摘要:
Force diversion apparatus, methods and devices including the same result in rotational motion being imparted to an impacting object. The apparatus, methods and devices may include, or may involve the use of, a force conversion portion, secured to the outer surface of a bumper, and a force spreading portion.
摘要:
A wearable utility instrument assembly including a headgear and at least one utility instrument. The utility instrument is shaped and sized to be securely retained and concealed within the brim portion of the headgear. The utility instrument is removable from the brim portion and deployed via a hand-grip of the utility instrument that is accessible to the wearer of the headgear while the utility instrument is retained in the brim portion.
摘要:
The helmet appliqué assembly of the present invention permits a helmet wearer to upgrade the ballistic prevention capabilities of a traditional helmet quickly and efficiently. The helmet appliqué can be provided as part of a helmet appliqué system and/or assembly that includes internal-side connection means for attaching to a helmet and external-side connection means for receiving any of various external items such as identification tags, mounts and external equipment or attachments. The appliqué element can comprise various types of material, including, for example, ultra high molecular weight polyethylene (UHMWPE). In one embodiment of the present invention, multiple helmet appliqué elements are employed on the same helmet and include surfaces and portions that are cooperatively engageable for covering multiple areas of the helmet at the same time.
摘要:
A composite armor plate includes a fracture layer placed adjacent to a ceramic layer. The ceramic layer provides a ballistic resistant layer that receives a ballistic impact and propagates a compression wave. The fracture layer is placed behind the ceramic layer and absorbs a portion of the compression wave propagating out in front of the ballistic impact. The absorbed compression wave causes the fracture layer to at least partially disintegrate into fine particles, which dissipates energy in the process. To cause a higher degree of fracturing (and thus larger dissipation of compression wave energy) the fracture layer includes a plurality of resonators embedded in a fracture material.
摘要:
Methods and apparatus are provided for a seamless ballistic resistant helmet. In one exemplary embodiment the helmet comprises high performance fibers consolidated with a matrix material and arranged in a plurality of substantially seamless layers.
摘要:
Rubberized polyolefin fabrics, particularly rubberized polyolefin fiber containing fabrics and a method for vulcanizing rubber without melting or lowering the performance of the fibers. A plurality of fibrous layers are molded and rubberized under high pressures, producing fabrics having customized stiffness properties.
摘要:
A light weight pre-stressed antiballistic article including a monolith ceramic plate/tile bonded to a thin lightweight thermal expansion material with an adhesive, characterized, in that the thermal expansion material has a thermal expansion coefficient at least 50% higher than the ceramic plate/tile, and the thermal expansion material is bonded to either the front face, back face or both faces of the ceramic plate/tile at a bonding temperature of between 50° C. and 250° C. with adhesive and subsequently cooled, whereby upon cooling, the bonded thermal expansion material contracts to a greater extent than the ceramic plate/tile, exerting compression stress on the ceramic plate/tile.
摘要:
The general field of the invention is that of helmet shells made of composite material comprising at least one “armure” of fabrics impregnated with a resin matrix. Certain parts of the “armure” are impregnated with a resin matrix comprising an additive adapted to reinforce the mechanical strength of the helmet, the said parts corresponding to the weakest zones of a human head, such as the top of the head or the ears. Preferably, the resin is of the epoxy type and the additive is based on acrylic block copolymers. More precisely, the additive is of the “Nanostrength®” brand.
摘要:
Methods for manufacturing cast titanium helmets include casting a helmet in an oversized mold. The resulting oversized cast helmet is then exposed to a hot isostatic press (HIP) process that applies heat and pressure for a predetermined period of time. The resulting oversized cast helmet is then exposed to an acid bath that chemically mills the helmet to a desired thickness and removes contaminants formed during casting of titanium.
摘要:
Multi-panel ballistic resistant articles formed from woven and/or non-woven fibrous panels, each panel including varying quantities of a polymeric composition based on the total weight of the fibers and the polymeric composition. The hybrid structures provide excellent ballistic penetration resistance while maintaining a low weight. The ballistic resistant articles may be strategically positioned to dial in different levels of desired ballistic resistance for various applications.