Abstract: A fabric assembly particularly useful in ballistic resistant armor has two separate sections each containing a number of fabrics made from yarns having a tenacity of at least 7.3 grams per dtex and a modulus of at least 100 grams per dtex. Compressed fabrics in the first section are employed and connected by a connector having a force to break in tension not greater than 180 N to form delineated areas in a range from 15 square mm to 350 square mm. Fabrics in the second section are not compressed and are not joined other than to prevent slippage of the fabrics relative to one another.

Abstract: A multi step approach to mitigating the effects of explosively formed projectiles (EFPs). The first step involves a splitting step whereby the EFP total mass is reduced into fragments having smaller masses. The fragments are then exposed to cascading armored disks in preparation for a temperature reduction or “cooling” step. Heat is reduced by conduction through a cooling medium. Temperature reduction restores some solid properties to each fragment. The EFP fragments are slowed by exposure to a series of cascading armored disks designed to disperse contact pressures from any remaining fragments.

Abstract: The present invention discloses an attachment system for use in a building comprising a plurality of first wall sections, a plurality of horizontal planks resting on the first wall sections, and a plurality of second wall sections resting on the horizontal planks. The system includes a plurality of threaded rods holding the system together, and may be made of concrete or similar material. The system may be disassembled and reassembled without affecting the structural integrity of the building.

Abstract: A flexible armor system includes a rigid panel of a stiffness calculated to resist penetration by a known ballistic object, made from multiple layers of Ultra High Molecular Weight Poly-Ethylene fibers or other high tenacity fibers, which is then pre-flexed beyond its elastic bending limit to create a distributed pattern of surface buckling, with localized areas of interior delamination, which together function as bending or hinge lines to provide flexibility to the otherwise rigid panel and thereby lower its overall stiffness to less than that calculated for the rigid panel to resist the ballistic object. The areas of delamination have a width of less than one half the diameter of the ballistic object.

Abstract: A structure may comprise a first outer layer and a polymer fiber composite layer mounted on one side of the first outer layer.

Abstract: Ring-shaped shape memory alloys put disk-shaped ceramic materials in a state of compression. The rings are radially deformed to introduce plastic strain into the rings. The rings are sized to closely receive the disk-shaped ceramic strike plates. When the assembly is heated, the rings attempt to regain their original shape and thereby put the ceramic strike plates into uniform, two-dimensional compression.

Abstract: A conformable self-healing ballistic armor protective structure has a shell formed of a laminated cloth material having outer and inner lamellae. The outer lamella of the laminated material is a ballistic cloth and the inner lamella is a soft, conformable self-healing, rubber compound. The shell is filled preferably with multiplicity of ceramic particles disposed in a fluid.

Abstract: A protective plate assembly comprises a plurality of overlapping rigid plates (1, 2, 3) for covering a wearer's chest and abdomen, the plates being attached together such that the amount of overlap between successive plates is variable. Elements (13, 16) of compressible material are provided, distributed on an inner side of the assembly, such that when the amount of overlap between the plates (1, 2, 3) increases, the elements move closer together in the direction in which said overlap increases, and vice versa. Two adjacent plates of the assembly are attached to each other by means of a peg (12) extending from one of said plates, which peg is captive within a slot (9) on the other of said plates, the slot running substantially perpendicular to the overlapping edges of the plates.

Abstract: A conformable self-healing ballistic armor protective structure has a shell formed of a laminated cloth material having outer and inner lamellae. The outer lamella of the laminated material is a ballistic cloth and the inner lamella is a soft, conformable self-healing, rubber compound. The shell is filled preferably with multiplicity of ceramic particles disposed in a fluid.

Abstract: The invention relates to an air hardenable high-hardness steel for armouring applications, such as armour plate for use in light armoured vehicles and body armour, and having a high level of ballistic performance relative to its plate thickness. In particular, the invention concerns a high ballistic strength martensitic armour steel which, in an air cooled and untempered condition, has a strength coefficient (s0) of higher than 2500 MPa; a flow parameter (P) of higher than 8.0, preferably higher than 18.0; and a manganese content of 1.8 to 3.6% by weight of manganese, preferably 2.8 to 3.1% by weight of manganese. The armour steel also includes retained austenite at a volume fraction of at least 1%, and preferably a volume fraction of 4 to 20%.

Abstract: An apparatus for providing protection from blast and ballistic energy is provided. The apparatus includes a liquid storage mechanism containing a liquid and a rigid layer internal to the liquid storage mechanism. The apparatus also includes a pressure release mechanism configured to allow the liquid to exit the liquid storage mechanism when a pressure sufficient to open or activate the pressure release mechanism contacts the liquid storage mechanism and presses the liquid storage mechanism against the rigid layer.

Abstract: A steel armour comprising between 90% and 50% bainite, the rest being austenite, in which excess carbon remains within the bainitic ferrite at a concentration beyond that consistent with equilibrium; there is also partial partitioning of carbon into the residual austenite. In one embodiment of the invention the bainite comprises in weight percent: carbon 0.6 to 1.1%, silicon 1.5 to 2.0%, manganese 0.5 to 1.8%, nickel up to 3%, chromium 1.0 to 1.5%, molybdenum 0.2 to 0.5%, vanadium 0.1 to 0.2%, balance iron save for incidental impurities. In particular it was noted that excellent properties were obtained if the manganese content is about 1% by weight. By forming the steel as a pearlite sheet the elements (310,410) of the panel can be formed easily by cutting or stamping before final transformation to bainite. Cutting may also occur after final transformation using water- jet or laser cutting. Alternatively hot forging elements is described.

Abstract: The invention relates to a composite plate having at least one layer for deflecting a projectile, said layer being composed of a multitude of molded components arranged adjacent to one another; the molded components are embodied in the form of bars that have side surfaces and end surfaces and have the capacity to be arranged in series with one another without gaps; adjacent bars are arranged adjacent to one another without gaps at least partially by means of side surfaces or edges that face each other and the longitudinal axes of the bars are arranged in an inclined fashion enclosing angles ? and ? relative to a perpendicular (L) on a surface of the composite plate in at least two different planes E1 and E2 that are perpendicular to each other.

Abstract: A rigid structure for ballistic protections is described. The structure comprises a plurality of textile elements which are distinct from each other and co-operate with each other to stop an incident bullet along a direction. A third element is placed between two of the textile elements. Such third element is aimed at creating a discontinuity surface between the two adjacent elements, which provides a further reduction of the trauma value and increase of the stopping capability.

Abstract: Designs and methods are provided for a multi-range camouflage. In one exemplary embodiment, the camouflage comprises an array of tiles creating a micro camouflage pattern discernable at a first distance. The camouflage design further comprises a macro camouflage pattern discernable at a second distance that is substantially greater than the first distance. The macro camouflage pattern is inherent in the arrangement of tiles forming the micro camouflage pattern, and based on a predefined source image.

Abstract: An armor includes a core that, in turn, includes a first layer of prismatic elements arranged in a tessellated fashion and a second layer of prismatic elements arranged in a tessellated fashion. The first layer of prismatic elements is nested into the second layer of prismatic elements. An armor includes a strike face sheet, a rear face sheet, and a core disposed between the strike face sheet and the rear face sheet. The core includes a first layer of prismatic elements arranged in a tessellated fashion, a second layer of prismatic elements arranged in a tessellated fashion, and a strain isolation layer. The first layer of prismatic elements is nested into the second layer of prismatic elements with the strain isolation layer disposed between the first layer of prismatic elements and the second layer of prismatic elements.

Abstract: An armor includes a core that, in turn, includes a first layer of prismatic elements arranged in a tessellated fashion and a second layer of prismatic elements arranged in a tessellated fashion. The armor further includes a smart component operably associated with a component of the armor. The first layer of prismatic elements is nested into the second layer of prismatic elements.

Abstract: A glass block panel assembled, framed and attached to a substrate such that it resists the shock wave resulting from a blast event.

Abstract: Embodiments of an apparatus and method provide protection against ballistic threats using stitches. Embodiments include multiple layers of fabric each including an inner core made of substantially rigid material and outer surfaces. The multiple layers of fabric are hot-pressed together to form a ballistic panel. Embodiments further include a plurality of stitches that provides an additional mechanical bond to hold the multiple layers of fabric together to improve the level of protection against ballistic threats. The ballistic panel may be cut to a size appropriate for different applications, e.g., ballistic visor for vehicle use or a briefcase insert or backpack for personal use.

Abstract: A wall system protects a building structure from pressure caused by explosive blasts. The wall system includes vertical studs. Outer blast wall panels and inner blast wall panels are secured to the opposing sides of the vertical studs. An upper mounting system is attached to the building structure. An upper mounting system includes a fixed track, a movable mounting track, and an energy absorbing system that flexibly couples the movable mounting track to the fixed track. The upper ends of the vertical studs are attached to movable mounting track. A lower mounting system includes a mounting track that aligns the lower ends of the vertical studs. The wall is filled with an energy absorbing material. The lower ends of the vertical studs are connected to a lower track.

Abstract: Methods and apparatus are provided for a three-dimensional camouflage applied to the exterior of a man-made article. The camouflage comprises a surface with a visible topography defined by a predetermined arrangement of three-dimensional elements.

Abstract: A ballistic shield for protection against up to 7.62×63 mm AP rounds (NIJ Level IV). The ballistic shield is multiple layered and includes polymer foam, ceramic tiles, and a support structure fabricated from ballistic resistant fabric. Individual layers are bonded with adhesives and preferably wrapped with fabric. Under the fabric cover of the exterior surface of the shield is a polymer foam layer that exhibits excellent blast impact resistance and blast attenuation properties as well as a hard ceramic or the like layer. The foam layer is preferably made from liquid crystal or semi-crystalline polymer to enhance fire resistance and provide enhanced ductility. According to various preferred embodiments, the man-portable ballistic shield also incorporates a compact video system for viewing the front side of the ballistic shield to eliminate the transparent view port of current ballistic shields and protective foam about the periphery and on the rear surface thereof.

Abstract: An armor system includes a hard face and at least one reinforcing layer covering a rear surface of the hard face. The reinforcing layer is fabricated from a glass-ceramic material exhibiting crystalline bodies throughout the mass of the glass-ceramic material. At least one resilient layer forms a rearward outer layer of the armor system. The hard face and cooperating reinforcing layers serve to disburse energy caused by the impact of an incoming projectile with the armor system, while the resilient layer serves to retain any pieces of the hard face and reinforcing layers fractured during ballistic impact. In certain embodiments, a plurality of hard faces, each with cooperating reinforcing and resilient layers, are held in parallel and spaced apart arrangement.

Abstract: An armor plate transforms projectile energy into solid-state lattice waves and facilitates absorption of these waves at different wavelengths. For high frequency lattice waves, dopants are used for absorbing the lattice waves and converting them to thermal energy. Heavy dopants and layered materials can also be use for reflecting lattice waves to facilitate attenuation through absorption. A spreading layer can also be used for dispersing non-absorbed lattice waves.

Abstract: A transparent armor system includes a hard face fabricated from a substantially transparent glass-ceramic material exhibiting crystalline bodies throughout the mass of the glass-ceramic material and a backing covering a rear surface of the hard face opposite an anticipated incoming projectile. The backing has a refractive index substantially matching that of the hard face such as to allow substantial transparency of the transparent armor system. The hard face serves to disburse energy caused by the impact of an incoming projectile with the transparent armor system, while the backing serves to retain any pieces of the hard face fractured during ballistic impact. In certain embodiments, a plurality of hard faces are held in parallel and spaced apart arrangement.

Abstract: An armored cab having at least an upper wall, two side walls, a front wall, a back wall, and a bottom wall. The armored cab and its respective walls include a longitudinal axis extending from the back wall to the front wall. The bottom wall includes at least one concave surface, The at least one concave surface faces downwardly and away from the armored cab, and is disposed in a direction substantially parallel with the longitudinal axis of the armored cab.

Abstract: An armour (23, 39) for protecting an object from a projectile includes a layer of granulate salt (21, 26, 31, 51) at least partially surrounding the object. In an embodiment, the granulate material (21, 26, 31, 51) is Sodium Chloride (NaCl). Also disclosed is a combined armour plate (39), including a first layer of granulate material (31), wherein the granulate material is compressed with a pressure of at least 2 Atm; and a second layer of traditional armour (33), wherein the first layer (31) is located closer to the outside or impact side of the armour plate than the second layer (33). A method of forming an armour (23, 39) includes providing a granulate salt (21, 26, 31, 51) and pressing the granulate salt in a container (22, 25 30).

Abstract: An assembly for armoring an amphibious vehicle against projectile penetrations, the amphibious vehicle having a hull, the assembly including a rigid spall generating sheet, the rigid spall generating sheet having a thickness and an outer surface; a buoyant sheet fixedly attached to and extending inwardly from the rigid spall generating sheet; and a multiplicity of fasteners interconnecting the rigid and buoyant sheets with the amphibious vehicle's hull, the buoyant sheet incorporating a low density, nonabsorbent hardened foam material; the buoyant sheet functioning for vehicle buoyancy enhancement and for defining a spall dispersal space overlying the hull and underlying the rigid spall generating sheet.

Abstract: Debris entrapment systems and methods for utilizing are disclosed. One such debris entrapment system includes a track configured to be mounted proximate a window opening. A plurality of slidable carriers are attached proximate an attachment edge of a mesh curtain and are configured to fit with a guide of the track and to be slidably attached to the track. A first plurality of trapped carriers are attached proximate the attachment edge and a first edge of the mesh curtain and a second plurality of trapped carriers are attached proximate the attachment edge and a second edge of the mesh curtain. The trapped carriers are configured to fit with the guide of the track and are trapped from sliding along the guide. The debris entrapment system further includes a reinforcement strip attached to the mesh curtain.

Abstract: An armored cab comprises a top wall, two side walls, a front wall, a back wall, and a bottom wall. The cab has a longitudinal axis extending from the back wall to the front wall. The bottom wall includes a first downwardly facing convex wall, at least a second downwardly facing convex wall above the first convex wall, and a plurality of connecting members interconnecting the first convex wall and the at least a second convex wall.

Abstract: An armor system includes a hard face and at least one reinforcing layer covering a rear surface of the hard face. The reinforcing layer is fabricated from a glass-ceramic material exhibiting crystalline bodies throughout the mass of the glass-ceramic material. At least one resilient layer forms a rearward outer layer of the armor system. The hard face and cooperating reinforcing layers serve to disburse energy caused by the impact of an incoming projectile with the armor system, while the resilient layer serves to retain any pieces of the hard face and reinforcing layers fractured during ballistic impact. In certain embodiments, a plurality of hard faces, each with cooperating reinforcing and resilient layers, are held in parallel and spaced apart arrangement.

Abstract: A transparent armor laminate system is described that utilizes a glass-ceramic material as the strike-face material, one or a plurality of intermediate layers, and a backing material. This laminate system offers improved performance with reduced weight over conventional all-glass or all-glass-ceramic transparent armor systems. The glass-ceramic material consists of a glass phase and a crystalline phase, the crystalline phase being selected from a group consisting of beta-quartz, mullite and combinations thereof.

Abstract: An armor and a system for projectile neutralization. The armor has at least one serrated plate or louvered plate system. The serrated plate has a base, recessed lands, raised lands, and columnar projections extending from the recessed lands to the raised lands to form serrations on the serrated plate. The louvered plate system has a series of angled plates, a base, a top and a support structure connecting the louvered plates with the base and the top. The system has a serrated or louvered armor plate configured to reduce a kinetic energy of the projectile and re-orient the projectile upon rupture through the armor plate, and has a projectile-receptor configured to capture the projectile after rupture through the armor plate. Projectiles which impact on the serrated or louvered plate system have a kinetic energy thereof reduced and become re-oriented upon rupture through the serrated or louvered plate system.

Abstract: A ballistic panel provides protection from various munitions. The ballistic panel may be configured to conform to various contours and shapes. In this way, the ballistic panel may be used to create or replace traditional non-ballistic panels, such as those found in structures, vehicles, and device enclosures. The ballistic panel may comprise one or more layers of material including fiberglass, metal, mesh, ceramic, and natural and synthetic materials, among others. The ballistic panel may protect individuals, property, devices, and other assets from physical damage, electromagnetic radiation, and the like. The ballistic panel may be inexpensively constructed with low cost materials and manufacturing processes.

Abstract: An armor uses optimally shaped ceramic cross-pellets and a matrix for containing the cross-pellets. The armor comprises front and back plates and an array of interlocking ceramic cross-pellets of repeating shape between front and back plates. Each cross-pellet may have a horizontal cross-section in the shape of a cross and comprises a center and four fingers projecting therefrom. Each cross-pellet in a non-peripheral portion of the array may be supported by fingers of other cross-pellets which may include two fingers from each of four other cross-pellets. The result is lightweight, composite hybrid structure. The dense, hard armor has good fracture toughness, hardness and a high capacity to absorb impacts for ballistic protection particularly suited to tactical ground vehicles. Valley spaced is minimized. A polymer resin may be situated in spaces between the ceramic cross-pellets and between the array and at least one of the back plate and front plate.

Abstract: An armor system for defeating a solid projectile has an outer armor plate, an interior armor plate, and an inner armor plate, the plates positioned approximately parallel to one another and also displaced from one another along the projectile trajectory to form a first dispersion space between the outer armor plate and the interior armor plate, and a second dispersion space between the interior armor plate and the inner armor plate. The first and second dispersion spaces are each sufficiently thick to allow significant lateral dispersion of any armor fragments passing therethrough.

Abstract: The present invention provides a system for window blast protection. The system includes a first material, which is either elastomeric or non-elastomeric, which is bonded to a second material, which is elastomeric when the first material is non-elastomeric, and is non-elastomeric when the first material is elastomeric. The system also includes a cover for protecting the materials, where the cover releases the materials in response to the pressure impact of an explosive blast. The second material is anchored to the inside of the cover. When the system is in use, the system further includes a bonding agent for bonding the first material to a film attached to the inner surface of the window and an anchoring means for anchoring the outside of the cover to a frame or wall surrounding the window.

Abstract: A blast door (12; 14) comprises a panel (12a; 14a) and a frame provided around the perimeter of the panel. The frame comprises a plurality of frame members (12b, 12c, 12d; 14b, 14c, 14d). Each frame member has a cross section that includes a cavity (36, 40) in which the panel perimeter is received. This ensures that the frame encloses a perimeter portion of the panel on either side thereof. Securing means (47) are provided within the cavity of the frame, to secure the panel therein. A method of fabricating the blast door comprises providing the panel and the frame comprising the plurality of frame members, and securing the panel within the frame using securing means located within the cavity of the frame.

Abstract: The invention relates to a stack comprising a stack of first and second layers. The first layers comprise drawn polymeric fibers and optionally a binder, and the second layers comprise drawn polymeric tapes. The invention also relates to a panel comprising a consolidated stack and to a ballistic resistant article comprising the stack or the panel.

Abstract: In accordance with an embodiment of the present invention, a blast-resistant panel may include a layer of a pre-cured elastomeric material having a predetermined thickness, a body portion, and a plurality of flanges, each of the plurality of flanges having a substantially equal width and depending away from a same side and at approximately equivalent right angles to the body portion. The blast-resistant panel may also include a plurality of fastener elements for securing the pre-cured elastomeric material layer to a surface of a structure through the plurality of flanges of pre-cured elastomeric material layer.

Abstract: An armor system for defeating a solid projectile having a first armor plate, an interior armor plate, and an inner armor plate displaced from one another to form a first dispersion space between the first armor plate and the interior armor plate. The first dispersion space is sufficiently thick to allow significant lateral dispersion of armor passing therethrough. The inner armor plate is disposed approximately parallel to the interior armor plate and displaced therefrom to form a second dispersion space between the interior armor plate and the inner armor plate. The second dispersion space is sufficiently thick to allow significant lateral dispersion of materials passing therethrough.

Abstract: An armor module for protecting a surface against an explosively formed projectile (EFP) threat is provided. The armor module is configured for mounting on the surface and comprises at least one armor assembly having a hard layer disposed facing the threat and being configured to fragment the EFP, thus forming residuals of the original EFP threat; a unidirectional fiber layer disposed behind the hard layer; and a catcher layer behind the unidirectional fiber layer, the catcher layer being made of a material exhibiting a level of ballistic protection such that a layer of the material being of the same thickness as the unidirectional fiber layer absorbs at least 20% more energy than is the unidirectional fiber layer for the same threat.

Abstract: The present invention refers to an impact-resistant and penetration-resistant textile structure, to a method and to an apparatus for production thereof.

Abstract: The present invention provides an initial strike-face layer for armor, a method of constructing an armor plate and armor. In one embodiment, the initial strike-face layer includes a substantially planar surface having a relief pattern with raised or recessed structures, each of the structures having sides that are oblique to the substantially planar surface.

Abstract: A vehicle and structure shield includes a flexible net subsystem including an array of rods or hard points supported by the net subsystem and configured to impact a projectile striking the net. A frame includes mounting brackets attached thereto positioning the frame in a spaced relationship with respect to the vehicle or structure. A first releasable fastener subsystem releasably secures the net subsystem to the frame and a second releasable fastener subsystem releasably secures the mounting brackets of the frame to a vehicle or structure.

Abstract: In an embodiment, a monolithic tile made for use in a composite armor is disclosed. The tile includes cut-out and/or through thickness channels spaced from each other at a distance greater than a dimension of the channels, in a plan view of the tile.

Abstract: A flexible, multi-functional, multi-ply material mix and device, capable of providing ballistic protection are herein presented. The device and material herein presented provide multiple electronic and ballistic functionality integrated into a soft body armor that is lighter in weight and more comfortable to wear than previously available alternatives.

Abstract: Textile armour (2) comprising at least one textile section (4) and corresponding supporting means (6), wherein the arrangement is such that the or each textile section is fully extended.

Abstract: A multilayer backing composite for armor plate systems. One embodiment provides a ceramic layer and a bonded multilayer backing layer bonded to the ceramic layer. The backing layer can be formed from at least two layers each of alternating elastomeric interstitial layers and UHMWPE layers having an areal density in the range of about 125 to 400 g/m2. The areal density of the stack can be in the range of about 4 to 15 lbs/ft2, and specifically about 6.98 lbs/ft2. In some embodiments, at least one of the at least two UHMWPE layers nearer to the ceramic layer of the stack can have a lower areal density than at least one layer further from the ceramic layer. The ceramic layer can be SiC and 0.280? thick; each rubber layer can be about 0.01?; and each UHMWPE layer can be about 0.15?.

Abstract: The present invention relates to fabrics, composites, prepregs, laminates, and other products incorporating glass fibers formed from glass compositions. The glass fibers, in some embodiments, are incorporated into composites that can be adapted for use in high energy impact applications such as ballistic or blast resistance applications. Glass fibers formed from some embodiments of the glass compositions can have certain desirable properties that can include, for example, desirable electrical properties (e.g. low Dk) or desirable mechanical properties (e.g., specific strength).