22 results about "Kevlar" patented technology

An Active Shooter Protection System (ASPS), comprising a variety of gravity-operated mechanisms for deploying one or more ballistic sheets, panels, or blankets of woven ultra-high-strength polymeric fiber (e.g., Kevlar™) directly in front of a door, such as in a school room. The deployment of a ballistic blanket is initiated by pulling down on a pull box, which activates a release that lowers down one or more segments of the ballistic blanket that is stored above a top of a door plate. The ASPS system includes means for securely locking the door shut (in addition to a dead bolt lock). The ballistic panels can include optional ceramic inserts for greater protection from high-power AR-15 rifles.

The present invention belongs to the field of flexible sensor technology, specifically relating to a capacitive pressure sensor and a dual-mode pressure sensor based on laser direct writing, as well as their preparation methods and applications. The capacitive pressure sensor comprises two identical composite electrodes; the composite electrodes are produced by secondary laser direct writing onto a PDMS layer in a resistive pressure sensor. The resistive pressure sensor comprises a Kevlar / graphene substrate layer and a PDMS layer; the PDMS layer is coated on the graphene surface of the Kevlar / graphene substrate layer; the Kevlar / graphene substrate layer is formed by laser direct writing onto the surface of a Kevlar fabric. The dual-mode pressure sensor comprises the capacitive pressure sensor and the resistive pressure sensor.

The invention relates to a low-damage secondary energy-gathered jet cutting device for a fiber composite material. Comprising a buffer protection cover, a linear cutter module, a shaped charge module and an explosive-proof body arranged between the linear cutter module and the shaped charge module. The shaped charge module consists of a plurality of micro shaped charge units which are linearly arranged, and is used for pre-puncturing a row of pre-guide holes to form a continuous stress concentration line and a crack propagation prefabricated path; and the linear cutter module is detonated in a delayed mode, and final cutting is completed along the prefabricated path. According to the method, the problems of material tearing, layering, rough cutting boundary and the like are solved through a pre-guiding-post-cutting cooperation mechanism by means of guiding of prefabricated stress concentration points and sequential control of subsequent cutting, the smoothness and quality of a cutting surface are improved, the fiber damage problem is reduced, and the production efficiency is improved. And the method has a wide application prospect in precise cutting of high-performance composite materials such as carbon fibers and Kevlar used in the fields of aerospace, rail transit, high-performance ships and the like.

The present application provides a kind of multifunctional flexible composite protective structure and preparation method thereof, the composite protective structure is from outer layer to inner layer in turn nanofiber aerogel phase change composite film (KNA / PEG), nanofiber aerogel film (KNA), silica aerogel composite fiber felt, shear hardening / kevlar (SSE / Kevlar) protective main structure, the shear hardening / kevlar protective main structure is the shear hardening precursor Kevlar prepreg stack after heat treatment obtained.The multifunctional flexible composite protective structure of the present application has very low thermal conductivity, low density, flame retardancy, low infrared emissivity, flexibility and impact protection, can block the heat of soldier human body and limit the emission of infrared thermal radiation.

The utility model discloses a lightweight high-strength communication cable, which comprises a conductor assembly, an insulating layer, a shielding layer, an enhancement layer and an outer protective layer, the conductor assembly is composed of a silver-coated copper wire, the diameter of the silver-coated copper wire is set to be 0.5 mm, the conductor assembly is of a multi-core structure composed of a plurality of silver-coated copper wires, and the outer protective layer is arranged between the plurality of silver-coated copper wires. The shielding layer is composed of a shielding layer inner layer and a shielding layer outer layer, the shielding layer inner layer is made of a silver-plated polyester film, the shielding layer outer layer is made of a woven nickel-coated aluminum metal net, the reinforcing layer is composed of a first reinforcing layer and a second reinforcing layer, the first reinforcing layer is made of Kevlar fiber braided fabric, and the second reinforcing layer is made of a Kevlar fiber braided fabric. And the reinforcing layer II is made of a high-performance polymer. Through the above structure, compared with a traditional steel or metal enhancement layer, the cable is light in weight and high in strength, the overall weight of the cable is further greatly reduced, installation and maintenance are convenient, the effect of double shielding layers is achieved, and signal integrity and anti-interference performance are guaranteed.

1. Name of the product in this design: Scissors (Kevlar). 2. Purpose of this design: Cutting paper. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The aramid fiber self-adaptive wrapping interception structure is made of dual-modulus Kevlar fabric and can automatically contract in the radial direction under the impact of a high-speed conical penetration body, encircle a conical surface and form self-locking, and slippage, penetration and secondary damage of the penetration body are effectively prevented. The structure is flexible, lightweight and comfortable to wear, can be independently used or compounded with a shape memory alloy protection plate to form an efficient double-layer bulletproof system, and is suitable for mass production application of military police bulletproof equipment.

1. The name of the product of this design: Ski hip shorts (Kevlar KFLHT02). 2. Purpose of this design product: shorts for wearing during exercise. 3. The key design point of this design product lies in the combination of shape and pattern. 4. The picture or photo that best illustrates the design points: three-dimensional picture. 5. Other circumstances requiring clarification: The white model is used to display the product and is not within the scope of protection of this design.

1. Name of the designed product: cutter (Kevlar aramid). 2. Use of the designed product: for cutting. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: perspective view.

1. The name of the design product: protective shell (Kevlar anti-falling shell). 2. The use of the design product: for protecting mobile phones. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

A safety device for a breaker hammer is provided to enhance safety by preventing stray debris from flying out during operation and causing injury or damage within the operating environment. The cover device comprises multiple layers: EPDM heavy-duty rubber as a base, 304 stainless steel woven wire net for filtration and heat resistance, heavy-duty filter fabric for additional particle capture, and Kevlar fabric for impact resistance. These layers are bonded together and secured around the hammer with ratchet tie-down straps. This protective cover ensures debris containment, reduces the risk of injury and property damage, and allows construction work to proceed safely in high-traffic areas. The device's design balances durability, flexibility, and ease of installation, making it suitable for various construction settings.

1. The name of the design product: mobile phone protective shell (Kevlar star river series). 2. The use of the design product: for protecting and decorating mobile phones. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: perspective view.

A protective shirt designed to prevent puncture and abrasion injuries while maintaining comfort, flexibility, and a professional appearance. The shirt includes a multi-layer fabric construction comprising an outer layer of spacer fabric for cushioning, a middle layer of puncture-resistant material such as para-aramid fibers (e.g., Kevlar®), and an inner layer of soft jersey knit fabric for skin comfort. The shirt features long sleeves with integrated cuffs and thumb openings, a front yoke with a zipper for easy wear, and strategically positioned breathable mesh panels at the underarms and back for temperature regulation. Suitable for medical professionals, educators, mental health providers, and individuals with autism or other conditions that may lead to self-injury, the shirt combines protection with aesthetics and mobility. It may be worn in clinical, educational, and everyday settings without drawing unwanted attention, offering both safety and discretion.

The utility model provides a UTP cable of a vehicle sliding door. The UTP cable sequentially comprises twisted pair wire cores, a filling layer, a polyester belt and a sheath from inside to outside. Each wire core comprises a conductor and an insulating layer wrapping the periphery of the conductor; the conductor is formed by twisting 19 strands of wires; each strand of lead is formed by twisting seven aluminum coating basalt fibers with the diameter of 23 microns; the insulating layer is made of a PP material; and the sheath is made of a modified TPE-S material. And the filling layer is made of 500D NY (Nitrogen Yarn) wires or Kevlar (Kevlar). The diameter of the conductor is 0.13 mm < 2 >. The UTP cable provided by the utility model has the characteristics of high tensile strength, bending resistance and reciprocating motion resistance.

Waterproof covers for prosthetics. The waterproof cover may be used with a prosthetic hand or other prosthetics or orthotics. The waterproof cover protects the interior components of the prosthetic. The cover may be flame-resistant. The cover may include two layers. An example cover may have an external layer of fabric knitted from aromatic polyamide (meta-aramid) fiber such as NOMEX® yarn and an interior polyurethane or silicone layer. Another example cover may have a single layer, made of woven aromatic polyamide fiber such as NOMEX or Kevlar® with a silicone coating on one or both sides. For a prosthetic hand, the cover may extend between a thumb and a palm.

The utility model discloses a dynamic application data transmission cable for a humanoid robot body. The filling strip is located in the center of the cable, the four signal transmission core wires are arranged around the filling strip as the center to form the star-quad cable in a surrounding mode, the cable is coated with an aluminum-plastic composite belt, the aluminum-plastic composite belt is coated with a tinned copper foil wire braid layer, and the tinned copper foil wire braid layer is coated with a PUR outer sheath. According to the utility model, the distribution of the data signal core wires is reasonably arranged, and the FEP insulating material has high tensile strength, excellent wear resistance and fatigue resistance. The Kevlar and the thermoplastic elastomer can provide stable signal transmission and play a role of a central tensile element. The tinned copper foil wires have good tensile and torsional performance and small hardness, the situation that broken wires pierce the core wires to affect signal transmission can be avoided, and the PUR sheath has good flexibility and elasticity, is not prone to being broken or twisted off and can adapt to a smaller bending radius of a narrow space of the humanoid robot.

The utility model discloses a buckle type dual density foaming helmet, the foaming helmet comprises a foaming polypropylene EPP shell, a foaming polystyrene EPS shell, an aramid fiber KEVLAR fiberboard and a buckle structure, the middle area of the EPP shell is provided with an opening area, the EPS shell is installed in the opening area, and the KEVLAR fiberboard is attached to the top of the EPS shell; a buckle structure is arranged between the EPP outer shell and the EPS outer shell, the EPS outer shell is installed in the opening area based on the buckle structure, the aramid fiber KEVLAR fiber board is attached to the top of the EPS outer shell, impact force can be effectively absorbed and dispersed, the protection performance of the helmet can be remarkably improved, and the safety performance of the helmet is improved. A buckle structure is arranged between the EPP shell and the EPS shell, installation of the EPP shell and the EPS shell is achieved through the buckle structure, and according to the technical scheme, the problems that according to a dual-density combined type foaming helmet, glue attachment is not environmentally friendly, aging and falling are prone to occurring, and the structure is complex are solved.

The utility model discloses an ultrasonic knife cable assembly which comprises a shell and a wire riveting pipe assembly which are connected with each other, at least part of the wire riveting pipe assembly extends into the shell, and at least one through hole is formed in the side wall of the wire riveting pipe assembly; a composite cable is arranged in the wire riveting pipe assembly, and the composite cable comprises at least one wire and at least one Kevlar. The wire penetrates through the wire riveting pipe assembly and extends into the shell; the Kevlar extends out of the through hole of the wire riveting pipe assembly and is knotted, and the knotted position is in limiting fit with the wire riveting pipe assembly. According to the utility model, through the arrangement of the Kailaff and the specific structure thereof, the electrical performance and the appearance of the cable assembly can be ensured not to be affected when the ultrasonic knife cable assembly bears accidental pulling force, namely pulling force of more than 300N, and people are prevented from mixing wires during walking.

The invention relates to a preparation method of a high-temperature-resistant bulletproof composite board for an armored car and the high-temperature-resistant bulletproof composite board, which is characterized in that a bulletproof material with Dupont Kevlar 400g 3000D cloth specification is adopted, and after being soaked with an acid ester ethylene / propionate copolymer emulsion, the bulletproof material is heated to 80 DEG C by infrared rays for 60 minutes and cured for later use; preparation of a glass fiber composite layer: preparing a bulletproof material with a high-temperature-resistant glass fiber 380G cloth specification; after soaking with an acid ester ethylene / propionate copolymer emulsion, heating to 80 DEG C for 60 minutes by utilizing infrared rays, and curing for later use; the Kevlar fiber composite layer is stacked on the glass fiber composite layer, and the surface seawater waterproof cloth is attached to the surface of the Kevlar fiber composite layer; and pressurizing to a preset thickness by using a 500T press vulcanizer at the pressurizing temperature of 90 DEG C for 24 hours to obtain the composite board. Compared with an existing composite board, the composite board is lighter, stronger and higher in high-temperature resistance, so that the protection performance and maneuverability of the armored car are improved, more units can be equipped with advanced armored protection systems, and the overall defense capacity is improved.

The invention relates to the technical field of cable sheaths, and particularly discloses a superfine high-flame-retardant CAT6A signal transmission cable and a preparation method thereof.After a conductor is coated with an insulating HDPE composite material to form an insulating core wire, Kevlar fibers serve as filler and are coated with a polytetrafluoroethylene tape, and a cable core is formed; and finally, the cable core is coated with the flame-retardant TPE composite material, so that the prepared cable is good in flame retardance, can be self-extinguished after being away from fire, is excellent in insulating property, meets the development requirements of the network equipment connection industry, and has the transmission performance of TIA Patch Cord Cat6A 15.0 m signal integrity.

This invention relates to the field of cable sheathing technology, specifically disclosing an ultra-fine wire high flame-retardant CAT6A signal transmission cable and its preparation method. The invention involves wrapping an insulating HDPE composite material around a conductor to form an insulated core wire, then using Kevlar fiber as filler and covering it with polytetrafluoroethylene tape to form the cable core. Finally, a flame-retardant TPE composite material is wrapped around the cable core. The resulting cable exhibits excellent flame-retardant properties, self-extinguishing after being removed from the fire, and superior insulation performance, meeting the needs of the network equipment connection industry. It also possesses signal integrity transmission performance at 15.0m using TIA Patch Cord Cat6A.

The application discloses a preparation method of a Kevlar protective shell with a damping structure and relates to the technical field of Kevlar protective shells. The preparation method comprises the following steps: S1, placing cut Kevlar pieces and organic silica gel in a forming mold, wherein one outer side of the organic silica gel is provided with a layer of TPU, and the outer side of the organic silica gel provided with the TPU is attached to the Kevlar; S2, the forming mold is firstly subjected to hot press forming, so that the Kevlar is bonded to the organic silica gel through the TPU, and a main body formed by the Kevlar and the organic silica gel is pressed into a protective shell semi-product with a back plate and a frame, the organic silica gel forms an inner side surface of the protective shell semi-product, and the Kevlar forms an outer side surface of the protective shell semi-product; S3, the forming mold is then subjected to cooling, so that the protective shell semi-product is cooled and formed; and S4, the frame of the protective shell semi-product is subjected to edge rolling through an edge rolling machine, so that the protective shell is obtained, the corner is smooth, the protective shell has a damping structure, and the preparation process is more simple and convenient.