing and a propellant unit disposed in the cartridge casing including a propellant housing having a length oriented codirectionally with the length of the cartridge casing, a rear terminal portion held in a rear base of the casing and a frontal terminal portion provided...     

Hollow charge with a jet-forming lining or cover, in particular for producing a channel for a follow-through projectile in take-off runways, roadways or other stationary ground targets. A projectile-forming inert material is located between an initiator point and the jet-forming lining or cover at a...     

An expandable telescoped airframe for a missile provides a shorter configuration for convenience in handling and a longer configuration to provide added predetermined clearance in front of a shaped charge warhead after launch. The airframe is mechanically locked into its extended configuration upon deployment...     

A shaped charge projectile includes a projectile housing, explosives and a shaped charge liner in the projectile housing, and a front hood to cover the shaped charge liner. To reduce the impact shock when the projectile hits a target, the front portion of the hood is configured as a deformable region,...     

A wrought metal liner for a shaped charge device having a ductile metal matrix and a discrete second phase is provided. The alloy composition is selected so the second phase is molten when the liner is accelerated following detonation. The molten phase reduces the tensile strength of the matrix so the...     

A uranium-base alloy consists essentially of the formula U.sub.bal --Ti.sub.x --W.sub.y, where x ranges from about 0.5 to 1.0 and y ranges from about 0.25 to 2.0. The alloy exhibits high strength, good ductility and high density and is especially suited for use in ballistic penetration cores.

A grenade projectile has a projectile housing having a fragmentation length portion; an explosive charge accommodated in the projectile housing and being surrounded by the fragmentation length portion; a forwardly acting shaped charge liner bounding the explosive charge at a front end thereof, as viewed...     

A warhead which is deliverable through the intermediary of a carrier, and which incorporates aerodynamic guiding and braking media and forwardly oriented striking pins for initiating a detonating information for an explosive which is contained or dammed by a hollow-cylindrical wall structure with shallow-concavely...     

A fragmentation projectile such as a single or dual purpose grenade or bomblet for a cargo projectile comprising a fragmentation body enveloping an explosive charge carrying casing, which fragmentation body comprises one or more fragmentation rings notched in axial direction. Where the grenade is dual...