309results about "Armour plates" patented technology

Disclosed are a method, system, and apparatus of a rapidly expandable anti-drone mesh system and method. In one aspect, a system includes a protected asset, an armored mesh on the protected asset, a sensor system to detect a hostile drone to imminently collide with the protected asset in an impact zone, and a responsive mechanism of the protected asset to cause a high-pressure gas to rapidly expand the armored mesh in the impact zone of the protected asset when the sensor system detects the hostile drone to imminently collide with the protected asset. The armored mesh preserves the protected asset by causing the hostile drone to impact the armored mesh instead of directly the protected asset. The protected asset may be a building, a vehicle, a wearer of a tactical gear, a civilian, a soldier, a boat, a tank, a weaponry, an airplane and / or an infrastructure.

The invention provides an alloy and silicon carbide ceramic integrated protective armor structure and a preparation method thereof.The armor structure comprises a ceramic plate framework, long-plate-shaped hole channels distributed regularly are formed in the ceramic plate framework, and the long-plate-shaped hole channels are filled with metal alloy materials formed through pouring; the ceramic plate framework is provided with a metal alloy wrapping layer formed through pouring. During preparation, the ceramic plate framework internally provided with regularly distributed long-plate-shaped hole channels is prepared firstly, then alloy liquid is poured into a mold, the molten alloy liquid is injected into the mold to completely immerse the ceramic plate and fill the long-plate-shaped hole channels in the ceramic plate, and a uniform wrapping layer is formed on the surface of the ceramic plate. According to the structure, alloy and silicon carbide ceramic are effectively combined, reasonable structural design is adopted, high-speed penetrating objects are effectively blocked through the synergistic effect of the high-strength titanium alloy frame and the ceramic plate, and the multiple functions of bulletproof, impact resistance, high temperature resistance, corrosion resistance and the like can be achieved.

To provide a molded composite body capable of being used as a bulletproof material against tungsten carbide bullets.SOLUTION: A molded composite body of a silicon-infiltrated reaction-bonded mixed ceramic material has a microstructure defined by: primary grains (1) of crystalline boron carbide (B4C) having an average particle diameter of 500 μm>d50>100 μm and a composition greater than 10 wt.% and less than 50 wt.%; and primary grains of fine silicon carbide having d50<70 μm and a composition greater than 10 wt.% and less than 50 wt.%. The primary grains of crystalline boron carbide are bonded by silicification treatment (3) within a silicon carbide matrix having a free metallic silicon (2) in an amount greater than 1 wt.% and less than 20 wt.%, thereby constituting byproduct silicon carbide formed in an amount greater than 5 wt.% and less than 25 wt.%.SELECTED DRAWING: Figure 1

Generally, the present invention relates to a method for improving the properties of a welded structure as well as the resulting improved welded structure. The weld joint is often the weakest part of welded structures. Especially, the coarse-grained area is usually the most critical zone in terms of the welded structure's properties, as its large grain size leads to a brittle microstructure. The present invention provides a method for improving the properties of a welded structure comprising at least steps of welding together a number of parts of the welded structure, and applying a heat treatment for the welded structure.

A flexible armour panel, comprising: a fibre pack (310, 330) comprising a first plurality of layers of a fibre reinforced polymer matrix; and a scale pack (300) overlapping the fibre pack (310, 330). The scale pack (300) comprises a plurality of articulating imbricated rigid scales (100). Each scale of the plurality of articulating imbricated scales (100) is coupled directly to at least one adjacent scale of the plurality of articulating imbricated scales (100).

Lightweight ballistic glasses are provided that provide effective protection from ballistic attack while also being lightweight enough for use in armored vehicles and aircraft. In addition to other embodiments, a multilayered lightweight ballistic glass is provided that meets the CEN 1063 Level BR7 standard while having a weight of no greater than about 155 kilograms per square meter (kg / m2), and a total thickness of less than about 75 mm.

The utility model relates to the technical field of bulletproof plates, in particular to an elastic constraint composite bulletproof plate which comprises a baffle, a buffer plate is arranged on the outer side of the baffle, the buffer plate is made of foamed aluminum, and a dispersing assembly is arranged on the outer side of the baffle. The dispersing assembly comprises a plurality of stacked ceramic frames, the ceramic frames are honeycomb-shaped, a plurality of ceramic trapezoidal frames are fixedly connected to the outer sides of the ceramic frames, and the ceramic frames and the ceramic trapezoidal frames are all made of silicon carbide ceramics. The honeycomb-shaped ceramic frame and the ceramic trapezoid frame are arranged in a matched mode, a plurality of gaps are formed in the honeycomb-shaped structure, the actual usage amount of ceramic materials is reduced through the gaps, the number of protective layers is increased due to the fact that the honeycomb-shaped ceramic pieces exist, and after the body armor is hit by bullets once, even if the honeycomb-shaped ceramic pieces are broken in a local area, the protective layers can not be damaged. Due to the mutual connectivity and the overall stability of the honeycomb structure, the surrounding honeycomb units can still play a protection role continuously.

To provide a protective article which is easy to produce, has excellent blade-proof performance, has few gaps and easily follows the body.SOLUTION: An edgeproof material made by connecting a series of metal pieces with tape-like fabric sandwiched therebetween on both sides. The size of the metal pieces is 0.25 cm2 or more and less than 4 cm2, with all sides being 2 cm or less. The gap between adjacent metal pieces is 0.1 mm or more and less than 1 mm, and the thickness of the metal pieces is 2 mm or more and less than 4 mm.SELECTED DRAWING: Figure 1

A hybrid armour cassette comprising: a first plate; a second plate; and an interlayer having a plurality of layers sandwiched between the first and second plates; wherein the plurality of layers comprises at least one passive layer comprising a passive material and at least one reactive layer comprising a reactive material.

The invention belongs to the technical field of composite material preparation, and particularly relates to TiB2-based composite ceramic as well as a preparation method and application thereof. The preparation method comprises the following steps: respectively grinding a surface layer raw material, a transition layer raw material and a core layer raw material to respectively obtain surface layer raw material mixed powder, transition layer raw material mixed powder and core layer raw material mixed powder; the surface layer raw material mixed powder, the transition layer raw material mixed powder and the core layer raw material mixed powder are laid according to the structure of the ceramic assembly, and the ceramic assembly is obtained; carrying out compression molding on the ceramic assembly to obtain a ceramic green body; performing spark plasma sintering on the ceramic body to obtain a ceramic semi-finished product; and sintering the ceramic semi-finished product at high temperature and high pressure to obtain the TiB2-based composite ceramic. The TiB2-based composite ceramic prepared by the preparation method provided by the invention is high in density, high in hardness, good in toughness and excellent in comprehensive performance.

The application relates to a kind of anti-14.5mm armor-piercing bullet function gradient armor structures, and the application relates to a kind of function gradient armor structures.The application is to solve the problems that the traditional ceramic / metal or ceramic / fiber composite armor structure has large area density and excessive thickness, and the anti-bullet performance is difficult to further improve.The armor structure includes a ceramic panel, a gradient B4C / Al composite material and a packaging material, and the overall structure presents a 100-50% gradient change in ceramic content from the panel to the back plate.The thickness of the ceramic panel in the armor structure is 14-18mm;The gradient B4C / Al is a multi-layer structure, and the overall thickness is 12-15mm;The packaging material includes a crack arrest layer, an adhesive and a fiber layer.The application is used in the field of armor protection.

An impact energy dissipation plate for anti-ballistic armor, the dissipation plate including a damping material including a fibrous reinforcement bonded by an organic matrix including a thermosetting resin, the reinforcement including inorganic fibers assembled in the form of yarns, the damping material having the following features the volume fraction of fibrous reinforcement of the damping material is between 20% and 70%, the remainder to 100% including the matrix and porosity; the fibrous reinforcement includes at least 50% by volume of silica fiber yarns of which SiO2 content by mass of more than 90%, and the porosity of the damping material is between 2% and 10% by volume.

The application discloses an armor plate and a preparation method and application thereof. The armor plate is composed of ceramic, high-strength magnesium alloy, an ultra-high molecular weight polyethylene fiber laminated plate, a crack-arresting layer and an adhesive. The magnesium alloy plate with high damping performance is used as the intermediate transition layer of the armor plate, and plays a rigid supporting role on the ceramic. Meanwhile, the laser remelting is carried out on the bullet-approaching surface and the back surface of the alloy plate respectively, and the micro-texture with different appearances is generated. The micro-texture changes the normal contact stiffness of the alloy plate, and thus changes the stress reaction speed and relaxation characteristics of the alloy plate at the moment of bullet impact. In addition, the existence of the micro-texture also improves the interface bonding strength. Finally, the overall bulletproof capability of the armor plate is improved.

The application provides a polyimide fiber bulletproof impact-resistant composite board and a preparation method thereof, and comprises the following steps: a center flow guide layer is made of a polyimide high-strength and high-toughness filament unidirectional cloth; a first bulletproof layer is stacked on the center flow guide layer; and a second bulletproof layer is stacked on the center flow guide layer; the center flow guide layer is clamped between the first bulletproof layer and the second bulletproof layer, the first bulletproof layer and the second bulletproof layer are each made of a polyimide plain cloth or a polyimide needle felt; the center flow guide layer, the first bulletproof layer and the second bulletproof layer are integrally bonded through an adhesive, and the adhesive is any one of liquid epoxy resin or polycarbonate resin. The polyimide fiber bulletproof impact-resistant composite board provided by the application does not contain a ceramic bulletproof layer, can avoid secondary injury caused by ceramic fragments, has good bulletproof impact-resistant performance, and has a simpler layer structure, lighter quality and more convenient use.

A ballistic panel providing ballistic protection has at least one plate. The at least one plate is formed of at least one engineered thermoplastic sheet having carbon additives.

Laminated bulletproof glass holds significant importance in research and development efforts aimed at enhancing material performance and the manufacturing process of laminated bulletproof glass itself. The objective is to create laminated bulletproof glass sheets that incorporate layers of float glass, high-strength synthetic glass, or high-strength synthetic glass with heat-reflective properties. These glass layers are interspersed with layers of polymer-type interlayer material in a specific arrangement pattern and then subjected to a specialized heat and pressure treatment process under controlled conditions. Finally, the assembly is bonded with polycarbonate using silicone adhesive. The resulting product provides protection levels ranging from NIJ 3A, with a total glass thickness between 28 millimeters and no more than 32 millimeters, up to NIJ 3, with a total glass thickness between 33 millimeters and no more than 38 millimeters.

The utility model discloses a kind of closed explosive ordnance removal clothes convenient to put on and take off, including explosive ordnance removal coat and explosive ordnance removal trousers, both are equipped with put on and take off structure and sealing structure, and are connected to form closed whole by sealing structure. Explosive ordnance removal coat chest protection structure is sequentially composed of sealing layer, soft protection layer, first flame-retardant protection layer, hard protection layer and second flame-retardant protection layer. Put on and take off structure adopts double-opening resin quick-release zipper, coat and trousers are realized quick put on and take off by zipper of double arms upper side and trousers leg outer side respectively;Sealing structure utilizes protective collar, coat low collar and the sealing adhesive fastener band of trousers waist, realizes the close sealing of helmet and the overall sealing of coat and trousers. Sealing layer adopts double-sided sealing rubber layer and honeycomb structure layer heat sealing to form closed space attenuation shock wave, soft and hard protection layer cooperates and resists high-speed fragment, and flame-retardant protection layer uses aramid fabric to prevent flame burning. This explosive ordnance removal clothes gives consideration to quick put on and take off and high-efficiency protective performance, and can effectively guarantee explosive ordnance removal personnel safety.

The utility model discloses an antiknock board with a veneer and a veneer rolling mechanism, the antiknock board with the veneer comprises a fiber cement core board, an upper surface board, a lower surface board and a veneer, and the veneer is adhered on the outer surface of the upper surface board through hot melt adhesive. According to the anti-knock plate with the veneer, on-site independent construction of the outer veneer is omitted, and the construction period is shortened. The veneer rolling mechanism disclosed by the utility model is used for processing the veneer in the anti-explosion plate with the veneer.

Provided are methods and compositions for treatment of angiogenic disorders using anti-VEGF agents. The anti-VEGF agents comprise VEGF binding domains and have the ability to bind vitreous. Provided are exemplary embodiments of Fc-IgG fusion proteins with VEGF binding domains with strong heparin-binding characteristics, strong inhibition of VEGF mitogenic activity, and improved pharmacokinetics, namely longer half-lives of the anti-VEGF agents and consequently less frequent dosing.

The invention relates to a lightweight multi-environment adaptive individual explosion-proof composite material and preparation and application thereof, the composite material comprises a first impact-resistant surface layer, a second impact-resistant surface layer and an energy absorption layer arranged between the first impact-resistant surface layer and the second impact-resistant surface layer, and an energy absorption crack arrest layer is further arranged between the first impact-resistant surface layer and the energy absorption layer. According to the explosion-proof material, the design of a traditional explosion-proof material with a single structure is improved, and the technical problems that an existing material is thick and heavy in structure, poor in impact resistance, low in energy absorption efficiency, poor in durability and the like are solved.

The invention discloses a composite material with longitudinally distributed basalt fibers as well as a preparation method and application of the composite material. The composite material comprises at least one layer of base plate, wherein the base plate is formed by closely paving a plurality of prismatic unit bodies which are consistent in thickness and have regular polygonal cross sections; the unit bodies in the composite material are fixed into a whole through an adhesive; the unit body is composed of a plurality of basalt fibers which are longitudinally arranged; the fiber direction of the basalt fibers in the unit bodies is the same as the axis direction of the unit bodies and is perpendicular to the plate face of the base plate obtained by tiling the unit bodies. The core of the bulletproof armor plate is that the distribution direction of basalt fibers is changed from the radial direction to the axial direction, so that the problem that the radial pressure resistance is insufficient when traditional fibers are transversely distributed is solved, and the prepared bulletproof armor plate can convert impact force of bullets into pressure on the axial direction of the fibers; the extremely high axial compressive strength of the basalt fibers is fully utilized, so that the bulletproof efficiency is remarkably improved, and the light weight of the armor is achieved.

The application relates to the technical field of vehicle body structure components, and discloses a high-strength vehicle body structure component which is matched with buffer liquid, can better absorb the impact force during mine explosion, can adjust the vehicle body capacity, is flexible in practical application, is simple in in-vehicle space adjustment, and is good in practicability, and comprises an outer vehicle body structure, a chassis system and a movable vehicle body structure, the bottom end of the outer vehicle body structure is fixedly connected with a protection box body, the front end and the rear end of the protection box body are fixedly connected with side box bodies, the two side box bodies are communicated with the protection box body, the two side box bodies are connected with the outer vehicle body structure, the top end of each of the two side box bodies is provided with a plurality of top openings, a top plate is arranged in each of the plurality of top openings, buffer liquid is arranged in the protection box body and the two side box bodies, the chassis system comprises two longitudinal beams, the two longitudinal beams are fixedly connected through a plurality of cross beams, the outer vehicle body structure is connected at the top end of the two longitudinal beams, and the protection box body and the two side box bodies cooperatively form a semi-enclosing structure.

The utility model relates to the technical field of armor bulletproof, in particular to a passive electromagnetic protection structure which sequentially comprises high-density fiber cloth, a buffer gel layer, an outer metal layer, a porous ceramic layer, a loose fiber layer and an inner metal layer from outside to inside. The high-density fiber cloth fiber composite material and the buffer gel layer are shear thickening gel, the outer metal layer and the inner metal layer are steel plates or aluminum alloys made of the same material and are connected with a high-power pulse power supply, the porous ceramic layer is porous ceramic, the porosity is 10-40%, and the loose fiber layer is felt. According to the passive electromagnetic protection structure, each layer can exert the independent projectile blocking capacity from outside to inside, and the damage of a single incoming projectile can be greatly reduced by combining the passive electromagnetic protection function, so that the passive electromagnetic protection structure has the capacity of resisting continuous shooting of a plurality of projectiles.

The invention discloses a beetle elytra-imitated interlocking structure, a metamaterial plate comprising the beetle elytra-imitated interlocking structure and a composite armor system, and belongs to the field of multifunctional advanced protective materials. The interlocking structure comprises a plurality of functional elements arranged in a planar array, the adjacent functional elements are mechanically connected through geometric interlocking interfaces, the contact surfaces of the geometric interlocking interfaces are in a non-chemical bonding state and can generate relative dislocation under an impact load, and the geometric interlocking interfaces are in a non-chemical bonding state. Each functional element is integrally prepared from a polymer-based composite material dispersed with an electromagnetic loss filler, the interior of each functional element is of a three-dimensional porous micro-lattice structure with a negative Poisson's ratio effect, and the porosity and / or cell size of each three-dimensional porous micro-lattice structure are / is changed in a gradient manner in the thickness direction of the corresponding functional element. The metamaterial plate and the composite armor system using the interlocking structure can effectively inhibit structural layering under an impact load, can actively improve anti-penetration capability, and also have an excellent broadband electromagnetic wave absorption function.

A manufacturing method of an intelligent anti-terrorism protective door comprises the following steps: S1, making front and rear door panels; S2, cutting the composite door core panel materials; S3, making protective door frame; S4, assembling bulletproof and explosion-proof armored composite door core panel; S5, making the door frame; S6, decorating the surface of the protective door; S7, overall assembly; S8, installing the lock; S9, packaging the protective door. The manufacturing method is simple and easy to implement, with strict control over every aspect from raw materials, production processes, to quality control during the manufacturing process, ensuring the product quality. This not only makes the product fire-proof and anti-theft, but also has explosion-proof and bulletproof properties, effectively preventing explosions and bullet attacks, greatly improving the security of the protective door.

The invention discloses a low-cost recyclable three-dimensional bulletproof composite material, and relates to the technical field of bulletproof materials. The three-dimensional bulletproof composite material comprises an outer-layer aluminum skin, a bulletproof steel plate, a three-dimensional woven body and an inner-layer aluminum skin which are sequentially laminated from outside to inside, wherein the bulletproof steel plate is a grid-shaped bulletproof steel plate; the three-dimensional woven body is a Poisson's ratio three-dimensional woven body; the three-dimensional woven body comprises a woven base body and a foaming material filled in the woven base body. By means of the structural design, efficient energy absorption is guaranteed when the device is impacted, single block replacement and recycling treatment can be conveniently carried out, and therefore efficient utilization of resources is achieved.

The invention relates to the technical field of armored cars, in particular to a protective armor and an armored car, the protective armor comprises a protective layer, and the protective layer is a flexible protective layer; a plurality of sets of protection bags are fixedly arranged on the outer surface of the protection layer, each set of protection bag comprises a plurality of pockets, armor plates are fixedly installed in the pockets, fastening structures used for being fixed to a vehicle body are arranged on a left connecting part and a right connecting part of the protection layer, and a plurality of reinforcing layers are arranged on the protection layer at intervals in the X direction. The left side end of the reinforcing layer is arranged on the outer side of the left connecting part, and the right side end of the reinforcing layer is arranged on the outer side of the right connecting part. The device has the advantages of being convenient to store, mount and dismount and the like.

Implementations described and claimed herein provide a ballistic filler for a flexible soft body armor and methods of manufacturing the same. In one implementation, a first portion having a first subpanel is stitched directly to a second subpanel with a stitching pattern. The first subpanel has one or more layers of woven fabric, and the second subpanel has one or more layers of unidirectional fabric. A second portion backs the first portion. The second portion has one or more layers of unstitched unidirectional fabric.