Abstract: Embodiments provide for improved determination of whether an audio protector is sufficiently fit to a wearer. By automatically performing the improved fit testing processes described, embodiments may warn users in circumstances where fit of their audio protector is dissatisfactory. Some embodiments include receiving external audio data and internal audio data including a filtered range of frequencies, generating comparative internal data by applying the internal audio data to an inverse attenuation model, identifying an audio processing mode based at least in part on the external audio data and/or the internal audio data, the audio processing mode associated with an audio comparison model, computing energy differential data by applying the comparative internal data and the external audio data to the audio comparison model; and determining a fit result based at least in part on the energy differential data.

Abstract: A preparation method of a glove having a soft coating with high wear resistance and high anti-slip performance is provided, including: physically spraying a bio-based organic polymer material on a surface of a glove core coated with an impregnation latex, conducting pre-vulcanization and high-temperature vulcanization successively, washing with an alkali liquor, an acid liquor, and water successively, and oven-drying to obtain the glove having the soft coating with high wear resistance and high anti-slip performance. The present disclosure has the following advantages: The preparation method is simple and reliable, and can greatly increase anti-slip performance and wear resistance of a coating while providing a delicate sand surface effect for the coating. The glove of the present disclosure has excellent anti-slip performance, durability, and comfortability in oily environments and dry environments.

Abstract: A button assembly for a telescopic hot stick is provided. The button assembly comprises a button housing, a button, and a fastener. The button housing defines a cavity and at least one groove, and the cavity has a bottom cavity surface. The button is disposed in the cavity and the button has a first end and a second end. The second end is configured to face the bottom cavity surface. The fastener is disposed within the at least one groove, and the fastener is positioned adjacent the second end of the button. The fastener is spaced apart from the second end to collectively define a gap between the second end and the fastener.

Abstract: The invention relates to a complex proximity safety and warning system. The invention provides a safety system comprising a generator that generates a magnetic field that establishes a boundary, where the generator is capable of receiving radio frequency signals. Also provided is a radio frequency device that sends radio frequency signals, the radio frequency device being capable of sensing the magnetic field and generating a radio frequency response.

Abstract: A device for preventing access to an area of an aircraft includes a first vertical frame post designed for attachment to a structure of the aircraft, a second vertical frame post designed for attachment to a structure of the aircraft, a barrier element displaceably connected to the first frame post and including a latching element for detachable connection of the barrier element to the second frame post, and a delay unit including a spring-loaded damping cylinder displaceable into a damping position by a locking movement in opposition to a spring force. The delay unit is designed to release the latching element after a time delay.

Abstract: The present invention relates to the technical field of fiber production and provides a method for preparing a polyolefin fiber and a product and use. The preparation method comprises the following specific steps: S1. mixing a silane coupling agent, a dispersant and an organic solvent to obtain a treatment solution; S2. uniformly dispersing the treatment solution on a fully dried ceramic fiber and high-speed stirring, wherein the ceramic fiber is a mixture of nanoscale alumina, microscale alumina, nanoscale silica and microscale silica; and S3. high-speed premixing a polyolefin powder and the treated ceramic fiber to obtain an anti-cutting functional masterbatch, and then melt spinning the same to obtain the polyolefin fiber.

Abstract: A rooftop perimeter safety system is a barrier system that may include a plurality of supports configured to be secured to a roof top. Each support may include one or more brackets secured to an upright member. The bracket includes at least one cable retainer configured to support a cable therein to form a cable barrier and at least one rail retainer configured to support a rail therein to form a rail barrier. The rooftop perimeter safety system may include at least one cable to form the cable barrier, at least one rail to form the rail barrier, or both the at least one cable and the at least one rail, depending on the application.

Abstract: Disclosed is a silicone dipped glove, comprising a glove core and a dipping layer. The dipping layer is a silicone mixed compound layer, and the silicone mixed compound layer is composed of the following components at the following proportions by weight: 70-90% of silicone, 5-20% of a curing agent, 5-20% of a diluent, and 0-10% of a color paste. The silicone mixed compound layer of the present invention is composed of silicone, a curing agent and a diluent.

Abstract: The present application discloses anti-impact gloves, which include a glove body and an anti-impact protective layer arranged on the back of the glove body. The anti-impact protective layer includes a finger protection layer, which includes a thumb protective layer and a plurality of universal finger protective layers; an anisotropic flex slit is arranged on the first dactylus of the thumb protective layer near the first knuckle, and a flex cut structure is provided at the metacarpophalangeal joint. A plurality of full flex cuts are positioned at the fingertip part of each universal finger protective layer; the hand back protective layer includes a plurality of vertical protection blocks and a plurality of long strip-shaped flex slits arranged alternately; the bottom layer is fixed on the back of the glove body.

Abstract: A textile-based electrode system includes a first fabric layer having an inner and an outer surface. The inner surface includes a knitted electrode configured to be placed in contact with the skin of a user. A second fabric layer is disposed and configured to contact the outer surface of the first fabric layer. The second fabric layer includes a knitted conductive pathway configured to be electrically coupled to the knitted electrode. Furthermore, a third fabric layer is configured and disposed to contact the second fabric layer. A connector is disposed on the third fabric layer and is configured to be electrically coupled to the knitted conductive pathway. The second fabric layer can be folded about a first fold axis and the third fabric layer can be folded about a second fold axis to place the second fabric layer in contact with the first fabric layer and the third fabric layer.

Abstract: Embodiments described herein relate generally to devices, systems and methods for optimizing and masking compression in a biosensing garment. The biosensing garment has a first fabric portion configured to be disposed about a circumferential region of a user, the first fabric portion having an inner surface including electrode sensor assembly configured to be placed in contact with the skin of the user, the first fabric portion having a first compression rating; and a second fabric portion extending from the first fabric portion, the second fabric portion having a second compression rating less than the first compression rating.

Abstract: The invention relates to a complex proximity safety and warning system. The invention provides a safety system comprising a generator that generates a magnetic field that establishes a boundary, where the generator is capable of receiving radio frequency signals. Also provided is a radio frequency device that sends radio frequency signals, the radio frequency device being capable of sensing the magnetic field and generating a radio frequency response.

Abstract: A fire protective glove includes a palm portion and a back portion. The palm portion includes a polymer impregnated layer constructed of aramid fibers, leather, or a combination thereof; and a palm moisture barrier layer that is interior to the polymer impregnated layer, the palm moisture barrier layer being constructed of polyurethane, polytetrafluroethylene, aramid fibers, or a combination thereof. The back portion includes a first back protective layer constructed of aramid fibers, leather, or a combination thereof; and a second back protective layer that is interior to the first back protective layer, the second back protective layer being constructed of aramid fibers, modacrylic, or a combination thereof.

Abstract: A leg restraint includes a buckle portion in the form of a buckle frame attached to a strap portion. The strap portion includes a section of a loop fabric of a hook-and-loop fastener and a section of a hook fabric of the hook-and-loop fastener. The buckle portion is pliable and resilient and configured to accept the strap within the loop of the buckle frame. The strap is configured to be fed through the buckle frame and looped back on itself to allow the loop portion of the strap to contact the hook portion of the strap, thereby fastening the two strap portions together through the engagement of the hook-and-loop fastener. The strap may have the hook and loop fabric exposed on both faces of the strap such that the strap may be looped back in either direction for fastening.

Abstract: A reduced-impact-and-recoil headrest that includes a ratchet mechanism, allowing components to incrementally translate with respect to each other. The reduced-impact-and-recoil headrest includes an exterior housing surface that is deformable, providing cushioning for a vehicle occupant's head. The headrest also includes an interior compartment within the housing, with the ratchet mechanism disposed within the interior compartment. The headrest is configured to decrease the force of a collision experienced by the occupant, thereby decreasing the likelihood and severity of traumatic brain injuries resulting from the occupant's head striking a stationary headrest. Instead, the reduced-impact-and-recoil headrest is configured to incrementally move with the occupant's head, providing an incremental cushion for the occupant's head.

Abstract: A device for preventing access to an area of an aircraft includes a first vertical frame post designed for attachment to a structure of the aircraft, a second vertical frame post designed for attachment to a structure of the aircraft, a barrier element displaceably connected to the first frame post and including a latching element for detachable connection of the barrier element to the second frame post, and a delay unit including a spring-loaded damping cylinder displaceable into a damping position by a locking movement in opposition to a spring force. The delay unit is designed to release the latching element after a time delay.

Abstract: A ligature-resistant bag hanger for supporting an intravenous (IV) bag prevents formation of ligatures over an IV pole and on the bag support hooks. Internal components of the ligature-resistant IV bag hanger are enclosed in a housing. The internal components of the ligature-resistant bag hanger include one or more bag support hooks that have an extension portion extending from an interior of the housing and that are rotatable around an axle located within the housing. In a reset position, the bag support hook(s) support(s) an intravenous bag in a saddle portion of the hook up to a threshold weight limit. In a triggered position, initiated by a downward force in excess of the threshold weight limit rotating the hook downward, the hook rotates so that an attempted ligature formed above the saddle portion of the hook is released by retraction of the saddle portion of the within the housing.

Abstract: The invention relates to a complex proximity safety and warning system. The invention provides a safety system comprising a generator that generates a magnetic field that establishes a boundary, where the generator is capable of receiving radio frequency signals. Also provided is a radio frequency device that sends radio frequency signals, the radio frequency device being capable of sensing the magnetic field and generating a radio frequency response.

Abstract: An anti-cutting rubber-coated yarn includes a yarn body and a mixed rubber layer coated on the yarn body. A plurality of tiny pits is distributed on a surface of the yarn body, and the mixed rubber layer is attached in the tiny pits and is coated on an outside of the yarn body. According to the present invention, numerous tiny pits are made by etching on the surface of the existing yarn body, and simultaneously, molecular bonds on the surface of the yarn body are broken. In a dipping process, molecular bonding occurs between the rubber and the yarn body while the tiny pits are filled with the rubber and the tiny hard particles, thereby further enhancing adsorption fastness of the mixed rubber layer.