79 results about "Personal protective equipment" patented technology

A shock absorber assembly (10, 10′, 10″) for a personal protective equipment and a deformable element (10a, 10a′, 10a″) for such a shock absorber assembly (10, 10′, 10″). The shock absorber assembly (10, 10′, 10″) comprises a deformable element; (10a, 10a′, 10a″) exhibiting a mechanical resistance against deformation and a flexible strap (16, 17) comprising a middle portion (16b) and two free end portions (16a) facing away from each other. The middle portion (16b) is tightly wrapped around the deformable element (10a, 10a′, 10a″) such that pulling the free end portions (16a) away from each other deforms the deformable element (10a, 10a′, 10a″). A protective helmet (100), a welding helmet (200), a face shield (400) or a respiratory device (300) comprising a hard shell (110, 210, 310, 410) and a shock absorber assembly (10, 10′, 10″) according to the present disclosure, wherein the hard shell (110, 210, 310, 410) of the protective helmet (100) comprises attachment means (130) for connecting the strap (16, 17) of the shock absorber assembly (10, 10′, 10″) to the hard shell (110, 210, 310, 410).

Disclosed are an apparatus, system, and method of a visual sensor of a tactical gear to use facial recognition technology to identify a person of interest and to cause a responsive device on the tactical gear to notify a wearer. In one embodiment, a personal protective equipment includes a responsive device integrated in a tactical gear and a visual sensor. The visual sensor of the tactical gear identifies a target person using an identity artificial intelligence model. The responsive device notifies a wearer of the tactical gear when the visual sensor identifies the target person. Further, the responsive device notifies an additional person when the visual sensor identifies a threat to a protectee of the wearer and the additional person. The responsive device may vibrate when the visual sensor of the tactical gear detects an ambient threat to the protectee of the wearer.

Disclosed are a method, system, and apparatus of a biometric sensor of a tactical gear to monitor health and stress of a wearer. In one embodiment, personal protective equipment includes a language translator module integrated in a tactical gear, a biometric sensor, and a responsive device integrated in the tactical gear. A wearer bi-directionally communicates with an individual in an ambient environment using any language other than a primary language spoken by the wearer when the language translator module is activated. The biometric sensor detects the health condition of the wearer. The responsive device vibrates to notify the wearer when the biometric sensor detects an elevated stress level of the wearer of the tactical gear. The biometric sensor is detachable from the tactical gear and placeable on an injured person nearby to the wearer through an armband extendable from the biometric sensor when it is removed from the tactical gear.

The application relates to a personal protective equipment wearing compliance identification method and system and electronic equipment. The method comprises the following steps: obtaining a two-dimensional image containing an operator wearing personal protective equipment; identifying the two-dimensional image to generate a human skeleton model and an equipment component model respectively; based on the human skeleton model and the equipment component model, a human-equipment semantic topology graph is constructed through hierarchical constraint solving; and based on a preset compliance constraint library, wearing compliance identification is performed on the human-equipment semantic topology graph to obtain an identification result. The method solves the technical problem that the prior art cannot accurately determine whether correct physical connection and structural topology relationship are formed between equipment components according to safety specifications, and can only identify the 'existence' and 'approximate position' of components, resulting in a high false alarm rate and poor reliability. The method achieves the technical effects of accurately restoring the real wearing structure of the equipment, effectively identifying hidden safety hazards and significantly reducing the false alarm rate and the missed detection rate.

The invention relates to the technical field of radiation protection, in particular to personal protection equipment for radiation detection, which comprises a helmet body, a support ring, connecting cloth and a protection component, and the protection component comprises an assembly groove, two standby grooves, a filter element, a magnetic annular unit, a lifting pushing unit and a transverse pushing mechanism. The lifting pushing unit drives the filter element needing to be replaced to move downwards, the filter element is pushed into the magnetic attraction annular unit through the transverse pushing mechanism and driven to the outside of the assembling groove through the magnetic attraction annular unit to be cleaned, and meanwhile the unused filter element is pushed out of the standby groove to be used in a linkage mode. After the external filter element is cleaned, the filter element is put into the assembly groove again for use; therefore, the working efficiency of ionizing radiation monitoring is remarkably improved, meanwhile, radioactive cross contamination of working places or workers caused by the fact that the workers need to enter and exit a high-activity area, a low-activity area, a clean area and other related areas of a non-sealed radioactive substance working place when the filter element is replaced is avoided, and therefore the physical health and life safety of the radiation workers are ensured.

A protective textile used for manufacturing personal protective equipment includes at least three yarns. A first composite yarn includes a tungsten core, a sheath made of a polyester filaments covering the tungsten core, and an outer layer comprising a plurality of para-aramid filaments wrapped around the sheath. A second composite yarn has a spandex core with polyester wound around it. A third yarn is made of fire-resistant spun acrylic. All three yarns are combined into a single feed to manufacture the protective textile, which can be formed into a glove or a sleeve. A fourth yarn made of a rubber core wrapped in a double covering of polyester may be used in the cuffs of the glove / sleeve for additional elasticity. A fifth yarn having a spandex core covered with fire-resistant spun acrylic fiber may be used in the palm of the sleeve for additional coverage and elasticity.

This invention discloses an anti-yellowing, highly breathable, three-dimensional molded mask and its preparation method, belonging to the field of personal protective equipment technology. The mask is composed of a surface layer, a middle support layer with a three-dimensional mesh structure, and an inner layer, which are molded together. The edge area of ​​the mask is sealed by directly bonding the surface layer and the inner layer, encapsulating the edges of the sandwich fabric; simultaneously, adhesive penetrates the edge mesh of the middle support layer fabric, wrapping the fiber cross-section to form an anti-yellowing encapsulation layer. This adhesive uses an aliphatic PUR prepolymer as the base resin, compounded with an antioxidant system, ultraviolet absorbers, and physical pore-forming agents to achieve multiple layers of protection. The preparation method of this invention improves breathability by applying a dotted or mesh-like coating to the middle area, and then heat-presses twice to form a mask with a three-dimensional shape. This invention solves the problem of the inability to simultaneously address yellowing resistance, edge itching, and poor breathability, resulting in a three-dimensional mask that combines long-lasting aesthetics, skin-friendly comfort, and high breathability.

The present application relates to a kind of construction personnel personal protective equipment and personnel accurate association method and system, method includes: obtaining the image that has defined multiple personnel target frame and protective equipment target frame;For each protective equipment target frame, calculate its with each personnel target frame The ratio of intersection, and filter candidate associated personnel based on this;Obtain the human key point position corresponding to each personnel target frame;Calculate the minimum distance from the center point of protective equipment target frame to each candidate personnel relevant key point;The ratio of intersection and key point distance is mapped to percentile scale and fused to generate association quality score;Finally, based on association quality score, and follow single personnel standard wearing quantity constraint Global optimization distribution is carried out, the accurate association of personal protective equipment and personnel is realized.The present application can realize the accurate determination of personal protective equipment attribution in complex and dense scene, and provides core technical support for intelligent and personalized safety compliance inspection.

Modular personal protective equipment (PPE), comprising interconnected wearable monitoring and communications components integrated in personal safety equipment including helmet, glasses and vest. T

Metal nanoparticle agglomerates may aid in promoting infection control over an extended period of time when adhered to a touch or contact surface of personal protective equipment, such as gloves or garments. Gloves may comprise a body having one or more touch surfaces when worn, and metal nanoparticle agglomerates adhered to a material defining the one or more touch surfaces. The gloves may further comprise an identifying tag associated with the material. The identifying tag may be electronically identifiable, which may track, for example, how long the gloves have been in use, whether the gloves have been worn, conditions under which the gloves have been worn, and / or locations where the gloves have been worn. Other personal protective equipment and garments may similarly comprise metal nanoparticle agglomerates adhered to at least a portion of a material shaped for wear, optionally including an identifying tag associated with the material.

Flameproof material for wearables, personal protective equipment, lithium-ion battery flame protection, and general flame protection are disclosed. A particular embodiment includes a flameproof material comprising: a first material being a combination of Oxidized Polyacrylonitrile (PAN) fiber and Para-aromatic polyamide (P-aramid) fiber; a second material being a combination of Oxidized PAN fiber, fire-resistant rayon (FR-rayon), and P-aramid fiber; and a third material being a combination of silica aerogel and fibrous glass configured for bonding with the first or second materials, the second material being configured for bonding with the first or third materials.

The uniqueness of the presented invention is a biofidelic, metamaterial structured, integrated with wireless sensors, modular, reusable, and anatomically accurate human surrogate (for both male and female) designed for testing and evaluation of personal protective equipment (PPE), and blast environments. Structured with metamaterials, the surrogate demonstrates a biofidelic response to blast overpressure. Metamaterials tailored for blast applications manipulate properties such as wave speed, acoustic impedance, and frequency response to match human tissues with minimized complexity. Incorporating technology from wearable blast sensors, the Blast Overpressure Body (BOB) provides high-resolution, high sampling rate, and time-synchronized simulated human blast data. Its modular design allows for easy replacement of damaged parts, alternative testing scenarios, and enhanced biofidelity, increasing flexibility and reusability. The BOB is a tool for testing, evaluating, and developing PPE and weapon systems, and for research, surveillance, and mitigation of blast exposure in military, industrial, civilian, and law enforcement contexts.

Improved personal protective equipment facial wear including, in one embodiment, an at least partly adhesive mask, and one or more adhesive eye shields. In one implementation, the mask avoids significant contact with the delicate periorbital skin of the wearer, yet provides a substantially airtight seal so as to preclude moisture vapor transfer and “fogging” of eyeware or instruments. In another implementation, adherence of the eye shield is at least partially overlapping with the mask and creates an at least partial seal around a perimeter of the eye shield. Further, an at least partial seal is formed around a perimeter of the mask. The mask and eye shield additionally prevent nasal air flow obstruction, and address the problem of skin irritation and attachment during normal facial expression and movement of the wearer.

The invention relates to a method and a system for accurately associating personal protection equipment of construction personnel with personnel. The method comprises the following steps of: acquiring an image in which a plurality of personnel target frames and protection equipment target frames are defined; for each protection equipment target frame, calculating the intersection ratio of the protection equipment target frame and each personnel target frame, and screening candidate associated personnel based on the intersection ratio; obtaining a human body key point position corresponding to each person target frame; calculating the minimum distance from the central point of the target frame of the protection equipment to the related key point of each candidate person; mapping the intersection ratio and the key point distance to a percentile scale and fusing the intersection ratio and the key point distance to generate an associated quality score; and finally, on the basis of the association quality score, performing global optimization distribution by following a single-person standard wearing number constraint, and realizing accurate association of the personal protection equipment and the person. According to the method, the affiliation of the personal protection equipment in a complex and dense scene can be accurately judged, and a core technical support is provided for intelligent and personalized safety compliance inspection.

A meltblown material formed from bicomponent fibers that can withstand the effects of a gamma irradiation sterilization process without negatively impacting bacterial filtration, particulate filtration, and / or breathability of personal protective equipment products formed from the meltblown material (e.g., facemasks, surgical gowns, surgical caps, etc.) is provided. The bicomponent fibers include a polyester-based sheath and a polyolefin-based core. Further, both the sheath and core include specific antioxidants and charge enhancer packages that allow for the effective electret treatment of the resulting meltblown material prior to sterilization, where the filtration efficiency and pressure differential of the material are still adequate post-sterilization.

The invention relates to the technical field of personal protection equipment, in particular to a variable-configuration armor with built-in modular anti-impact energy absorption units. The big arm armor and the forearm armor are both in a hollow circular truncated cone shape. The triangular units are arranged to replace composite materials, ceramic blocks and other modular structures in a traditional armor, the weight of the armor and internal modules can be effectively reduced, the lightweight effect is achieved, when the armor is impacted, the middle negative Poisson's ratio connector can be passively stretched, pores in the negative Poisson's ratio connector can be enlarged, and the negative Poisson's ratio connector can be effectively prevented from being damaged. The vast majority of the energy is converted into elastic potential energy, and the periodic porous network uniformly disperses the load to the whole structure, so that local stress concentration is avoided, and the stability and controllability of the energy absorption process are ensured, thereby further enhancing the impact resistance on the basis of realizing light weight; the technical problem that an existing arm armor is insufficient in impact resistance while light weight is guaranteed is solved.

The application relates to the technical field of personal protective equipment, in particular to an energy-absorbing cushion honeycomb structure helmet based on a negative Poisson's ratio and a preparation method thereof; a helmet shell is located at the outermost layer; a stabilizing layer, a honeycomb layer and a cushion layer are sequentially arranged from outside to inside in the helmet shell; the honeycomb layer comprises a plurality of reentry hexagonal honeycomb units; the honeycomb units are in the shape of hourglasses with the middle part being concave inward and being centrally symmetrical; and the honeycomb units are arranged in a honeycomb array mode; the helmet structure and the preparation method are designed, the problems of unreliable connection of the honeycomb structure, uncomfortable wearing and insufficient energy absorption in the prior art are solved, a more comprehensive and reliable head protection scheme is provided, the application is based on systematic reconstruction after deep understanding of the negative Poisson's ratio mechanical mechanism, the logical paradox of direct contact in the prior art is overcome, and the interface failure problem of the combination of the porous structure and the homogeneous layer is solved.

The present invention relates to a safety compliance, identification, and security monitoring system that includes a monitoring device operable to capture images / videos of a predefined area and persons and events within the area. The monitoring device is further operable to determine whether persons within the area are wearing required personal protective equipment. In one embodiment, the monitoring device initiates an alert a safety equipment infraction. In one embodiment, the system is operable to further record an incident report identifying the nature, date, and location of the infraction, as well as the identity of the person committing the infraction. In one embodiment, the system is operable to monitor various external conditions, such as heat, humidity, smoke, and initiate an alert of the external condition detected. In one embodiment, the system detects quality assurance / quality control issues, including situations involving inspecting equipment, tools, and / or materials for non-conformance.

Systems, methods, and other embodiments for removably attaching personal protective equipment (PPE) to an air intake device, including an air intake device having a removable filter, a personnel protective equipment (PPE), wherein the PPE includes an opening located on a portion of the PPE such that the opening is sized and shaped to accommodate one end of the removable filter, a sealing flange operatively connected to the opening, a gasket seal, wherein the gasket seal is configured to be retained within the sealing flange, and a plurality of fasteners located around a periphery of the one end of the removable air filter, wherein the plurality of magnets are configured to interact with the gasket seal and sealing flange to removably attach the PPE to the removable air filter.

Food service establishments require consistent use of personal protective equipment (PPE) to maintain hygiene and comply with health regulations; however, PPE distribution, attendance recording, and compliance monitoring are commonly performed manually and as separate processes, leading to inconsistent enforcement, human error, and poor record management. Existing automated solutions typically address only dispensing or monitoring and are not tailored for restaurant environments. The utility model is an automated system for dispensing personal protective equipment (PPE) that combines RFID-based employee identification, controlled PPE dispensing, attendance tracking, and camera-based compliance monitoring. It uses machine-learning analysis of images to detect PPE non-compliance and sends real- time alerts. All data are stored in a cloud database for monitoring and reporting, enhancing hygiene enforcement and operational efficiency.

The Wearable air purifier sought to be patented here is a new type of PPE among products such as Facial masks and Facial hoods. It achieves the objective of breathing in pure air in the least physically invasive manner while Facial masks and Facial hoods are extremely physically invasive. The discomfort of a fabric pressing against parts of human face and the difficulty imposed on the breathing process is avoided by wearing a Wearable air purifier. Along with the movable transparent visor, the Wearable air purifier is a clean air supply device in a design and form profile that all are familiar with, the baseball cap.

The present disclosure pertains to an environmental technology apparatus designed for carbon capture and reduction of greenhouse gases. The solution involves a cleaning apparatus comprising a fibrous body infused with a binding agent and a carbon capture agent, such as Potassium Carbonate (K2CO3), Calcium Hydroxide (Ca(OH)2), or Sodium Carbonate (Na2CO3). The apparatus features multiple layers, including an outer absorbent layer and an inner layer infused with the carbon capture agent, enhancing the environmental profile by actively reducing CO2 emissions. The primary use of this apparatus is in cleaning applications, with potential extensions to air filters, personal protective equipment, and other fibrous materials. The method of manufacture involves creating a homogeneous carbon capture mixture and integrating the mixture with substrates like paper pulp or sustainable fibrous alternatives such as bamboo and hemp, forming a functional cleaning apparatus ready for carbon dioxide capture.

A coated barrier fabric for use in a reusable personal protective equipment product is provided that has two woven, knitted, or non-woven plies. Each of the plies are coated on one side with a non-fluorine containing polymer and retain similar comfort and feel of uncoated fabrics. The coated sides of the plies face each other in the interior of the barrier fabric and can move freely thereagainst. One of the plies can be rotated relative to the other such that the warp (or machine) direction of one of the plies is situated perpendicular (90°) to the warp (or machine) direction of the other ply to provide a crisscross type configuration. This 90-degree orientation improves the overall tear strength of the barrier fabric allowing the product to withstand up to 50+ industrial wash / dry / autoclave cycles. The useful life of the product can be extended while simultaneously allowing for optimized lower fabric weight to improve comfort.

A meltblown material formed from bicomponent fibers that can withstand the effects of a gamma irradiation sterilization process without negatively impacting bacterial filtration, particulate filtration, and / or breathability of personal protective equipment products formed from the meltblown material (e.g., facemasks, surgical gowns, surgical caps, etc.) is provided. The bicomponent fibers include a polyester-based sheath and a polyolefin- based core. Further, both the sheath and core include specific antioxidants and charge enhancer packages that allow for the effective electret treatment of the resulting meltblown material prior to sterilization, where the filtration efficiency and pressure differential of the material are still adequate post-sterilization.

The invention relates to the technical field of computer vision and intelligent safety monitoring, in particular to a construction personnel PPE wearing compliance detection system based on computer vision, which comprises a personnel detection tracking module, a PPE area positioning module, a wearing state identification module and a dynamic compliance judgment module, wherein the personnel detecting and tracking module is used for detecting and continuously tracking each construction personnel in a picture; the PPE area positioning module is used for positioning a corresponding PPE part area and outputting PPE area coordinate information with an identity (ID); the wearing state recognition module is used for recognizing and outputting a PPE wearing state result of a person corresponding to each identity ID; and the dynamic compliance judgment module is used for comprehensively judging whether the corresponding personnel are in compliance continuously and outputting a final individual compliance detection result. According to the invention, the high-precision intelligent detection of the PPE wearing compliance on the construction site is realized through the combination of continuous personnel tracking, precise PPE part positioning and time sequence compliance judgment.

An elevator shaft access and safety system for managing the safe access of each worker to an elevator shaft provides: a Worker Vital Signs Tag (WVST) that can be attached to worker-wearable personal protective equipment (PPE) for measuring the worker's vital signs; an Access and Occupancy Microcontroller (AOM) for controlling the elevator gate and detecting elevator shaft occupancy; a Distributed Authentication Controller (DAC) for WVST authentication; and a Centralized Management Platform (CMP) for managing the system. When a worker requests access to the elevator shaft, the AOM opens the elevator gate after the WVST detects that the worker is properly wearing PPE via vital sign measurement and after the DAC determines that the worker is authorized to access the elevator shaft. This ensures that the worker is authorized to access the elevator shaft and is properly protected before entering.

The invention belongs to the technical field of personal protection air filtering materials, and discloses a paper-based air filtering material for loading a nano functional substance by using gel as well as a preparation method and application of the paper-based air filtering material. According to the material, natural polymer hydrogel is used as a carrier, metal oxide nanoparticles and a metal organic framework compound are loaded at the same time, and efficient compounding with a paper-based material is achieved. The metal oxide is ZnO nanoparticles, the MOFs is ZIF-8, and the natural polymer is carboxymethyl cellulose. The preparation method comprises the following steps: respectively preparing ZIF-8 / carboxymethyl cellulose composite gel particles and ZnO / carboxymethyl cellulose composite gel particles, then mixing the ZIF-8 / carboxymethyl cellulose composite gel particles and ZnO / carboxymethyl cellulose composite gel particles with paper pulp, carrying out papermaking forming, and carrying out freeze drying to obtain the composite paper. Functional substances are effectively prevented from being lost through the gel carrier, uniform distribution and stable combination of the functional substances in the paper base are promoted, and the high PM2.5 filtering paper has high PM2.5 filtering efficiency, excellent antibacterial performance and good biological safety and is suitable for degradable personal protection articles.

This invention discloses a safe construction passage for offshore beam joints, belonging to the field of marine engineering technology. It includes a transverse support frame located at the top of the beam, with a first vertical rod fixedly connected to the support frame. A bottom horizontal rod is fixedly connected to the first vertical rod, and a second vertical rod is connected to the bottom horizontal rod. A telescopic ramp abuts above the bottom horizontal rod, and the ramp is located between adjacent pile caps, thus forming a construction passage between them. A drive motor is installed inside the ramp, controlling its extension and retraction. The drive motor is electrically connected to a wind turbine generator, a controller, and a battery. The battery stores the electrical energy generated by the wind turbine generator and transmits it to the controller and drive motor. This invention effectively solves the drawbacks of traditional safety measures relying on personal protective equipment, significantly improves construction efficiency and safety, ensures the continuity and safety of construction in complex marine environments, greatly reduces construction risks, and improves construction efficiency.

The invention provides a degradable life jacket composite fabric with a self-repairing function, the composite fabric is a multi-layer structure system, and a high-strength degradable structure substrate layer, a self-repairing functional layer and an environment barrier and weather-proof surface layer are sequentially laminated from inside to outside. Through an innovative multi-layer composite structure design, a high-strength degradable fiber technology, a microcapsule self-repairing technology and a programmed biodegradation technology are organically integrated in a unified material system. Necessary macroscopic physical strength is provided for the life jacket, the life jacket is endowed with intelligent repairing capacity for coping with microscopic damage, meanwhile, the problem of environmental compatibility of materials is fundamentally solved, an important technical breakthrough in the field of personal protective equipment materials is represented, and remarkable industrial application value and profound social and environmental benefits are achieved.