The present application provides a full-coverage bulletproof backpack, which comprises: a backpack body, a double-shoulder strap, a first sandwich, and a second sandwich, wherein the double-shoulder strap is fixedly provided on the back side of the backpack body, and the first sandwich and the second sandwich are provided in the backpack body, wherein the first sandwich is fixedly provided with a first bulletproof part, and the second sandwich is provided with a second bulletproof part, the second sandwich is provided with a pulling structure, the upper side of the double-shoulder strap is provided with an upper fixing part, and the lower side thereof is provided with a lower fixing part.

A thermal protection barrier including a base layer having a plurality of baffles with perforated walls and a high melting temperature granular media disposed within the plurality of baffles. When the base layer is breached by a thermal threat, the granular media is operable to flow through the perforated walls of the plurality of baffles to provide a controlled flow of granular media to an area proximate the breach for thwarting the thermal threat.

A liquid storage system comprising: a tank for containing a liquid, the tank enclosing a liquid storage space; and a tank liner fixedly attached to an internal surface of the tank (16). The tank liner comprises: a plurality of elements, each element having a hardness value of 2 GPa or above; and a binder material in which the plurality of elements are embedded. The elements have a higher hardness value than the binder material. A distance between a first element and the internal surface of the tank in a direction normal to the internal surface of the tank is different to a distance between a second element and the internal surface of the tank in the direction normal to the internal surface of the tank, the first element being different to the second element.

Armor for lightweight ballistic protection is made up of composite tiles which can be assembled into modules. The modules can be assembled into panels and can be mounted on vehicles and aircraft and on the walls of shelters. The tiles have core layer(s) of non-homogeneous materials provided by particles of grit distributed in a plastic, preferably rigid polymeric matrix, and which are faced by a layer of high modulus stiff material such as ceramic. The tiles are preferrably backed by elastomeric material and may have sheets of composite material between the elastomeric layer and the non-homogenous core layer. The tiles may be stacked, forming modules and the modules assembled in rows to form panels. An incoming object causes the facing layer to distribute the impact force over a large area of the non-homogeneous grit/polymeric core layer which fractures and absorbs the impact and shock waves, both the compressive direct wave and the tensile wave reflected from the back interface. The non-homogenity and distributed grit particles in the core layer also serve to reflect and disperse the shock wave. The elastomeric layer also aids in distributing the shock wave. In response to the impact and shock waves and projectile penetration, the non-homogeneous grit/polymeric core layer cracks, pulverizes and disintegrates resulting in high energy absorption by crack propagation. Also the small debris particles which are generated absorb kinetic energy as they are propelled into motion, diverted and scattered.

A multilayered bullet resistant member, including a three-layered structure formed of a metal-ceramic crack arrest reflecting layer, a fiber-elastomer composite energy absorbing layer and a two-dimensional fabric blunt trauma protective layer sequentially overlapped with each other. The integration of performances of all the components guarantees high strength, hardness and good impact toughness of the bullet resistant member.

A multi-layer body armor plate includes a strike plate; a mesh layer positioned over the strike plate, the mesh layer having a number of open cells; and an outer skin layer positioned over the mesh layer so as to encapsulate the open cells of the mesh layer between the strike plate and the outer skin layer. The open cells of the mesh layer may entrap air or may be filled with expandable, buoyant foam.

Apparatus and methods for reducing injury or damage from an explosive device are disclosed. An example apparatus includes a housing and at least one inflator coupled to the housing. The apparatus also includes a shield coupled to the housing. The shield has a plurality of channels coupled to the at least one inflator. The shield also has a compact position and an expanded position. The plurality of channels are configured to receive a fluid from the at least one inflator and thereby at least partially advance the shield from the compact position to the expanded position.

The present application provides a full-coverage bulletproof backpack, which comprises: a backpack body, a double-shoulder strap, a first sandwich, and a second sandwich, wherein the double-shoulder strap is fixedly provided on the back side of the backpack body, and the first sandwich and the second sandwich are provided in the backpack body, wherein the first sandwich is fixedly provided with a first bulletproof part, and the second sandwich is provided with a second bulletproof part, the second sandwich is provided with a pulling structure, the upper side of the double-shoulder strap is provided with an upper fixing part, and the lower side thereof is provided with a lower fixing part.

A bulletproof structure includes bulletproof bodies and a bulletproof substrate, wherein the bulletproof bodies are provided with arc-shaped surfaces, and a plurality of bulletproof bodies are uniformly fixed on the bulletproof substrate. According to the bulletproof structure, when bullets hit the bulletproof structure, the surfaces are arc-shaped surfaces, so that the direction of the bullets is easy to change after the collision, and the impact force is reduced, thereby achieving a protection effect.

A ballistic tile for use in an imbricated pattern of like ballistic tiles to achieve coverage of a protected area by the imbricated pattern, while having rounded corners to limit the potential for spalling on ballistic impact. The ballistic tile may include a strike face that is generally undulating to laterally deflect at least a portion of the impact force, and to induce turning of the ballistic projectile on impact to further distribute the impact force. The ballistic tile may also include one or more features on an obverse and reverse side thereof that, when arranged in an imbricated pattern, limit lateral motion of the tiles on ballistic impact, and/or laterally transmit the energy of the projectile for deflection and absorption thereof.