7084results about "Layered products" patented technology

An example pickleball paddle may include a handle and a head coupled to the handle. The head portion includes a first plate extending in a first plane, a second plate extending in a second plane parallel to the first plane and a honeycomb arrangement of unit cells between the first plate and the second plate. Each of the unit cells has a centerline extending non-perpendicular to the first plane and the second plane.

The present teachings generally include game paddles such as pickleball paddles. For example, a pickleball paddle disclosed herein may include a first surface, a second surface, and a core disposed therebetween, where the core defines a plurality of gaps that can accommodate one or more fillers, e.g., to provide vibration dampening and / or to otherwise affect performance, comfort, and enjoyment. In an example aspect, a gap is disposed on each side of the paddle near a throat portion thereof, where a first filler is inserted therein. The first filler may be viewable within such gaps—e.g., where an edge guard includes a window for viewing the first filler. A paddle according to the present teachings may have a frame (e.g., a frame that accommodates one or more gaps) or it may be frameless. In some aspects, a frame may also or instead include a filler disposed therein and / or adjacent thereto.

This application relates to an EPP material and a folding mat using this EPP material, which relates to the field of EPP material technology. The EPP material is formed into a plate by welding EPP particles, and the surface of the plate is coated with a hydrophobic antibacterial paint. The raw materials for preparing the EPP particles include 80-100 parts by weight of polypropylene resin, 1-3 parts by weight of a nucleating agent, 6-8 parts by weight of a modified graphene composite material, 5-10 parts by weight of a flame retardant, 5-15 parts by weight of a reinforcing agent, and 0.5-1.5 parts by weight of a surfactant. The raw materials for preparing the modified graphene composite material include hydrophobic modified graphene oxide, hydrophobic antibacterial nano-zinc oxide, and a modified ammonium polyphosphate coupling agent. The folding mat using this EPP material includes an EPP material, a surface layer, and a sewing thread, and the surface layer and the EPP material are fixedly connected by the sewing thread. This application has the effect of improving the flame retardancy, waterproofness, and antibacterial properties of EPP material, and the resulting tatami mat is environmentally friendly, comfortable, and has a good user experience.

Web material structuring belts that impart structure to a web material during a web material structuring operation and / or structured web material forming operation, method for making same and methods for using same to make structured web materials, for example structured fibrous structures, such as structured sanitary tissue products such as structured toilet tissue, structured paper towels and structured facial tissue are provided.

The present teachings generally include sound dampening devices, systems, kits, and methods for pickleball and the like. In an aspect, a pickleball paddle includes one or more layers having sound dampening properties. In another aspect, a paddle accessory featuring one or more sound dampening materials may be engaged with a pickleball paddle to enable quieter play using the paddle. In yet another aspect, a ball for pickleball play includes one or more layers having sound dampening properties. And, in another aspect, an accessory featuring one or more sound dampening materials may be engaged with a ball to enable quieter play using the ball.

A pickleball paddle comprising: a handle; a ball striking blade formed integrally with the handle; the handle and the blade being formed from a core layer sandwiched between outer layers to form a unitary body; core layer comprising a thickness which is substantially greater than thickness of the outer layers, wherein each of said outer layer comprises one or more layers of composite material yarns that are pre- impregnated with epoxy with at least an outermost layer of said composite material yarn comprising embedded grit particles that are embedded into said outermost layer of the composite material yarns.

To provide: a solid polymer electrolyte membrane for alkaline water electrolysis excellent in omnidirectional large pressure resistance generated on a diaphragm partitioning an anode chamber and a cathode chamber of a water electrolysis apparatus and having a gas blocking property stably suppressing mixing of an oxygen gas and a hydrogen gas; and an alkaline water electrolysis apparatus.SOLUTION: There is provided a solid polymer electrolyte membrane which contains a nonwoven fabric comprising a fluorine-containing polymer having an ion exchange group and a polymer having a hydrogen permeability coefficient within a predetermined range, in which the weight of the fluorine-containing polymer per unit area of the solid polymer electrolyte membrane is within a predetermined range.SELECTED DRAWING: Figure 1

A product includes a filament mesh member, a trim cover, and a hook and loop fastening system. The filament mesh member comprises a set of filaments of thermoplastic material, wherein each member of the set of filaments is bonded to at least one other member of the set of filaments. The trim cover is disposed over the filament mesh member. The hook and loop fastening system comprises a loop portion and a hook portion. One of the loop portion and the hook portion is attached to the filament mesh member. The other of the loop portion and the hook portion is attached to the trim cover. The loop portion and the hook portion cooperate to secure the trim cover to the filament mesh member.

The present teachings generally include sound dampening devices, systems, kits, and methods for pickleball and the like. In an aspect, a pickleball paddle includes one or more layers having sound dampening properties. In another aspect, a paddle accessory featuring one or more sound dampening materials may be engaged with a pickleball paddle to enable quieter play using the paddle. In yet another aspect, a ball for pickleball play includes one or more layers having sound dampening properties. And, in another aspect, an accessory featuring one or more sound dampening materials may be engaged with a ball to enable quieter play using the ball.

The present teachings generally include game paddles such as pickleball paddles. For example, a pickleball paddle disclosed herein may include a first surface, a second surface, and a core disposed therebetween, where the core defines a plurality of gaps that can accommodate one or more fillers, e.g., to provide vibration dampening and / or to otherwise affect performance, comfort, and enjoyment. In some aspects, a frame may also or instead include a filler disposed therein and / or adjacent thereto.

The present teachings generally include game paddles such as pickleball paddles. For example, a pickleball paddle disclosed herein may include a first surface, a second surface, a core disposed between the first surface and the second surface, and gaps disposed outside of a perimeter of the core—e.g., a first gap disposed on a first side of the paddle substantially adjacent to a throat portion thereof, and a second gap disposed on a second side of the paddle substantially adjacent to the throat portion thereof. A first filler may be disposed within each of the first gap and the second gap. The paddle may further include a third gap bounding the core around at least part of a head portion of the paddle, where a second filer is disposed therein. A paddle according to the present teachings may have a frame or it may be frameless.

The invention discloses an OCA (Optical Clear Adhesive) solution for a folding screen protective film, the OCA solution comprises an optical raw adhesive, a curing agent and a first solvent, the raw adhesive is prepared from the following raw materials in parts by mass: 270-283 parts of 2-ethylhexyl acrylate, 50-62 parts of butyl acrylate, 318-330 parts of methyl acrylate, 40-55 parts of acrylic acid, 1-2 parts of gamma-acryloyloxypropyltrimethoxysilane, 2.1-2.3 parts of an initiator and 1250-1350 parts of a second solvent; the second solvent comprises methylbenzene and ethyl acetate. According to the OCA optical glue solution for the folding screen protection film, raw glue is prepared from the isooctyl acrylate, the butyl acrylate, the methyl acrylate, the acrylic acid, the gamma-acryloyloxy propyl trimethoxy silane and the initiator in a toluene and ethyl acetate compounded solvent system, and an OCA glue layer with excellent stripping force, light transmittance, holding power and bending resistance is obtained after curing; and the cost of the raw materials is optimized, and the method is more economical.

The invention relates to the technical field of food packaging, and discloses a composite preservative film as well as a preparation method and application thereof. The composite preservative film comprises a pectin film layer and a chitosan film layer which are arranged up and down, the pectin film layer contains an additive, the chitosan film layer contains lignin, and the additive is anthocyanin and / or an anthocyanin silver ion compound. The method comprises the following steps that S1, under the condition that a solvent exists, pectin and an additive are mixed I, then a pectin film layer is prepared through a tape casting method, and the additive is anthocyanin and / or an anthocyanin silver ion compound; in the presence of a solvent, chitosan and lignin are mixed II, and a chitosan film layer is prepared through a tape casting method; and S2, compounding the pectin film layer and the chitosan film layer to prepare the composite preservative film. The composite preservative film has antibacterial activity on various food spoilage bacteria and is high in oxidation resistance.

The present teachings generally include game paddles such as pickleball paddles. For example, a pickleball paddle disclosed herein may include a first surface, a second surface, and a core disposed therebetween, where the core defines a plurality of gaps that can accommodate one or more fillers, e.g., to provide vibration dampening and / or to otherwise affect performance, comfort, and enjoyment. In an example aspect, a gap is disposed on each side of the paddle near a throat portion thereof, where a first filler is inserted therein. The first filler may be viewable within such gaps—e.g., where an edge guard includes a window for viewing the first filler. A paddle according to the present teachings may have a frame (e.g., a frame that accommodates one or more gaps) or it may be frameless. In some aspects, a frame may also or instead include a filler disposed therein and / or adjacent thereto.

A seat cushion includes a mesh member embedded into a foam member. The mesh member comprises a set of filaments of polymeric material which are looped and bonded to each other. The mesh increases rigidity, cut resistance, tear resistance, and abrasion resistance of the foam member, eliminating the need for scrim and border wire in some applications.

A display device including a display panel including a folding area and a non-folding area adjacent along a first direction, a support layer facing the display panel with a barrier layer therebetween, openings defined in the support layer and corresponding to the folding area, a cushion layer facing the display panel with the support layer therebetween, and a barrier adhesive layer between the barrier layer and the support layer, the barrier adhesive layer including a first barrier portion and a second barrier portion spaced apart from each other along the first direction with the plurality of openings of the support layer therebetween.

Provided is a method for inspecting a light-transmissive laminate, said method being capable of detecting foreign substances that are very small as compared with the prior art. This method for inspecting a light-transmissive laminate detects 8-50 m-sized defects in a light-transmissive laminate by performing a transmission inspection in a state in which the light-transmissive laminate is fixed in the air one by one. For example, the defect detection includes the steps of: creating an XY coordinate graph of a defect by aligning a focal point of an optical system having a predetermined magnification with a surface of a first main surface of a light-transmissive laminate and scanning the light-transmissive laminate with the optical system; a step for creating an XY coordinate map of the other defect by shifting the focal point of the optical system inward in the thickness direction from the surface of the first main surface of the light-transmissive laminate by a predetermined distance and scanning the light-transmissive laminate with the optical system; and integrating the created XY coordinate maps of the defects.

Provided is a transparent conductive polyester film for a foldable display which is free of occurrence of a fold mark or a tear at a folding portion thereof to be used in a foldable display excellent in mass productivity, and free of a risk of causing distortion in an image displayed at a folding portion thereof, and a mobile device. The transparent conductive polyester film for a foldable display includes: a polyester film; and a transparent conductive layer laminated on at least one surface of the polyester film, wherein the polyester film satisfies the following conditions: (1) a refractive index in a bending direction is from 1.590 to 1.620; (2) a refractive index in a folding portion direction is from 1.670 to 1.700; (3) a refractive index in a thickness direction is 1.520 or less; and (4) a density is 1.380 g / cm3 or more, wherein the bending direction refers to a direction orthogonal to a folding portion of the polyester film at a time when the polyester film is folded.

The invention discloses film laminating equipment, which comprises an unwinding mechanism, a film laminating mechanism, a film laminating mechanism and a film laminating mechanism, the gluing mechanism is used for uniformly coating glue on the surface of the spread iron plate of the iron roll in a roller coating or spray coating or blade coating mode; the heating box is arranged at an outlet of the gluing mechanism, and the iron plate directly enters the heating box after being glued; and the film covering mechanism is arranged at the outlet end of the heating box and is provided with an unwinding group, a film tearing group, a buffer roller group, a preheating pressing group, a cooling group and a winding group. The film laminating mechanism is tightly arranged at the outlet end of the heating box, rapid bearing of the iron plate is achieved through the buffer roller set, the iron plate conveying distance is greatly shortened, the iron plate enters the film laminating mechanism, the viscosity of an adhesive layer on the iron plate is activated through waste heat, power consumption of a preheating pressing set of the film laminating machine is reduced, and the preheating time is shortened; the gluing force of the iron plate and the colored film is improved, the production cost is greatly reduced, and efficient and energy-saving production is achieved.

Disclosed are lagging materials for use on a driven cylindrical pulley or drum for an industrial machine. A lagging material can comprise a seaming element along the cross-machine direction (CD) of each of the opposing ends of the lagging material for forming a seam for seaming opposing ends of a lagging material when brought together. A lagging material can also comprise coatings that increase the Coefficient of Friction of a lagging material when the lagging material is installed onto the drum such that no additional adhesive is required to keep the lagging on the drum circumference when in operation. Also described is an apparatus for installing an on machine seamable lagging including at least two opposed elongate members, such that when the elongate members are drawn together, the lagging material is stretched into a seamable position to be installed on the drum.

A display device including a display panel including a folding area and a non-folding area adjacent along a first direction, a support layer facing the display panel with a barrier layer therebetween, openings defined in the support layer and corresponding to the folding area, a cushion layer facing the display panel with the support layer therebetween, and a barrier adhesive layer between the barrier layer and the support layer, the barrier adhesive layer including a first barrier portion and a second barrier portion spaced apart from each other along the first direction with the plurality of openings of the support layer therebetween.

The present invention belongs to the technical field of functional composite fibers, and discloses a wear-resistant nanofiber-reinforced and protected graphene fiber, a preparation method thereof and an application. The wear-resistant nanofiber-reinforced and protected graphene fiber comprises a graphene fiber bundle and nanofibers. The nanofibers coat the graphene fiber bundle in the form of a three-dimensional porous network to form a stress buffer layer; wear-resistant particles are uniformly loaded inside the three-dimensional porous network. The preparation method is as follows: fixing the surface-pretreated graphene fiber on an electrospinning nanofiber yarn machine, forming a nanofiber membrane by electrospinning and uniformly wrapping it on the surface-pretreated graphene fiber, then winding it into a roll, and then performing a hot roll treatment on the wound fiber bundle to obtain the wear-resistant nanofiber-reinforced and protected graphene fiber. The application is: used for weaving to obtain a graphene fiber fabric. The fiber prepared by the present invention and the fabric woven therefrom have excellent mechanical properties, wear resistance, electrical conductivity and thermal conductivity at the same time.

Web material structuring belts that impart structure to a web material during a web material structuring operation and / or structured web material forming operation, method for making same and methods for using same to make structured web materials, for example structured fibrous structures, such as structured sanitary tissue products such as structured toilet tissue, structured paper towels and structured facial tissue are provided.

The present invention relates to a cushioning material. An object of the present invention is to provide a cushioning material that is difficult to deform and has high durability. The cushioning material (1) is characterized by including a first cushioning body (2) and a second cushioning body (3) disposed above the first cushioning body (2) and covering at least the upper surface of the first cushioning body (2). The first cushioning body (2) includes a three-dimensional network structure obtained by irregularly locally fusing continuous lines of a thermoplastic resin to form loops, and the second cushioning body (3) is composed of a longitudinal non-woven fabric in which fibers are oriented in the thickness direction.

A silicon carbide seed is provided, including a first seed layer and a second seed layer. The first seed layer includes a polycrystalline silicon carbide material. The second seed layer is directly attached to the first seed layer, where the second seed layer includes a single crystal silicon carbide material, and a thickness ratio (T2 / T1) of a thickness T1 of the first seed layer to a thickness T2 of the second seed layer is in a range of 10% to 50%.

The invention relates to the technical field of composite material damage repair, in particular to a method for repairing a composite material laminated plate with a fiber guiding characteristic. The repairing method comprises the following steps of pneumatic grinding, patch preparation, surface treatment, cleaning, adhesive film cutting, pasting, adhesive film curing, finishing and the like. According to the method, the adaptive patch is prepared by pneumatically polishing the rectangular cut hole of the stepped surface, the adhesive film is used for curing in the middle, and the adhesive layer is combined with the matched patch, so that a fiber-guided repairing structure is realized; under the condition that the structure repairing strength is guaranteed, the area for removing healthy mother board materials is reduced to the maximum extent, the probability of local stress concentration of a repairing bonding face is reduced, the machining difficulty is lowered, and the universality of repairing design application is improved. And by setting different step lengths, the stress load of the cementing repair surface is more uniform instead of being excessively concentrated on the 0-degree laying layer, so that the repair setting is more reasonable, and the service life of the repaired structure is prolonged.

A dry drug delivery system comprising a middle layer encased in two outer layers, the middle layer and the two outer layers each comprising a mixture of electrospun fibers. Also disclosed is a water-dissolvable dry device containing a physical mixture of a first fiber and a second fiber in which the first fiber and the second fiber are configured to react with each other and with a biological tissue upon hydration, and the device transforms into a hydrogel upon contact with the biological tissue. Further provided is a method for delivering a bioactive substance to a soft tissue using the system or device.

A detachable carpet mat, where raised monofilaments and fleeces are bent through a high temperature to form a hooking-connecting effect with a first water-repellent anti-slip layer placed below the monofilaments and the fleeces, resulting in better bonding capacity, greater friction force and better firmness. Melted and solidified through the high temperature, the monofilaments and fibers of a hooking layer are not prone to falling off; the monofilaments of the hooking layer have a certain curvature and surfaces of small bumps of piles are passivated so as to prevent users from accidentally hurting their hands, and at the same time, enhance the locking effect with the first water-repellent anti-slip layer below.

A material having radar absorbing properties comprises a matrix material enclosing an amount of fiber. The fiber is coated by graphene and / or graphene oxide. Also disclosed is a laminated material, a sheet material, A 3D structure, a vehicle, a tubular structure, a use of a material, as well as a method of forming at least part of a product having radar absorbing properties.